From d86c94cc5605fb804eb3c29dafac82002e9567aa Mon Sep 17 00:00:00 2001 From: "Anthony D. Mays" Date: Sun, 22 Sep 2024 21:20:21 -0700 Subject: [PATCH] feat: adding instructional library --- .github/workflows/check_push.yml | 33 +++ .gitignore | 150 +++++++++++ .../.gitattributes | 9 + .../codedifferently-instructional/.gitignore | 5 + .../gradle/libs.versions.toml | 12 + .../gradle/wrapper/gradle-wrapper.jar | Bin 0 -> 43462 bytes .../gradle/wrapper/gradle-wrapper.properties | 7 + .../codedifferently-instructional/gradlew | 249 ++++++++++++++++++ .../codedifferently-instructional/gradlew.bat | 92 +++++++ .../instructional-lib/build.gradle.kts | 65 +++++ .../instructional/quiz/AnswerChoice.java | 29 ++ .../quiz/MultipleChoiceQuizQuestion.java | 63 +++++ .../MultipleYamlPropertySourceFactory.java | 22 ++ .../quiz/QuizAnswerKeyGenerator.java | 66 +++++ .../instructional/quiz/QuizConfig.java | 92 +++++++ .../instructional/quiz/QuizPrinter.java | 47 ++++ .../instructional/quiz/QuizProctor.java | 67 +++++ .../instructional/quiz/QuizPrompter.java | 33 +++ .../instructional/quiz/QuizQuestion.java | 65 +++++ .../quiz/QuizQuestionProvider.java | 12 + .../instructional/quiz/QuizRunner.java | 87 ++++++ .../quiz/MultipleChoiceQuizQuestionTest.java | 34 +++ .../instructional/quiz/QuizConfigTest.java | 73 +++++ .../instructional/quiz/QuizPrinterTest.java | 87 ++++++ .../instructional/quiz/QuizQuestionTest.java | 54 ++++ .../settings.gradle.kts | 14 + 26 files changed, 1467 insertions(+) create mode 100644 .github/workflows/check_push.yml create mode 100644 .gitignore create mode 100644 lib/java/codedifferently-instructional/.gitattributes create mode 100644 lib/java/codedifferently-instructional/.gitignore create mode 100644 lib/java/codedifferently-instructional/gradle/libs.versions.toml create mode 100644 lib/java/codedifferently-instructional/gradle/wrapper/gradle-wrapper.jar create mode 100644 lib/java/codedifferently-instructional/gradle/wrapper/gradle-wrapper.properties create mode 100755 lib/java/codedifferently-instructional/gradlew create mode 100644 lib/java/codedifferently-instructional/gradlew.bat create mode 100644 lib/java/codedifferently-instructional/instructional-lib/build.gradle.kts create mode 100644 lib/java/codedifferently-instructional/instructional-lib/src/main/java/com/codedifferently/instructional/quiz/AnswerChoice.java create mode 100644 lib/java/codedifferently-instructional/instructional-lib/src/main/java/com/codedifferently/instructional/quiz/MultipleChoiceQuizQuestion.java create mode 100644 lib/java/codedifferently-instructional/instructional-lib/src/main/java/com/codedifferently/instructional/quiz/MultipleYamlPropertySourceFactory.java create mode 100644 lib/java/codedifferently-instructional/instructional-lib/src/main/java/com/codedifferently/instructional/quiz/QuizAnswerKeyGenerator.java create mode 100644 lib/java/codedifferently-instructional/instructional-lib/src/main/java/com/codedifferently/instructional/quiz/QuizConfig.java create mode 100644 lib/java/codedifferently-instructional/instructional-lib/src/main/java/com/codedifferently/instructional/quiz/QuizPrinter.java create mode 100644 lib/java/codedifferently-instructional/instructional-lib/src/main/java/com/codedifferently/instructional/quiz/QuizProctor.java create mode 100644 lib/java/codedifferently-instructional/instructional-lib/src/main/java/com/codedifferently/instructional/quiz/QuizPrompter.java create mode 100644 lib/java/codedifferently-instructional/instructional-lib/src/main/java/com/codedifferently/instructional/quiz/QuizQuestion.java create mode 100644 lib/java/codedifferently-instructional/instructional-lib/src/main/java/com/codedifferently/instructional/quiz/QuizQuestionProvider.java create mode 100644 lib/java/codedifferently-instructional/instructional-lib/src/main/java/com/codedifferently/instructional/quiz/QuizRunner.java create mode 100644 lib/java/codedifferently-instructional/instructional-lib/src/test/java/com/codedifferently/instructional/quiz/MultipleChoiceQuizQuestionTest.java create mode 100644 lib/java/codedifferently-instructional/instructional-lib/src/test/java/com/codedifferently/instructional/quiz/QuizConfigTest.java create mode 100644 lib/java/codedifferently-instructional/instructional-lib/src/test/java/com/codedifferently/instructional/quiz/QuizPrinterTest.java create mode 100644 lib/java/codedifferently-instructional/instructional-lib/src/test/java/com/codedifferently/instructional/quiz/QuizQuestionTest.java create mode 100644 lib/java/codedifferently-instructional/settings.gradle.kts diff --git a/.github/workflows/check_push.yml b/.github/workflows/check_push.yml new file mode 100644 index 00000000..4b7c0254 --- /dev/null +++ b/.github/workflows/check_push.yml @@ -0,0 +1,33 @@ +name: Check Push + +on: + push: + branches: [ "main" ] + paths: + - "lib/**" + +jobs: + build: + + runs-on: ubuntu-latest + permissions: + contents: read + + steps: + - uses: actions/checkout@v4 + - name: Set up JDK 17 + uses: actions/setup-java@v4 + with: + java-version: '17' + distribution: 'temurin' + + # Configure Gradle for optimal use in GiHub Actions, including caching of downloaded dependencies. + # See: https://github.com/gradle/actions/blob/main/setup-gradle/README.md + - name: Setup Gradle + uses: gradle/actions/setup-gradle@417ae3ccd767c252f5661f1ace9f835f9654f2b5 # v3.1.0 + + - name: Build Shared Lib with Gradle Wrapper + working-directory: ./lib/java/codedifferently-instructional + run: ./gradlew check + + diff --git a/.gitignore b/.gitignore new file mode 100644 index 00000000..4a015a44 --- /dev/null +++ b/.gitignore @@ -0,0 +1,150 @@ +# Gradle files +.gradle +build/ +bin/ + +# Java project generated assets +.classpath +.project +.settings/ + +# Logs +logs +*.log +npm-debug.log* +yarn-debug.log* +yarn-error.log* +lerna-debug.log* +.pnpm-debug.log* + +# Diagnostic reports (https://nodejs.org/api/report.html) +report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json + +# Runtime data +pids +*.pid +*.seed +*.pid.lock + +# Directory for instrumented libs generated by jscoverage/JSCover +lib-cov + +# Coverage directory used by tools like istanbul +coverage +*.lcov + +# nyc test coverage +.nyc_output + +# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files) +.grunt + +# Bower dependency directory (https://bower.io/) +bower_components + +# node-waf configuration +.lock-wscript + +# Compiled binary addons (https://nodejs.org/api/addons.html) +build/Release + +# Dependency directories +node_modules/ +jspm_packages/ + +# Snowpack dependency directory (https://snowpack.dev/) +web_modules/ + +# TypeScript cache +*.tsbuildinfo + +# Optional npm cache directory +.npm + +# Optional eslint cache +.eslintcache + +# Optional stylelint cache +.stylelintcache + +# Microbundle cache +.rpt2_cache/ +.rts2_cache_cjs/ +.rts2_cache_es/ +.rts2_cache_umd/ + +# Optional REPL history +.node_repl_history + +# Output of 'npm pack' +*.tgz + +# Yarn Integrity file +.yarn-integrity + +# dotenv environment variable files +.env +.env.development.local +.env.test.local +.env.production.local +.env.local + +# parcel-bundler cache (https://parceljs.org/) +.cache +.parcel-cache + +# Next.js build output +.next +out + +# Nuxt.js build / generate output +.nuxt +dist + +# Gatsby files +.cache/ +# Comment in the public line in if your project uses Gatsby and not Next.js +# https://nextjs.org/blog/next-9-1#public-directory-support +# public + +# vuepress build output +.vuepress/dist + +# vuepress v2.x temp and cache directory +.temp +.cache + +# Docusaurus cache and generated files +.docusaurus + +# Serverless directories +.serverless/ + +# FuseBox cache +.fusebox/ + +# DynamoDB Local files +.dynamodb/ + +# TernJS port file +.tern-port + +# Stores VSCode versions used for testing VSCode extensions +.vscode-test + +# yarn v2 +.yarn/cache +.yarn/unplugged +.yarn/build-state.yml +.yarn/install-state.gz +.pnp.* + +.DS_Store + +# Python +*.pyc +*.pyo +*.pyd +__pycache__/ +venv/ +pip-log.txt \ No newline at end of file diff --git a/lib/java/codedifferently-instructional/.gitattributes b/lib/java/codedifferently-instructional/.gitattributes new file mode 100644 index 00000000..097f9f98 --- /dev/null +++ b/lib/java/codedifferently-instructional/.gitattributes @@ -0,0 +1,9 @@ +# +# https://help.github.com/articles/dealing-with-line-endings/ +# +# Linux start script should use lf +/gradlew text eol=lf + +# These are Windows script files and should use crlf +*.bat text eol=crlf + diff --git a/lib/java/codedifferently-instructional/.gitignore b/lib/java/codedifferently-instructional/.gitignore new file mode 100644 index 00000000..1b6985c0 --- /dev/null +++ b/lib/java/codedifferently-instructional/.gitignore @@ -0,0 +1,5 @@ +# Ignore Gradle project-specific cache directory +.gradle + +# Ignore Gradle build output directory +build diff --git a/lib/java/codedifferently-instructional/gradle/libs.versions.toml b/lib/java/codedifferently-instructional/gradle/libs.versions.toml new file mode 100644 index 00000000..a8d77d8d --- /dev/null +++ b/lib/java/codedifferently-instructional/gradle/libs.versions.toml @@ -0,0 +1,12 @@ +# This file was generated by the Gradle 'init' task. +# https://docs.gradle.org/current/userguide/platforms.html#sub::toml-dependencies-format + +[versions] +commons-math3 = "3.6.1" +guava = "32.1.3-jre" +junit-jupiter = "5.10.0" + +[libraries] +commons-math3 = { module = "org.apache.commons:commons-math3", version.ref = "commons-math3" } +guava = { module = "com.google.guava:guava", version.ref = "guava" } +junit-jupiter = { module = "org.junit.jupiter:junit-jupiter", version.ref = "junit-jupiter" } diff --git a/lib/java/codedifferently-instructional/gradle/wrapper/gradle-wrapper.jar b/lib/java/codedifferently-instructional/gradle/wrapper/gradle-wrapper.jar new file mode 100644 index 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b/lib/java/codedifferently-instructional/gradle/wrapper/gradle-wrapper.properties new file mode 100644 index 00000000..a80b22ce --- /dev/null +++ b/lib/java/codedifferently-instructional/gradle/wrapper/gradle-wrapper.properties @@ -0,0 +1,7 @@ +distributionBase=GRADLE_USER_HOME +distributionPath=wrapper/dists +distributionUrl=https\://services.gradle.org/distributions/gradle-8.6-bin.zip +networkTimeout=10000 +validateDistributionUrl=true +zipStoreBase=GRADLE_USER_HOME +zipStorePath=wrapper/dists diff --git a/lib/java/codedifferently-instructional/gradlew b/lib/java/codedifferently-instructional/gradlew new file mode 100755 index 00000000..1aa94a42 --- /dev/null +++ b/lib/java/codedifferently-instructional/gradlew @@ -0,0 +1,249 @@ +#!/bin/sh + +# +# Copyright © 2015-2021 the original authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# https://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# + +############################################################################## +# +# Gradle start up script for POSIX generated by Gradle. +# +# Important for running: +# +# (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is +# noncompliant, but you have some other compliant shell such as ksh or +# bash, then to run this script, type that shell name before the whole +# command line, like: +# +# ksh Gradle +# +# Busybox and similar reduced shells will NOT work, because this script +# requires all of these POSIX shell features: +# * functions; +# * expansions «$var», «${var}», «${var:-default}», «${var+SET}», +# «${var#prefix}», «${var%suffix}», and «$( cmd )»; +# * compound commands having a testable exit status, especially «case»; +# * various built-in commands including «command», «set», and «ulimit». +# +# Important for patching: +# +# (2) This script targets any POSIX shell, so it avoids extensions provided +# by Bash, Ksh, etc; in particular arrays are avoided. +# +# The "traditional" practice of packing multiple parameters into a +# space-separated string is a well documented source of bugs and security +# problems, so this is (mostly) avoided, by progressively accumulating +# options in "$@", and eventually passing that to Java. +# +# Where the inherited environment variables (DEFAULT_JVM_OPTS, JAVA_OPTS, +# and GRADLE_OPTS) rely on word-splitting, this is performed explicitly; +# see the in-line comments for details. +# +# There are tweaks for specific operating systems such as AIX, CygWin, +# Darwin, MinGW, and NonStop. +# +# (3) This script is generated from the Groovy template +# https://github.com/gradle/gradle/blob/HEAD/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt +# within the Gradle project. +# +# You can find Gradle at https://github.com/gradle/gradle/. +# +############################################################################## + +# Attempt to set APP_HOME + +# Resolve links: $0 may be a link +app_path=$0 + +# Need this for daisy-chained symlinks. +while + APP_HOME=${app_path%"${app_path##*/}"} # leaves a trailing /; empty if no leading path + [ -h "$app_path" ] +do + ls=$( ls -ld "$app_path" ) + link=${ls#*' -> '} + case $link in #( + /*) app_path=$link ;; #( + *) app_path=$APP_HOME$link ;; + esac +done + +# This is normally unused +# shellcheck disable=SC2034 +APP_BASE_NAME=${0##*/} +# Discard cd standard output in case $CDPATH is set (https://github.com/gradle/gradle/issues/25036) +APP_HOME=$( cd "${APP_HOME:-./}" > /dev/null && pwd -P ) || exit + +# Use the maximum available, or set MAX_FD != -1 to use that value. +MAX_FD=maximum + +warn () { + echo "$*" +} >&2 + +die () { + echo + echo "$*" + echo + exit 1 +} >&2 + +# OS specific support (must be 'true' or 'false'). +cygwin=false +msys=false +darwin=false +nonstop=false +case "$( uname )" in #( + CYGWIN* ) cygwin=true ;; #( + Darwin* ) darwin=true ;; #( + MSYS* | MINGW* ) msys=true ;; #( + NONSTOP* ) nonstop=true ;; +esac + +CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar + + +# Determine the Java command to use to start the JVM. +if [ -n "$JAVA_HOME" ] ; then + if [ -x "$JAVA_HOME/jre/sh/java" ] ; then + # IBM's JDK on AIX uses strange locations for the executables + JAVACMD=$JAVA_HOME/jre/sh/java + else + JAVACMD=$JAVA_HOME/bin/java + fi + if [ ! -x "$JAVACMD" ] ; then + die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." + fi +else + JAVACMD=java + if ! command -v java >/dev/null 2>&1 + then + die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." + fi +fi + +# Increase the maximum file descriptors if we can. +if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then + case $MAX_FD in #( + max*) + # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked. + # shellcheck disable=SC2039,SC3045 + MAX_FD=$( ulimit -H -n ) || + warn "Could not query maximum file descriptor limit" + esac + case $MAX_FD in #( + '' | soft) :;; #( + *) + # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked. + # shellcheck disable=SC2039,SC3045 + ulimit -n "$MAX_FD" || + warn "Could not set maximum file descriptor limit to $MAX_FD" + esac +fi + +# Collect all arguments for the java command, stacking in reverse order: +# * args from the command line +# * the main class name +# * -classpath +# * -D...appname settings +# * --module-path (only if needed) +# * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables. + +# For Cygwin or MSYS, switch paths to Windows format before running java +if "$cygwin" || "$msys" ; then + APP_HOME=$( cygpath --path --mixed "$APP_HOME" ) + CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" ) + + JAVACMD=$( cygpath --unix "$JAVACMD" ) + + # Now convert the arguments - kludge to limit ourselves to /bin/sh + for arg do + if + case $arg in #( + -*) false ;; # don't mess with options #( + /?*) t=${arg#/} t=/${t%%/*} # looks like a POSIX filepath + [ -e "$t" ] ;; #( + *) false ;; + esac + then + arg=$( cygpath --path --ignore --mixed "$arg" ) + fi + # Roll the args list around exactly as many times as the number of + # args, so each arg winds up back in the position where it started, but + # possibly modified. + # + # NB: a `for` loop captures its iteration list before it begins, so + # changing the positional parameters here affects neither the number of + # iterations, nor the values presented in `arg`. + shift # remove old arg + set -- "$@" "$arg" # push replacement arg + done +fi + + +# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"' + +# Collect all arguments for the java command: +# * DEFAULT_JVM_OPTS, JAVA_OPTS, JAVA_OPTS, and optsEnvironmentVar are not allowed to contain shell fragments, +# and any embedded shellness will be escaped. +# * For example: A user cannot expect ${Hostname} to be expanded, as it is an environment variable and will be +# treated as '${Hostname}' itself on the command line. + +set -- \ + "-Dorg.gradle.appname=$APP_BASE_NAME" \ + -classpath "$CLASSPATH" \ + org.gradle.wrapper.GradleWrapperMain \ + "$@" + +# Stop when "xargs" is not available. +if ! command -v xargs >/dev/null 2>&1 +then + die "xargs is not available" +fi + +# Use "xargs" to parse quoted args. +# +# With -n1 it outputs one arg per line, with the quotes and backslashes removed. +# +# In Bash we could simply go: +# +# readarray ARGS < <( xargs -n1 <<<"$var" ) && +# set -- "${ARGS[@]}" "$@" +# +# but POSIX shell has neither arrays nor command substitution, so instead we +# post-process each arg (as a line of input to sed) to backslash-escape any +# character that might be a shell metacharacter, then use eval to reverse +# that process (while maintaining the separation between arguments), and wrap +# the whole thing up as a single "set" statement. +# +# This will of course break if any of these variables contains a newline or +# an unmatched quote. +# + +eval "set -- $( + printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" | + xargs -n1 | + sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' | + tr '\n' ' ' + )" '"$@"' + +exec "$JAVACMD" "$@" diff --git a/lib/java/codedifferently-instructional/gradlew.bat b/lib/java/codedifferently-instructional/gradlew.bat new file mode 100644 index 00000000..25da30db --- /dev/null +++ b/lib/java/codedifferently-instructional/gradlew.bat @@ -0,0 +1,92 @@ +@rem +@rem Copyright 2015 the original author or authors. +@rem +@rem Licensed under the Apache License, Version 2.0 (the "License"); +@rem you may not use this file except in compliance with the License. +@rem You may obtain a copy of the License at +@rem +@rem https://www.apache.org/licenses/LICENSE-2.0 +@rem +@rem Unless required by applicable law or agreed to in writing, software +@rem distributed under the License is distributed on an "AS IS" BASIS, +@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +@rem See the License for the specific language governing permissions and +@rem limitations under the License. +@rem + +@if "%DEBUG%"=="" @echo off +@rem ########################################################################## +@rem +@rem Gradle startup script for Windows +@rem +@rem ########################################################################## + +@rem Set local scope for the variables with windows NT shell +if "%OS%"=="Windows_NT" setlocal + +set DIRNAME=%~dp0 +if "%DIRNAME%"=="" set DIRNAME=. +@rem This is normally unused +set APP_BASE_NAME=%~n0 +set APP_HOME=%DIRNAME% + +@rem Resolve any "." and ".." in APP_HOME to make it shorter. +for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi + +@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m" + +@rem Find java.exe +if defined JAVA_HOME goto findJavaFromJavaHome + +set JAVA_EXE=java.exe +%JAVA_EXE% -version >NUL 2>&1 +if %ERRORLEVEL% equ 0 goto execute + +echo. 1>&2 +echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 1>&2 +echo. 1>&2 +echo Please set the JAVA_HOME variable in your environment to match the 1>&2 +echo location of your Java installation. 1>&2 + +goto fail + +:findJavaFromJavaHome +set JAVA_HOME=%JAVA_HOME:"=% +set JAVA_EXE=%JAVA_HOME%/bin/java.exe + +if exist "%JAVA_EXE%" goto execute + +echo. 1>&2 +echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 1>&2 +echo. 1>&2 +echo Please set the JAVA_HOME variable in your environment to match the 1>&2 +echo location of your Java installation. 