Jack Chester Solutions

spec/wordcounter_spec.rb

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+require 'rspec'
+require_relative '../wordcounter'
+
+describe '#countWords' do
+  let(:counter) { Counter.new }
+
+  context 'when string is unique' do
+    it 'returns proper array' do
+      expect(counter.countWords("maverick goose iceman")).to eq(
+        [["maverick", 1],
+         ["goose", 1],
+         ["iceman", 1]])
+    end
+  end
+
+  context 'when string is nonunique' do
+    it 'returns proper array' do
+      expect(counter.countWords("maverick maverick goose maverick iceman goose")).to eq(
+        [["maverick", 3],
+         ["goose", 2],
+         ["iceman", 1]])
+    end
+  end
+
+  context 'when string is nonunique, puntuated, with capitalization' do
+    it 'returns proper array' do
+      expect(counter.countWords("GOOSE! Maverick Goose goose, Iceman (icEman)")).to eq(
+        [["goose", 3],
+         ["iceman", 2],
+         ["maverick", 1]])
+    end
+  end
+end
+
+describe '#printCount' do 
+  let(:counter) { Counter.new }
+
+  context 'when reading in file' do
+    it 'does not raise an error' do 
+      expect{counter.printCount("./speech.txt")}.not_to raise_error
+    end
+  end
+end

wordcounter.rb

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+class Counter
+
+	def countWords(text)
+	  text = text.downcase.gsub(/[^a-z' ]/, '') #make lowercase and only keep allowed characters
+    raw_words = text.split(" ")
+    count = {}
+
+    raw_words.each do |word|
+      if !count.key? word
+        count[word] = 1
+      else
+        count[word] += 1
+      end
+    end
+
+    count.sort_by{ |k, v| -v}
+	end
+
+  def printCount(path)
+    text = File.open(path) { |line| line.read } #concatenates every line into one string
+    countWords(text).each do |word, count|
+      puts "#{word} - #{count}"
+    end
+  end
+end