Remove puts from task & improve specs

Author: paulgoetze

1_Introduction/3_Assigning_data/solution.rb

@@ -1,7 +1,3 @@
 variable_types = 3
 language = 'Ruby'
 learned = true
-
-puts variable_types
-puts language
-puts learned

1_Introduction/3_Assigning_data/solution_spec.rb

@@ -1,37 +1,23 @@
 require 'rspec'
 
 describe 'Your code' do
+  [['solution::code']]
 
-  describe do
-    before do
-      allow($stdout).to receive(:puts) {''}
-      allow($stdout).to receive(:p) {''}
-      allow($stdout).to receive(:print) {''}
+  {
+    variable_types: 3,
+    language: 'Ruby',
+    learned: true
+  }.each do |variable, value|
+    it "defines a variable with name \"#{variable}\"" do
+      expect(local_variables.include?(variable)).to be true
     end
 
-    it 'defines a variable "variable_types" with the value 3' do
-      [['solution::code']]
-      expect(!!defined?(variable_types)).to be true
-      expect(variable_types).to eq 3
-    end
-
-    it 'defines a variable "language" with the value \'Ruby\'' do
-      [['solution::code']]
-      expect(!!defined?(language)).to be true
-      expect(language).to eq 'Ruby'
-    end
+    if local_variables.include?(variable)
+      displayed_value = value.is_a?(String) ? "\"#{value}\"" : value
 
-    it 'defines a variable "learned" with the value true' do
-      [['solution::code']]
-      expect(!!defined?(learned)).to be true
-      expect(learned).to eq true
+      it "defines a variable \"#{variable}\" with the value #{displayed_value}" do
+        expect(eval(variable.to_s)).to eq value
+      end
     end
   end
-
-  it 'puts the values of all defined variables to the standard output' do
-    expect($stdout).to receive(:puts).with(3)
-    expect($stdout).to receive(:puts).with('Ruby')
-    expect($stdout).to receive(:puts).with(true)
-    [['solution::code']]
-  end
 end

1_Introduction/3_Assigning_data/task.md

@@ -69,6 +69,4 @@ Set the following variables:
 `  language`        to the string *'Ruby'* and
 `  learned`         to the boolean *true*
 
-and print out each variable's value by using the *puts* method!
-
 ---