1>&2 + +goto fail + +:execute +@rem Setup the command line + +set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar + + +@rem Execute Gradle +"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %* + +:end +@rem End local scope for the variables with windows NT shell +if %ERRORLEVEL% equ 0 goto mainEnd + +:fail +rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of +rem the _cmd.exe /c_ return code! +set EXIT_CODE=%ERRORLEVEL% +if %EXIT_CODE% equ 0 set EXIT_CODE=1 +if not ""=="%GRADLE_EXIT_CONSOLE%" exit %EXIT_CODE% +exit /b %EXIT_CODE% + +:mainEnd +if "%OS%"=="Windows_NT" endlocal + +:omega diff --git a/lib/java/codedifferently-instructional/instructional-lib/build.gradle.kts b/lib/java/codedifferently-instructional/instructional-lib/build.gradle.kts new file mode 100644 index 00000000..7f259421 --- /dev/null +++ b/lib/java/codedifferently-instructional/instructional-lib/build.gradle.kts @@ -0,0 +1,65 @@ +/* + * This file was generated by the Gradle 'init' task. + * + * This generated file contains a sample Java library project to get you started. + * For more details on building Java & JVM projects, please refer to https://docs.gradle.org/8.6/userguide/building_java_projects.html in the Gradle documentation. + */ + +plugins { + // Apply the java-library plugin for API and implementation separation. + `java-library` + `eclipse` + id("com.diffplug.spotless") version "6.25.0" + id("com.adarshr.test-logger") version "4.0.0" +} + +group = "com.codedifferently.instructional" + +repositories { + // Use Maven Central for resolving dependencies. + mavenCentral() +} + +dependencies { + // Use JUnit Jupiter for testing. + testImplementation("org.junit.jupiter:junit-jupiter:5.9.1") + testImplementation("org.springframework.boot:spring-boot-starter-test:3.2.2") + testImplementation("org.assertj:assertj-core:3.25.1") + + // This dependency is used by the application. + implementation("com.fasterxml.jackson.core:jackson-databind:2.13.0") + implementation("com.fasterxml.jackson.dataformat:jackson-dataformat-yaml:2.13.0") + implementation("com.google.code.gson:gson:2.10.1") + implementation("com.google.guava:guava:31.1-jre") + implementation("commons-cli:commons-cli:1.6.0") + implementation("org.projectlombok:lombok:1.18.30") + implementation("org.springframework.boot:spring-boot-starter:3.2.2") + implementation("at.favre.lib:bcrypt:0.10.2") +} + +tasks.named("test") { + // Use JUnit Platform for unit tests. + useJUnitPlatform() +} + +configure { + + format("misc", { + // define the files to apply `misc` to + target("*.gradle", ".gitattributes", ".gitignore") + + // define the steps to apply to those files + trimTrailingWhitespace() + indentWithTabs() // or spaces. Takes an integer argument if you don't like 4 + endWithNewline() + }) + + java { + // don't need to set target, it is inferred from java + + // apply a specific flavor of google-java-format + googleJavaFormat() + // fix formatting of type annotations + formatAnnotations() + } + } \ No newline at end of file diff --git a/lib/java/codedifferently-instructional/instructional-lib/src/main/java/com/codedifferently/instructional/quiz/AnswerChoice.java b/lib/java/codedifferently-instructional/instructional-lib/src/main/java/com/codedifferently/instructional/quiz/AnswerChoice.java new file mode 100644 index 00000000..d54b1025 --- /dev/null +++ b/lib/java/codedifferently-instructional/instructional-lib/src/main/java/com/codedifferently/instructional/quiz/AnswerChoice.java @@ -0,0 +1,29 @@ +package com.codedifferently.instructional.quiz; + +import java.util.Optional; + +public enum AnswerChoice { + UNANSWERED("UNANSWERED"), + A("A"), + B("B"), + C("C"), + D("D"); + + private String option; + + AnswerChoice(String option) { + this.option = option; + } + + public static Optional valueOrEmpty(String value) { + try { + return Optional.of(AnswerChoice.valueOf(value)); + } catch (IllegalArgumentException e) { + return Optional.empty(); + } + } + + public String toString() { + return option; + } +} diff --git a/lib/java/codedifferently-instructional/instructional-lib/src/main/java/com/codedifferently/instructional/quiz/MultipleChoiceQuizQuestion.java b/lib/java/codedifferently-instructional/instructional-lib/src/main/java/com/codedifferently/instructional/quiz/MultipleChoiceQuizQuestion.java new file mode 100644 index 00000000..eb1feb98 --- /dev/null +++ b/lib/java/codedifferently-instructional/instructional-lib/src/main/java/com/codedifferently/instructional/quiz/MultipleChoiceQuizQuestion.java @@ -0,0 +1,63 @@ +package com.codedifferently.instructional.quiz; + +import java.util.Map; +import java.util.Optional; +import java.util.Scanner; +import java.util.Set; + +public class MultipleChoiceQuizQuestion extends QuizQuestion { + + private Map answersByOption; + + public MultipleChoiceQuizQuestion( + int questionNumber, + String question, + Map answerOptions, + AnswerChoice correctAnswer) { + + super(questionNumber, question, correctAnswer.toString()); + this.answersByOption = answerOptions; + } + + public Set getAnswerChoices() { + return answersByOption.keySet(); + } + + public String getAnswerForOption(AnswerChoice option) { + return answersByOption.get(option); + } + + @Override + public void promptForAnswer(Scanner scanner) { + String response = null; + Optional answer = Optional.empty(); + + do { + // If a response was given but not accepted, announce that. + if (response != null) { + System.out.println("Value not accepted, try again.\n"); + } + + // Get a response. + System.out.print(">> Your answer (or 's' to skip): "); + response = scanner.next().toUpperCase().trim(); + + // If the user wants to skip, let them. + if (response.equals("S")) { + this.setAnswer(null); + return; + } + + // Try to parse the answer. + answer = AnswerChoice.valueOrEmpty(response); + } while (answer.isEmpty() || !answersByOption.containsKey(answer.get())); + + // Set the question answer. + this.setAnswer(answer.get().toString()); + } + + @Override + public void setAnswer(String answer) { + super.setAnswer(answer == null ? answer : answer.toUpperCase()); + } +} diff --git a/lib/java/codedifferently-instructional/instructional-lib/src/main/java/com/codedifferently/instructional/quiz/MultipleYamlPropertySourceFactory.java b/lib/java/codedifferently-instructional/instructional-lib/src/main/java/com/codedifferently/instructional/quiz/MultipleYamlPropertySourceFactory.java new file mode 100644 index 00000000..05b94b73 --- /dev/null +++ b/lib/java/codedifferently-instructional/instructional-lib/src/main/java/com/codedifferently/instructional/quiz/MultipleYamlPropertySourceFactory.java @@ -0,0 +1,22 @@ +package com.codedifferently.instructional.quiz; + +import java.io.IOException; +import java.util.Properties; +import org.springframework.beans.factory.config.YamlPropertiesFactoryBean; +import org.springframework.core.env.PropertiesPropertySource; +import org.springframework.core.env.PropertySource; +import org.springframework.core.io.support.EncodedResource; +import org.springframework.core.io.support.PropertySourceFactory; + +public class MultipleYamlPropertySourceFactory implements PropertySourceFactory { + @Override + public PropertySource createPropertySource(String name, EncodedResource encodedResource) + throws IOException { + YamlPropertiesFactoryBean factory = new