Add test cases for Metadata (#1456)

Author: rambleraptor

Gemfile

@@ -5,3 +5,5 @@ gem "command_line_reporter", '~> 3.0'
 gem "ruby-terminfo", '~> 0.1.1'
 gem "diffy", '~> 3.1'
 gem "hrx", '~> 1.0'
+
+gem 'rspec'

Gemfile.lock

@@ -4,11 +4,25 @@ GEM
     colored (1.2)
     command_line_reporter (3.3.6)
       colored (>= 1.2)
+    diff-lcs (1.3)
     diffy (3.3.0)
     hrx (1.0.0)
       linked-list (~> 0.0.13)
     linked-list (0.0.13)
     minitest (5.11.3)
+    rspec (3.8.0)
+      rspec-core (~> 3.8.0)
+      rspec-expectations (~> 3.8.0)
+      rspec-mocks (~> 3.8.0)
+    rspec-core (3.8.2)
+      rspec-support (~> 3.8.0)
+    rspec-expectations (3.8.4)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.8.0)
+    rspec-mocks (3.8.1)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.8.0)
+    rspec-support (3.8.2)
     ruby-terminfo (0.1.1)
 
 PLATFORMS
@@ -19,7 +33,8 @@ DEPENDENCIES
   diffy (~> 3.1)
   hrx (~> 1.0)
   minitest (~> 5.8)
+  rspec
   ruby-terminfo (~> 0.1.1)
 
 BUNDLED WITH
-   1.16.2
+   2.0.2

README.md

@@ -283,3 +283,11 @@ X. Exit testing.
 Any option can also be applied to all future occurences of that type of failure
 by adding `!` after it. For example, if you want to mark *all* failing specs as
 `:todo` for the current implementation you'd type `I!`.
+
+## Tests
+The unit tests for the spec runner are located in the `tests/` directory. To
+run these unit tests, run:
+
+```sh
+bundle exec rspec tests/
+```

tests/spec_helper.rb

@@ -0,0 +1,3 @@
+# frozen_string_literal: true
+
+require 'rspec'

tests/test_case_metadata_spec.rb

@@ -0,0 +1,50 @@
+# frozen_string_literal: true
+
+require_relative 'spec_helper'
+require 'sass_spec'
+
+def create_options_yaml(folder, dictionary)
+  FileUtils.mkdir_p("tests/fixtures/#{folder}")
+  File.write("tests/fixtures/#{folder}/options.yml", dictionary.to_yaml)
+end
+
+def cleanup(folder)
+  FileUtils.remove_dir("tests/fixtures/#{folder}")
+end
+
+describe SassSpec::TestCaseMetadata do
+  context 'should ignore impl when given ignore_for' do
+    before { create_options_yaml('ignore', ignore_for: ['dart_sass']) }
+    after { cleanup('ignore') }
+    subject { SassSpec::TestCaseMetadata.new(SassSpec::Directory.new('tests/fixtures/ignore')).ignore_for?('dart_sass') }
+    it { is_expected.to be true }
+  end
+
+  context 'should ignore impl when given only_on' do
+    before { create_options_yaml('only_on', only_on: ['dart_sass']) }
+    after { cleanup('only_on') }
+    subject { SassSpec::TestCaseMetadata.new(SassSpec::Directory.new('tests/fixtures/only_on')).ignore_for?('libsass') }
+    it { is_expected.to be true }
+  end
+
+  context 'should have precision' do
+    before { create_options_yaml('precision', precision: 10) }
+    after { cleanup('precision') }
+    subject { SassSpec::TestCaseMetadata.new(SassSpec::Directory.new('tests/fixtures/precision')).precision }
+    it { is_expected.to eq 10 }
+  end
+
+  context 'should have todos for an impl' do
+    before { create_options_yaml('todo', todo: ['sass/libsass#2342']) }
+    after { cleanup('todo') }
+    subject { SassSpec::TestCaseMetadata.new(SassSpec::Directory.new('tests/fixtures/todo')).todo?('libsass') }
+    it { is_expected.to be true }
+  end
+
+  context 'should have warning todos for an impl' do
+    before { create_options_yaml('warning', warning_todo: ['sass/libsass#2342']) }
+    after { cleanup('warning') }
+    subject { SassSpec::TestCaseMetadata.new(SassSpec::Directory.new('tests/fixtures/warning')).warning_todo?('libsass') }
+    it { is_expected.to be true }
+  end
+end