Add tests for new example files

Author: Kevin Paulisse

spec/octocatalog-diff/integration/examples_spec.rb

@@ -29,32 +29,104 @@
 end
 
 describe 'examples/api/v1/catalog-builder-local-files.rb' do
-  let(:script) { File.expand_path('../../../examples/api/v1/catalog-builder-local-files.rb', File.dirname(__FILE__)) }
-  let(:ls_l) { Open3.capture2e("ls -l '#{script}'").first }
+  before(:all) do
+    @script = File.expand_path('../../../examples/api/v1/catalog-builder-local-files.rb', File.dirname(__FILE__))
+  end
 
   it 'should exist' do
-    expect(File.file?(script)).to eq(true), ls_l
+    ls_l = Open3.capture2e("ls -l '#{@script}'").first
+    expect(File.file?(@script)).to eq(true), ls_l
   end
 
   context 'executing' do
-    before(:each) do
-      @stdout_obj = StringIO.new
-      @old_stdout = $stdout
-      $stdout = @stdout_obj
+    before(:all) do
+      @stdout, @stderr, @exitcode = Open3.capture3(@script)
     end
 
-    after(:each) do
-      $stdout = @old_stdout
+    it 'should run without error' do
+      expect(@exitcode.exitstatus).to eq(0)
     end
 
-    it 'should compile and run' do
-      load script
-      output = @stdout_obj.string.split("\n")
+    it 'should print the expected output' do
+      output = @stdout.split("\n")
       expect(output).to include('Object returned from OctocatalogDiff::API::V1.catalog is: OctocatalogDiff::API::V1::Catalog')
       expect(output).to include('The catalog is valid.')
       expect(output).to include('The catalog was built using OctocatalogDiff::Catalog::Computed')
       expect(output).to include('- System::User - bob')
       expect(output).to include('The resources are equal!')
     end
+
+    it 'should not output to STDERR' do
+      expect(@stderr).to eq('')
+    end
+  end
+end
+
+describe 'examples/api/v1/catalog-diff-local-files.rb' do
+  before(:all) do
+    @script = File.expand_path('../../../examples/api/v1/catalog-diff-local-files.rb', File.dirname(__FILE__))
+  end
+
+  it 'should exist' do
+    ls_l = Open3.capture2e("ls -l '#{@script}'").first
+    expect(File.file?(@script)).to eq(true), ls_l
+  end
+
+  context 'executing' do
+    before(:all) do
+      @stdout, @stderr, @exitcode = Open3.capture3(@script)
+    end
+
+    it 'should run without error' do
+      expect(@exitcode.exitstatus).to eq(0)
+    end
+
+    it 'should print the expected output' do
+      output = @stdout.split("\n")
+      expect(output).to include('Object returned from OctocatalogDiff::API::V1.catalog_diff is: OpenStruct')
+      expect(output).to include('The keys are: diffs, from, to')
+      expect(output).to include('There are 36 diffs reported here')
+    end
+
+    it 'should not output to STDERR' do
+      expect(@stderr).to eq('')
+    end
+  end
+end
+
+describe 'examples/api/v1/catalog-diff-git-repo.rb' do
+  before(:all) do
+    @script = File.expand_path('../../../examples/api/v1/catalog-diff-git-repo.rb', File.dirname(__FILE__))
+  end
+
+  it 'should exist' do
+    ls_l = Open3.capture2e("ls -l '#{@script}'").first
+    expect(File.file?(@script)).to eq(true), ls_l
+  end
+
+  context 'executing' do
+    before(:all) do
+      @stdout, @stderr, @exitcode = Open3.capture3(@script)
+    end
+
+    it 'should run without error' do
+      expect(@exitcode.exitstatus).to eq(0)
+    end
+
+    it 'should print the expected output' do
+      output = @stdout.split("\n")
+      expect(output).to include('Here is the directory containing the git repository.')
+      expect(@stdout).to match(/DEBUG -- : Compiling catalogs for rspec-node.github.net/)
+      expect(@stdout).to match(/Entering catdiff; catalog sizes: 6, 9/)
+      expect(output).to include('The from-catalog has 6 resources')
+      expect(output).to include('The to-catalog has 9 resources')
+      expect(output).to include('There are 6 differences')
+      expect(output).to include('Added a File resource called /tmp/bar!')
+      expect(output).to include('Changed the File resource /tmp/foo attribute parameters::group')
+    end
+
+    it 'should not output to STDERR' do
+      expect(@stderr).to eq('')
+    end
   end
 end