YamlPropertiesFactoryBean(); + factory.setResources(encodedResource.getResource()); + + Properties properties = factory.getObject(); + + return new PropertiesPropertySource(encodedResource.getResource().getFilename(), properties); + } +} diff --git a/lib/java/codedifferently-instructional/instructional-lib/src/main/java/com/codedifferently/instructional/quiz/QuizAnswerKeyGenerator.java b/lib/java/codedifferently-instructional/instructional-lib/src/main/java/com/codedifferently/instructional/quiz/QuizAnswerKeyGenerator.java new file mode 100644 index 00000000..1f042000 --- /dev/null +++ b/lib/java/codedifferently-instructional/instructional-lib/src/main/java/com/codedifferently/instructional/quiz/QuizAnswerKeyGenerator.java @@ -0,0 +1,66 @@ +package com.codedifferently.instructional.quiz; + +import at.favre.lib.crypto.bcrypt.BCrypt; +import com.fasterxml.jackson.databind.ObjectMapper; +import com.fasterxml.jackson.dataformat.yaml.YAMLFactory; +import com.fasterxml.jackson.dataformat.yaml.YAMLGenerator.Feature; +import java.io.File; +import java.io.IOException; +import java.util.ArrayList; +import java.util.HashMap; +import java.util.List; +import java.util.Map; + +public class QuizAnswerKeyGenerator { + private final QuizPrompter prompter; + private BCrypt.Hasher hasher = BCrypt.withDefaults(); + private static final int COST_FACTOR = 10; + + public QuizAnswerKeyGenerator(QuizPrompter prompter) { + this.prompter = prompter; + } + + public void setHasher(BCrypt.Hasher hasher) { + this.hasher = hasher; + } + + public void collectAnswers(List questions, File answersFile) throws IOException { + for (QuizQuestion question : questions) { + promptForAnswer(question); + } + var encryptedAnswers = getEncrypedAnswers(questions); + writeAnswersToFile(encryptedAnswers, answersFile); + } + + private void promptForAnswer(QuizQuestion question) { + prompter.promptForAnswer(question, true /* require answer */); + } + + private void writeAnswersToFile(List encryptedAnswers, File answersFile) + throws IOException { + var mapper = createYamlMapper(); + Map propertyMap = getPropertyMap(encryptedAnswers); + mapper.writeValue(answersFile, propertyMap); + } + + private ObjectMapper createYamlMapper() { + return new ObjectMapper( + new YAMLFactory().disable(Feature.WRITE_DOC_START_MARKER).enable(Feature.MINIMIZE_QUOTES)); + } + + private Map getPropertyMap(List encryptedAnswers) { + var answers = new HashMap>(); + answers.put("default", encryptedAnswers); + var quizProps = new HashMap(); + quizProps.put("answers", answers); + var propertyMap = new HashMap(); + propertyMap.put("quiz", quizProps); + return propertyMap; + } + + private List getEncrypedAnswers(List questions) { + return questions.stream() + .map(question -> hasher.hashToString(COST_FACTOR, question.getAnswer().toCharArray())) + .collect(ArrayList::new, ArrayList::add, ArrayList::addAll); + } +} diff --git a/lib/java/codedifferently-instructional/instructional-lib/src/main/java/com/codedifferently/instructional/quiz/QuizConfig.java b/lib/java/codedifferently-instructional/instructional-lib/src/main/java/com/codedifferently/instructional/quiz/QuizConfig.java new file mode 100644 index 00000000..37467a6d --- /dev/null +++ b/lib/java/codedifferently-instructional/instructional-lib/src/main/java/com/codedifferently/instructional/quiz/QuizConfig.java @@ -0,0 +1,92 @@ +package com.codedifferently.instructional.quiz; + +import at.favre.lib.crypto.bcrypt.BCrypt; +import at.favre.lib.crypto.bcrypt.BCrypt.Verifyer; +import java.util.ArrayList; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import java.util.Objects; +import java.util.stream.Collectors; +import org.springframework.boot.context.properties.ConfigurationProperties; +import org.springframework.context.annotation.PropertySource; +import org.springframework.context.annotation.PropertySources; +import org.springframework.stereotype.Component; + +/** Loads quiz answers from the config file and uses bcrypt to check provided answers. */ +@Component +@ConfigurationProperties(prefix = "quiz") +@PropertySources({ + @PropertySource( + value = "classpath:application.yml", + factory = MultipleYamlPropertySourceFactory.class), + @PropertySource( + value = "classpath:quiz-answers.yml", + factory = MultipleYamlPropertySourceFactory.class, + ignoreResourceNotFound = true) +}) +public class QuizConfig { + + private Map> answersByProvider; + private Map> questionsByProvider; + private Verifyer verifyer = BCrypt.verifyer(); + private String quizTaker = ""; + + public void setAnswers(Map> answersByProvider) { + this.answersByProvider = answersByProvider; + } + + public void setQuizTaker(String quizTaker) { + this.quizTaker = quizTaker; + } + + public String getQuizTaker() { + return this.quizTaker; + } + + public void setQuestions(Map> questionsByProvider) { + if (questionsByProvider == null) { + this.questionsByProvider = new HashMap<>(); + return; + } + this.questionsByProvider = + (Map>) + questionsByProvider.entrySet().stream() + .collect( + Collectors.toMap(Map.Entry::getKey, e -> convertToQuizQuestions(e.getValue()))); + } + + private List convertToQuizQuestions(List configs) { + var questions = new ArrayList(); + for (var i = 0; i < configs.size(); ++i) { + QuestionConfig config = configs.get(i); + if (config.choices == null) { + questions.add(new QuizQuestion(i, config.prompt, "")); + } else { + questions.add( + new MultipleChoiceQuizQuestion( + i, config.prompt, config.choices, AnswerChoice.UNANSWERED)); + } + } + return questions; + } + + public List getQuestions(String provider) { + return this.questionsByProvider.get(provider); + } + + public boolean checkAnswer(String provider, int questionNumber, String actualAnswer) { + List answers = answersByProvider.get(provider); + Objects.requireNonNull(answers, "No answers found for provider: " + provider); + return verifyer.verify(actualAnswer.toCharArray(), answers.get(questionNumber)).verified; + } + + public int size(String provider) { + if (!answersByProvider.containsKey(provider)) { + return 0; + } + return answersByProvider.get(provider).size(); + } + + record QuestionConfig(String prompt, Map choices) {} +} diff --git a/lib/java/codedifferently-instructional/instructional-lib/src/main/java/com/codedifferently/instructional/quiz/QuizPrinter.java b/lib/java/codedifferently-instructional/instructional-lib/src/main/java/com/codedifferently/instructional/quiz/QuizPrinter.java new file mode 100644 index 00000000..4fc3d689 --- /dev/null +++ b/lib/java/codedifferently-instructional/instructional-lib/src/main/java/com/codedifferently/instructional/quiz/QuizPrinter.java @@ -0,0 +1,47 @@ +package com.codedifferently.instructional.quiz; + +import javax.annotation.Nonnull; + +public class QuizPrinter { + + public void printQuiz(@Nonnull Iterable quizQuestions) { + System.out.println(); + + for (QuizQuestion question : quizQuestions) { + printQuizQuestion(question); + } + } + + public void printQuizQuestion(QuizQuestion question) { + this.printQuizQuestion(question, true); + } + + public void printQuizQuestion(QuizQuestion question, boolean printAnswer) { + System.out.println( + "Question " + question.getQuestionNumber() + ": " + question.getQuestionPrompt()); + + if (question instanceof MultipleChoiceQuizQuestion) { + printPossibleAnswers((MultipleChoiceQuizQuestion) question); + } + + if (!printAnswer) { + return; + } + + System.out.println(">> Your answer: " + question.getAnswer()); + System.out.println(); + } + + private void printPossibleAnswers(MultipleChoiceQuizQuestion question) { + for (AnswerChoice option : AnswerChoice.values()) { + if (option == AnswerChoice.UNANSWERED) { + continue; + } + var answer = question.getAnswerForOption(option); + if (answer == null) { + continue; + } + System.out.println(option + ": " + question.getAnswerForOption(option)); + } + } +} diff --git a/lib/java/codedifferently-instructional/instructional-lib/src/main/java/com/codedifferently/instructional/quiz/QuizProctor.java b/lib/java/codedifferently-instructional/instructional-lib/src/main/java/com/codedifferently/instructional/quiz/QuizProctor.java new file mode 100644 index 00000000..8b0fcac4 --- /dev/null +++ b/lib/java/codedifferently-instructional/instructional-lib/src/main/java/com/codedifferently/instructional/quiz/QuizProctor.java @@ -0,0 +1,67 @@ +package com.codedifferently.instructional.quiz; + +import com.google.gson.GsonBuilder; +import java.io.File; +import java.io.FileWriter; +import java.io.IOException; +import java.util.Collections; +import java.util.LinkedHashMap; +import java.util.List; +import java.util.Scanner; + +public final class QuizProctor { + + private final QuizConfig quizConfig; + private final Scanner scanner; + + public QuizProctor(QuizConfig config, Scanner scanner) { + this.quizConfig = config; + this.scanner = scanner; + } + + public void proctor(File answersDirctory) { + // Randomize questions and choose first 15 + List questions = quizConfig.getQuestions("default"); + Collections.shuffle(questions); + questions = questions.subList(0, Math.min(questions.size(), 15)); + + // Prompt for answers. + var prompter = new QuizPrompter(scanner); + prompter.promptForAnswers(questions); + + // Generate answers file in resources. + String fileName = promptForFileName(scanner); + saveAnswersToFile(questions, answersDirctory, fileName); + } + + private String promptForFileName(Scanner scanner) { + System.out.println(); + System.out.println("Quiz completed. Please provide a unique name for saving your answers."); + + String response = null; + do { + System.out.print(">> Your answer: "); + response = scanner.next().toLowerCase().replaceAll("\\s+", ""); + } while (response.equals("")); + + return response; + } + + private void saveAnswersToFile( + List questions, File answersDirctory, String filename) { + var values = new LinkedHashMap(); + for (QuizQuestion question : questions) { + values.put(question.getQuestionNumber(), question.getAnswer()); + } + + var file = new File(answersDirctory.getAbsolutePath() + File.separator + filename + ".json"); + file.getParentFile().mkdirs(); + var gson = new GsonBuilder().setPrettyPrinting().create(); + + try (var writer = new FileWriter(file, false)) { + writer.write(gson.toJson(values)); + } catch (IOException e) { + e.printStackTrace(); + } + } +} diff --git a/lib/java/codedifferently-instructional/instructional-lib/src/main/java/com/codedifferently/instructional/quiz/QuizPrompter.java b/lib/java/codedifferently-instructional/instructional-lib/src/main/java/com/codedifferently/instructional/quiz/QuizPrompter.java new file mode 100644 index 00000000..f71f5501 --- /dev/null +++ b/lib/java/codedifferently-instructional/instructional-lib/src/main/java/com/codedifferently/instructional/quiz/QuizPrompter.java @@ -0,0 +1,33 @@ +package com.codedifferently.instructional.quiz; + +import java.util.List; +import java.util.Scanner; + +public class QuizPrompter { + private final Scanner scanner; + private QuizPrinter printer = new QuizPrinter(); + + public QuizPrompter(Scanner scanner) { + this.scanner = scanner; + } + + public void setQuizPrinter(QuizPrinter printer) { + this.printer = printer; + } + + public void promptForAnswers(List questions) { + for (QuizQuestion question : questions) { + promptForAnswer(question); + } + } + + public void promptForAnswer(QuizQuestion question) { + promptForAnswer(question, false); + } + + public void promptForAnswer(QuizQuestion question, boolean requireAnswer) { + printer.printQuizQuestion(question, false); + question.promptForAnswer(scanner, requireAnswer); + System.out.println(); + } +} diff --git a/lib/java/codedifferently-instructional/instructional-lib/src/main/java/com/codedifferently/instructional/quiz/QuizQuestion.java b/lib/java/codedifferently-instructional/instructional-lib/src/main/java/com/codedifferently/instructional/quiz/QuizQuestion.java new file mode 100644 index 00000000..f7e2eba8 --- /dev/null +++ b/lib/java/codedifferently-instructional/instructional-lib/src/main/java/com/codedifferently/instructional/quiz/QuizQuestion.java @@ -0,0 +1,65 @@ +package com.codedifferently.instructional.quiz; + +import java.util.Objects; +import java.util.Scanner; + +public class QuizQuestion { + + private int questionNumber; + + private String question; + + private String correctAnswer; + + public QuizQuestion(int questionNumber, String question, String correctAnswer) { + this.questionNumber = questionNumber; + this.question = question; + this.correctAnswer = correctAnswer; + } + + public int getQuestionNumber() { + return questionNumber; + } + + public String getQuestionPrompt() { + return question; + } + + public String getAnswer() { + return Objects.toString(correctAnswer, ""); + } + + public void setAnswer(String answer) { + this.correctAnswer = answer; + } + + public void promptForAnswer(Scanner scanner) { + promptForAnswer(scanner, false); + } + + public void promptForAnswer(Scanner scanner, boolean requireAnswer) { + String response = null; + + do { + // If a response was given but not accepted, announce that. + if (response != null) { + System.out.println("Value not accepted, try again.