Add tests to verify sorting algorithm #244

spec/unit/generator/generator_tags_spec.rb

@@ -1,3 +1,18 @@
+def tag_mash_with_name(tag)
+  mash_tag = Hashie::Mash.new
+  mash_tag.name = tag
+  mash_tag
+end
+
+def tags_mash_from_strings(tags_strings)
+  mash_array = []
+  tags_strings.each do |tag|
+    mash_tag = tag_mash_with_name(tag)
+    mash_array << mash_tag
+  end
+  mash_array
+end
+
 describe GitHubChangelogGenerator::Generator do
   describe "#filter_between_tags" do
     context "when between_tags nil" do
@@ -46,16 +61,6 @@ describe GitHubChangelogGenerator::Generator do
     end
   end
 
-  def tags_mash_from_strings(tags_strings)
-    mash_array = []
-    tags_strings.each do |tag|
-      mash_tag = Hashie::Mash.new
-      mash_tag.name = tag
-      mash_array << mash_tag
-    end
-    mash_array
-  end
-
   describe "#get_filtered_tags" do
     subject do
       generator.get_filtered_tags(tags_mash_from_strings(%w(1 2 3 4 5)))
@@ -76,19 +81,71 @@ describe GitHubChangelogGenerator::Generator do
       it { is_expected.to be_a Array }
       it { is_expected.to match_array(tags_mash_from_strings(%w(1 2))) }
     end
+
+    context "with invalid excluded tags" do
+      let(:generator) { GitHubChangelogGenerator::Generator.new(exclude_tags: %w(invalid tags)) }
+      it { is_expected.to be_a Array }
+      it { is_expected.to match_array(tags_mash_from_strings(%w(1 2 3))) }
+    end
   end
 
   describe "#get_time_of_tag" do
-    before(:all) do
-      @generator = GitHubChangelogGenerator::Generator.new
-      puts "blah"
+    current_time = Time.now
+    before(:all) { @generator = GitHubChangelogGenerator::Generator.new }
+    context "run with nil parameter" do
+      it "should raise ChangelogGeneratorError" do
+        expect { @generator.get_time_of_tag nil }.to raise_error(GitHubChangelogGenerator::ChangelogGeneratorError)
+      end
     end
-    it "should raise ChangelogGeneratorError" do
-      expect { @generator.get_time_of_tag nil }.to raise_error(GitHubChangelogGenerator::ChangelogGeneratorError)
+    context "fetch already filled tag" do
+      before { @generator.instance_variable_set :@tag_times_hash, "valid_tag" => current_time }
+      subject { @generator.get_time_of_tag tag_mash_with_name("valid_tag") }
+      it { is_expected.to be_a_kind_of(Time) }
+      it { is_expected.to eq(current_time) }
+    end
+    context "fetch not filled tag" do
+      before do
+        mock = double("fake fetcher")
+        allow(mock).to receive_messages(fetch_date_of_tag: current_time)
+        @generator.instance_variable_set :@fetcher, mock
+      end
+      subject do
+        of_tag = @generator.get_time_of_tag tag_mash_with_name("valid_tag")
+        of_tag
+      end
+      it { is_expected.to be_a_kind_of(Time) }
+      it { is_expected.to eq(current_time) }
     end
   end
 
   describe "#sort_tags_by_date" do
-    subject { generator.sort_tags_by_date }
+    time1 = Time.now
+    time2 = Time.now
+    time3 = Time.now
+    before(:all) do
+      @generator = GitHubChangelogGenerator::Generator.new
+    end
+    context "sort unsorted tags" do
+      tags = tags_mash_from_strings %w(valid_tag1 valid_tag2 valid_tag3)
+      before do
+        @generator.instance_variable_set :@tag_times_hash, "valid_tag1" => time1, "valid_tag2" => time2, "valid_tag3" => time3
+      end
+      subject do
+        @generator.sort_tags_by_date tags
+      end
+      it { is_expected.to be_a_kind_of(Array) }
+      it { is_expected.to match_array(tags.reverse!) }
+    end
+    context "sort sorted tags" do
+      tags = tags_mash_from_strings %w(valid_tag3 valid_tag2 valid_tag1)
+      before do
+        @generator.instance_variable_set :@tag_times_hash, "valid_tag1" => time1, "valid_tag2" => time2, "valid_tag3" => time3
+      end
+      subject do
+        @generator.sort_tags_by_date tags
+      end
+      it { is_expected.to be_a_kind_of(Array) }
+      it { is_expected.to match_array(tags) }
+    end
   end
 end

spec/unit/parser_spec.rb

@@ -27,9 +27,9 @@ describe GitHubChangelogGenerator::Parser do
     end
   end
   describe ".user_project_from_option" do
-    # context "when option is invalid" do
-    #   it("should exit") { expect { GitHubChangelogGenerator::Parser.user_project_from_option("blah", nil) }.to raise_error(SystemExit) }
-    # end
+    context "when option is invalid" do
+      it("should exit") { expect { GitHubChangelogGenerator::Parser.user_project_from_option("blah", nil) }.to raise_error(SystemExit) }
+    end
 
     context "when option is valid" do
       subject { GitHubChangelogGenerator::Parser.user_project_from_option("skywinder/ActionSheetPicker-3.0", nil) }