Switch from Travis to Github Actions (#254)

* Switch from Travis to Github Actions

* Update CompatHelper

* Disable XGBoost tests on 32bit systems

* Update README.md

.github/workflows/CI.yml

@@ -0,0 +1,59 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+
+jobs:
+  test:
+    runs-on: ${{ matrix.os }}
+    continue-on-error: ${{ matrix.version == 'nightly' }}
+    strategy:
+      matrix:
+        version:
+          - '1.0'
+          - '1'
+          - nightly
+        os:
+          - ubuntu-latest
+          - macOS-latest
+          - windows-latest
+        arch:
+          - x86
+          - x64
+        exclude:
+          - os: windows-latest
+            arch: x86
+          - os: macOS-latest
+            arch: x86
+    steps:
+      - uses: actions/checkout@v2
+      - uses: julia-actions/setup-julia@v1
+        with:
+          version: ${{ matrix.version }}
+          arch: ${{ matrix.arch }}
+      - uses: actions/cache@v1
+        env:
+          cache-name: cache-artifacts
+        with:
+          path: ~/.julia/artifacts
+          key: ${{ runner.os }}-test-${{ env.cache-name }}-${{ hashFiles('**/Project.toml') }}
+          restore-keys: |
+            ${{ runner.os }}-test-${{ env.cache-name }}-
+            ${{ runner.os }}-test-
+            ${{ runner.os }}-
+      - uses: julia-actions/julia-buildpkg@latest
+      - uses: julia-actions/julia-runtest@latest
+      - uses: julia-actions/julia-processcoverage@v1
+        if: matrix.version == '1' && matrix.os == 'ubuntu-latest' && matrix.num_threads == 1
+      - uses: codecov/codecov-action@v1
+        if: matrix.version == '1' && matrix.os == 'ubuntu-latest' && matrix.num_threads == 1
+        with:
+          file: lcov.info
+      - uses: coverallsapp/github-action@master
+        if: matrix.version == '1' && matrix.os == 'ubuntu-latest' && matrix.num_threads == 1
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          path-to-lcov: lcov.info

.github/workflows/CompatHelper.yml

@@ -1,9 +1,8 @@
 name: CompatHelper
-
 on:
   schedule:
     - cron: '00 00 * * *'
-
+  workflow_dispatch:
 jobs:
   CompatHelper:
     runs-on: ubuntu-latest
@@ -13,4 +12,5 @@ jobs:
       - name: CompatHelper.main()
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          COMPATHELPER_PRIV: ${{ secrets.COMPATHELPER_PRIV }}
         run: julia -e 'using CompatHelper; CompatHelper.main()'

README.md

@@ -1,5 +1,7 @@
 # MCMCChains.jl
-[![Build Status](https://travis-ci.org/TuringLang/MCMCChains.jl.svg?branch=master)](https://travis-ci.org/TuringLang/MCMCChains.jl)
+
+![CI](https://github.com/TuringLang/MCMCChains.jl/workflows/CI/badge.svg?branch=master)
+[![codecov](https://codecov.io/gh/TuringLang/MCMCChains.jl/branch/master/graph/badge.svg?token=TFxRFbKONS)](https://codecov.io/gh/TuringLang/MCMCChains.jl)
 [![Coverage Status](https://coveralls.io/repos/github/TuringLang/MCMCChains.jl/badge.svg?branch=master)](https://coveralls.io/github/TuringLang/MCMCChains.jl?branch=master)
 
 Implementation of Julia types for summarizing MCMC simulations and utility functions for diagnostics and visualizations.

test/runtests.jl

@@ -7,7 +7,8 @@ Random.seed!(0)
 
 @testset "MCMCChains" begin
     # MLJXGBoostInterface requires Julia >= 1.3
-    if VERSION >= v"1.3"
+    # XGBoost errors on 32bit systems: https://github.com/dmlc/XGBoost.jl/issues/92
+    if VERSION >= v"1.3" && Sys.WORD_SIZE == 64
         # run tests related to rstar statistic
         println("Rstar")
         Pkg.add("MLJModels")