\n"); + } + + // Get a response. + String prompt = + ">> Your answer " + (requireAnswer ? "(required)" : "(or 's' to skip)") + ": "; + System.out.print(prompt); + response = scanner.next().trim(); + + // If the user wants to skip, let them. + if (!requireAnswer && response.toUpperCase().equals("S")) { + this.setAnswer(null); + return; + } + } while (response.equals("")); + + // Set the question answer. + this.setAnswer(response); + } +} diff --git a/lib/java/codedifferently-instructional/instructional-lib/src/main/java/com/codedifferently/instructional/quiz/QuizQuestionProvider.java b/lib/java/codedifferently-instructional/instructional-lib/src/main/java/com/codedifferently/instructional/quiz/QuizQuestionProvider.java new file mode 100644 index 00000000..274214ec --- /dev/null +++ b/lib/java/codedifferently-instructional/instructional-lib/src/main/java/com/codedifferently/instructional/quiz/QuizQuestionProvider.java @@ -0,0 +1,12 @@ +package com.codedifferently.instructional.quiz; + +import java.util.List; + +/** Describes an object that provides quiz questions. */ +public interface QuizQuestionProvider { + /** Returns the name of the provider. */ + String getProviderName(); + + /** Produces quiz questions. */ + List makeQuizQuestions(); +} diff --git a/lib/java/codedifferently-instructional/instructional-lib/src/main/java/com/codedifferently/instructional/quiz/QuizRunner.java b/lib/java/codedifferently-instructional/instructional-lib/src/main/java/com/codedifferently/instructional/quiz/QuizRunner.java new file mode 100644 index 00000000..ec436dfc --- /dev/null +++ b/lib/java/codedifferently-instructional/instructional-lib/src/main/java/com/codedifferently/instructional/quiz/QuizRunner.java @@ -0,0 +1,87 @@ +package com.codedifferently.instructional.quiz; + +import java.io.File; +import java.nio.file.Paths; +import java.util.Scanner; +import org.apache.commons.cli.CommandLine; +import org.apache.commons.cli.DefaultParser; +import org.apache.commons.cli.HelpFormatter; +import org.apache.commons.cli.Option; +import org.apache.commons.cli.Options; +import org.apache.commons.cli.ParseException; + +public final class QuizRunner { + + private final Scanner scanner; + private final QuizConfig quizConfig; + + public QuizRunner(QuizConfig quizConfig, Scanner scanner) { + this.quizConfig = quizConfig; + this.scanner = scanner; + } + + public void run(String... args) throws Exception { + if (isJUnitTest()) { + return; + } + System.out.println("\n"); + String mode = getModeFromCommandLine(args); + switch (mode) { + case "proctor": + var proctor = new QuizProctor(quizConfig, scanner); + proctor.proctor(new File(getDataPath())); + break; + case "generator": + var answersFile = new File(getResourcesPath() + File.separator + "quiz-answers.yml"); + var generator = new QuizAnswerKeyGenerator(new QuizPrompter(scanner)); + generator.collectAnswers(quizConfig.getQuestions("default"), answersFile); + break; + default: + throw new AssertionError(); + } + } + + private static boolean isJUnitTest() { + for (StackTraceElement element : Thread.currentThread().getStackTrace()) { + if (element.getClassName().startsWith("org.junit.")) { + return true; + } + } + return false; + } + + private static String getModeFromCommandLine(String[] args) throws IllegalArgumentException { + Options options = new Options(); + options.addOption( + Option.builder("m") + .longOpt("mode") + .hasArg() + .valueSeparator('=') + .desc( + "The quiz runner mode to use. Options are 'proctor' (default), 'generator', and 'grader'.") + .build()); + var parser = new DefaultParser(); + var formatter = new HelpFormatter(); + try { + CommandLine cmd = parser.parse(options, args); + return cmd.getOptionValue("mode", "proctor"); + } catch (ParseException e) { + System.out.println(); + System.out.println(e.getMessage()); + formatter.printHelp("quizrunner", options); + + System.exit(1); + } + return null; + } + + private static String getResourcesPath() { + String[] pathParts = {Paths.get("").toAbsolutePath().toString(), "src", "main", "resources"}; + return String.join(File.separator, pathParts); + } + + public static String getDataPath() { + String[] pathParts = {getResourcesPath(), "data"}; + return String.join(File.separator, pathParts); + } +} diff --git a/lib/java/codedifferently-instructional/instructional-lib/src/test/java/com/codedifferently/instructional/quiz/MultipleChoiceQuizQuestionTest.java b/lib/java/codedifferently-instructional/instructional-lib/src/test/java/com/codedifferently/instructional/quiz/MultipleChoiceQuizQuestionTest.java new file mode 100644 index 00000000..dca259c6 --- /dev/null +++ b/lib/java/codedifferently-instructional/instructional-lib/src/test/java/com/codedifferently/instructional/quiz/MultipleChoiceQuizQuestionTest.java @@ -0,0 +1,34 @@ +package com.codedifferently.instructional.quiz; + +import static org.junit.jupiter.api.Assertions.assertEquals; + +import java.util.HashMap; +import java.util.Map; +import org.junit.jupiter.api.Test; + +class MultipleChoiceQuizQuestionTest { + + @Test + void testGetAnswerForOption() { + // Arrange + int questionNumber = 1; + String question = "What is the capital of France?"; + Map answerOptions = new HashMap<>(); + answerOptions.put(AnswerChoice.A, "Paris"); + answerOptions.put(AnswerChoice.B, "London"); + answerOptions.put(AnswerChoice.C, "Berlin"); + AnswerChoice correctAnswer = AnswerChoice.A; + MultipleChoiceQuizQuestion quizQuestion = + new MultipleChoiceQuizQuestion(questionNumber, question, answerOptions, correctAnswer); + + // Act + String actualAnswerForOptionA = quizQuestion.getAnswerForOption(AnswerChoice.A); + String actualAnswerForOptionB = quizQuestion.getAnswerForOption(AnswerChoice.B); + String actualAnswerForOptionC = quizQuestion.getAnswerForOption(AnswerChoice.C); + + // Assert + assertEquals("Paris", actualAnswerForOptionA); + assertEquals("London", actualAnswerForOptionB); + assertEquals("Berlin", actualAnswerForOptionC); + } +} diff --git a/lib/java/codedifferently-instructional/instructional-lib/src/test/java/com/codedifferently/instructional/quiz/QuizConfigTest.java b/lib/java/codedifferently-instructional/instructional-lib/src/test/java/com/codedifferently/instructional/quiz/QuizConfigTest.java new file mode 100644 index 00000000..4510f182 --- /dev/null +++ b/lib/java/codedifferently-instructional/instructional-lib/src/test/java/com/codedifferently/instructional/quiz/QuizConfigTest.java @@ -0,0 +1,73 @@ +package com.codedifferently.instructional.quiz; + +import static org.junit.jupiter.api.Assertions.*; + +import java.util.Arrays; +import java.util.List; +import java.util.Map; +import org.junit.jupiter.api.BeforeEach; +import org.junit.jupiter.api.Test; +import org.mockito.MockitoAnnotations; + +class QuizConfigTest { + + private QuizConfig quizConfig; + + @BeforeEach + void setUp() { + MockitoAnnotations.openMocks(this); + quizConfig = new QuizConfig(); + } + + @Test + void testCheckAnswerReturnsTrueWhenAnswerIsCorrect() { + // Arrange + int questionNumber = 0; + String actualAnswer = "Paris"; + List answers = + Arrays.asList( + "$2y$10$dLPdcUrNbecoR1cKO07deet0PrK1ZWsGZYZzsNhFDEYBk/YuGLaPa", + "$2a$10$A1B2C3D4E5F6G7H8I9J0K1L2M3N4O5P6Q7R8S9T0U1V2W3X4Y5Z6"); + quizConfig.setAnswers(Map.of("default", answers)); + + // Act + boolean result = quizConfig.checkAnswer("default", questionNumber, actualAnswer); + + // Assert + assertTrue(result); + } + + @Test + void testCheckAnswerReturnsFalseWhenAnswerIsIncorrect() { + // Arrange + int questionNumber = 1; + String actualAnswer = "Mars"; + List answers = + Arrays.asList( + "$2a$10$X5Z0yK4p2z6g7h8i9j0k1l2m3n4o5p6q7r8s9t0u1v2w3x4y5z6", + "$2a$10$A1B2C3D4E5F6G7H8I9J0K1L2M3N4O5P6Q7R8S9T0U1V2W3X4Y5Z6"); + quizConfig.setAnswers(Map.of("set1", answers)); + + // Act + boolean result = quizConfig.checkAnswer("set1", questionNumber, actualAnswer); + + // Assert + assertFalse(result); + } + + @Test + void testSizeReturnsCorrectNumberOfAnswers() { + // Arrange + List answers = + Arrays.asList( + "$2a$10$X5Z0yK4p2z6g7h8i9j0k1l2m3n4o5p6q7r8s9t0u1v2w3x4y5z6", + "$2a$10$A1B2C3D4E5F6G7H8I9J0K1L2M3N4O5P6Q7R8S9T0U1V2W3X4Y5Z6"); + quizConfig.setAnswers(Map.of("default", answers)); + + // Act + int result = quizConfig.size("default"); + + // Assert + assertEquals(2, result); + } +} diff --git a/lib/java/codedifferently-instructional/instructional-lib/src/test/java/com/codedifferently/instructional/quiz/QuizPrinterTest.java b/lib/java/codedifferently-instructional/instructional-lib/src/test/java/com/codedifferently/instructional/quiz/QuizPrinterTest.java new file mode 100644 index 00000000..90c0e9cf --- /dev/null +++ b/lib/java/codedifferently-instructional/instructional-lib/src/test/java/com/codedifferently/instructional/quiz/QuizPrinterTest.java @@ -0,0 +1,87 @@ +package com.codedifferently.instructional.quiz; + +import static org.junit.jupiter.api.Assertions.assertEquals; +import static org.mockito.Mockito.mock; +import static org.mockito.Mockito.when; + +import java.io.ByteArrayOutputStream; +import java.io.PrintStream; +import java.util.Arrays; +import java.util.List; +import org.junit.jupiter.api.BeforeEach; +import org.junit.jupiter.api.Test; +import org.mockito.MockitoAnnotations; + +class QuizPrinterTest { + + private QuizPrinter quizPrinter; + + @BeforeEach + void setUp() { + MockitoAnnotations.openMocks(this); + quizPrinter = new QuizPrinter(); + } + + @Test + void testPrintQuizPrintsQuestionsAndAnswers() { + // Arrange + QuizQuestion question1 = mock(QuizQuestion.class); + when(question1.getQuestionNumber()).thenReturn(1); + when(question1.getQuestionPrompt()).thenReturn("What is the capital of France?"); + when(question1.getAnswer()).thenReturn("Paris"); + + QuizQuestion question2 = mock(QuizQuestion.class); + when(question2.getQuestionNumber()).thenReturn(2); + when(question2.getQuestionPrompt()) + .thenReturn("What is the largest planet in our solar system?"); + when(question2.getAnswer()).thenReturn("Jupiter"); + + List quizQuestions = Arrays.asList(question1, question2); + + ByteArrayOutputStream outputStream = new ByteArrayOutputStream(); + System.setOut(new PrintStream(outputStream)); + + // Act + quizPrinter.printQuiz(quizQuestions); + + // Assert + String expectedOutput = + "\nQuestion 1: What is the capital of France?\n" + + ">> Your answer: Paris\n" + + "\n" + + "Question 2: What is the largest planet in our solar system?\n" + + ">> Your answer: Jupiter\n" + + "\n"; + + assertEquals(expectedOutput, outputStream.toString()); + } + + @Test + void testPrintPossibleAnswersPrintsOptionsForMultipleChoiceQuestion() { + // Arrange + MultipleChoiceQuizQuestion question = mock(MultipleChoiceQuizQuestion.class); + when(question.getQuestionNumber()).thenReturn(1); + when(question.getQuestionPrompt()).thenReturn("What is the capital of France?"); + when(question.getAnswer()).thenReturn("Paris"); + + AnswerChoice[] answerChoices = AnswerChoice.values(); + when(question.getAnswerForOption(answerChoices[0])).thenReturn("Paris"); + when(question.getAnswerForOption(answerChoices[1])).thenReturn("London"); + when(question.getAnswerForOption(answerChoices[2])).thenReturn("Berlin"); + + ByteArrayOutputStream outputStream = new ByteArrayOutputStream(); + System.setOut(new PrintStream(outputStream)); + + // Act + quizPrinter.printQuiz(List.of(question)); + + // Assert + String expectedOutput = + "\nQuestion 1: What is the capital of France?\n" + + "A: London\n" + + "B: Berlin\n" + + ">> Your answer: Paris\n\n"; + + assertEquals(expectedOutput, outputStream.toString()); + } +} diff --git a/lib/java/codedifferently-instructional/instructional-lib/src/test/java/com/codedifferently/instructional/quiz/QuizQuestionTest.java b/lib/java/codedifferently-instructional/instructional-lib/src/test/java/com/codedifferently/instructional/quiz/QuizQuestionTest.java new file mode 100644 index 00000000..765264ae --- /dev/null +++ b/lib/java/codedifferently-instructional/instructional-lib/src/test/java/com/codedifferently/instructional/quiz/QuizQuestionTest.java @@ -0,0 +1,54 @@ +package com.codedifferently.instructional.quiz; + +import static org.junit.jupiter.api.Assertions.assertEquals; + +import org.junit.jupiter.api.Test; + +class QuizQuestionTest { + + @Test + void testGetQuestionNumber() { + // Arrange + int expectedQuestionNumber = 1; + String question = "What is the capital of France?"; + String correctAnswer = "Paris"; + QuizQuestion quizQuestion = new QuizQuestion(expectedQuestionNumber, question, correctAnswer); + + // Act + int actualQuestionNumber = quizQuestion.getQuestionNumber(); + + // Assert + assertEquals(expectedQuestionNumber, actualQuestionNumber); + } + + @Test + void testGetQuestionPrompt() { + // Arrange + int questionNumber = 2; + String expectedQuestionPrompt = "What is the largest planet in our solar system?"; + String correctAnswer = "Jupiter"; + QuizQuestion quizQuestion = + new QuizQuestion(questionNumber, expectedQuestionPrompt, correctAnswer); + + // Act + String actualQuestionPrompt = quizQuestion.getQuestionPrompt(); + + // Assert + assertEquals(expectedQuestionPrompt, actualQuestionPrompt); + } + + @Test + void testGetAnswer() { + // Arrange + int questionNumber = 3; + String question = "Who painted the Mona Lisa?"; + String expectedAnswer = "Leonardo da Vinci"; + QuizQuestion quizQuestion = new QuizQuestion(questionNumber, question, expectedAnswer); + + // Act + String actualAnswer = quizQuestion.getAnswer(); + + // Assert + assertEquals(expectedAnswer, actualAnswer); + } +} diff --git a/lib/java/codedifferently-instructional/settings.gradle.kts b/lib/java/codedifferently-instructional/settings.gradle.kts new file mode 100644 index 00000000..d4894cbb --- /dev/null +++ b/lib/java/codedifferently-instructional/settings.gradle.kts @@ -0,0 +1,14 @@ +/* + * This file was generated by the Gradle 'init' task. + * + * The settings file is used to specify which projects to include in your build. + * For more detailed information on multi-project builds, please refer to https://docs.gradle.org/8.6/userguide/multi_project_builds.html in the Gradle documentation. + */ + +plugins { + // Apply the foojay-resolver plugin to allow automatic download of JDKs + id("org.gradle.toolchains.foojay-resolver-convention") version "0.7.0" +} + +rootProject.name = "codedifferently-instructional" +include("instructional-lib")