1 files changed, 177 insertions, 0 deletions
diff --git a/spec/tasks/gettext_rake_spec.rb b/spec/tasks/gettext_rake_spec.rb
new file mode 100644
index 00000000000..a535ac92a75
--- /dev/null
+++ b/spec/tasks/gettext_rake_spec.rb
@@ -0,0 +1,177 @@
+# frozen_string_literal: true
+
+require "rake_helper"
+
+RSpec.describe 'gettext' do
+  let(:locale_path) { Rails.root.join('tmp/gettext_spec') }
+  let(:pot_file_path) { File.join(locale_path, 'gitlab.pot') }
+
+  before do
+    Rake.application.rake_require('tasks/gettext')
+
+    FileUtils.rm_r(locale_path) if Dir.exist?(locale_path)
+    FileUtils.mkdir_p(locale_path)
+
+    allow(Rails.root).to receive(:join).and_call_original
+    allow(Rails.root).to receive(:join).with('locale').and_return(locale_path)
+  end
+
+  after do
+    FileUtils.rm_r(locale_path) if Dir.exist?(locale_path)
+  end
+
+  describe ':compile' do
+    before do
+      allow(Rake::Task).to receive(:[]).and_call_original
+    end
+
+    it 'creates a pot file and invokes the \'gettext:po_to_json\' task' do
+      expect(Rake::Task).to receive(:[]).with('gettext:po_to_json').and_return(double(invoke: true))
+
+      expect { run_rake_task('gettext:compile') }
+        .to change { File.exist?(pot_file_path) }
+        .to be_truthy
+    end
+  end
+
+  describe ':regenerate' do
+    before do
+      # this task takes a *really* long time to complete, so stub it for the spec
+      allow(Rake::Task['gettext:find']).to receive(:invoke) { invoke_find.call }
+    end
+
+    context 'when the locale folder is not found' do
+      let(:invoke_find) { -> { true } }
+
+      before do
+        FileUtils.rm_r(locale_path) if Dir.exist?(locale_path)
+      end
+
+      it 'raises an error' do
+        expect { run_rake_task('gettext:regenerate') }
+          .to raise_error(/Cannot find '#{locale_path}' folder/)
+      end
+    end
+
+    context 'where there are existing /**/gitlab.po files' do
+      let(:locale_nz_path) { File.join(locale_path, 'en_NZ') }
+      let(:po_file_path) { File.join(locale_nz_path, 'gitlab.po') }
+
+      let(:invoke_find) { -> { File.write pot_file_path, 'pot file test updates' } }
+
+      before do
+        FileUtils.mkdir(locale_nz_path)
+        File.write(po_file_path, fixture_file('valid.po'))
+      end
+
+      it 'does not remove that locale' do
+        expect { run_rake_task('gettext:regenerate') }
+          .not_to change { Dir.exist?(locale_nz_path) }
+      end
+    end
+
+    context 'when there are locale folders without a gitlab.po file' do
+      let(:empty_locale_path) { File.join(locale_path, 'en_NZ') }
+
+      let(:invoke_find) { -> { File.write pot_file_path, 'pot file test updates' } }
+
+      before do
+        FileUtils.mkdir(empty_locale_path)
+      end
+
+      it 'removes those folders' do
+        expect { run_rake_task('gettext:regenerate') }
+          .to change { Dir.exist?(empty_locale_path) }
+          .to eq false
+      end
+    end
+
+    context 'when the gitlab.pot file cannot be generated' do
+      let(:invoke_find) { -> { true } }
+
+      it 'prints an error' do
+        expect { run_rake_task('gettext:regenerate') }
+          .to raise_error(/gitlab.pot file not generated/)
+      end
+    end
+
+    context 'when gettext:find changes the revision dates' do
+      let(:invoke_find) { -> { File.write pot_file_path, fixture_file('valid.po') } }
+
+      before do
+        File.write pot_file_path, fixture_file('valid.po')
+      end
+
+      it 'resets the changes' do
+        pot_file = File.read(pot_file_path)
+        expect(pot_file).to include('PO-Revision-Date: 2017-07-13 12:10-0500')
+        expect(pot_file).to include('PO-Creation-Date: 2016-07-13 12:11-0500')
+
+        run_rake_task('gettext:regenerate')
+
+        pot_file = File.read(pot_file_path)
+        expect(pot_file).not_to include('PO-Revision-Date: 2017-07-13 12:10-0500')
+        expect(pot_file).not_to include('PO-Creation-Date: 2016-07-13 12:11-0500')
+      end
+    end
+  end
+
+  describe ':lint' do
+    before do
+      # make sure we test on the fixture files, not the actual gitlab repo as
+      # this takes a long time
+      allow(Rails.root)
+        .to receive(:join)
+        .with('locale/*/gitlab.po')
+        .and_return(File.join(locale_path, '*/gitlab.po'))
+    end
+
+    context 'when all PO files are valid' do
+      before do
+        nz_locale_path = File.join(locale_path, 'en_NZ')
+        FileUtils.mkdir(nz_locale_path)
+
+        po_file_path = File.join(nz_locale_path, 'gitlab.po')
+        File.write(po_file_path, fixture_file('valid.po'))
+        File.write(pot_file_path, fixture_file('valid.po'))
+      end
+
+      it 'completes without error' do
+        expect { run_rake_task('gettext:lint') }
+          .not_to raise_error
+      end
+    end
+
+    context 'when there are invalid PO files' do
+      before do
+        nz_locale_path = File.join(locale_path, 'en_NZ')
+        FileUtils.mkdir(nz_locale_path)
+
+        po_file_path = File.join(nz_locale_path, 'gitlab.po')
+        File.write(po_file_path, fixture_file('invalid.po'))
+        File.write(pot_file_path, fixture_file('valid.po'))
+      end
+
+      it 'raises an error' do
+        expect { run_rake_task('gettext:lint') }
+          .to raise_error(/Not all PO-files are valid/)
+      end
+    end
+
+    context 'when the .pot file is invalid' do
+      before do
+        nz_locale_path = File.join(locale_path, 'en_NZ')
+        FileUtils.mkdir(nz_locale_path)
+
+        po_file_path = File.join(nz_locale_path, 'gitlab.po')
+        File.write(po_file_path, fixture_file('valid.po'))
+        File.write(pot_file_path, fixture_file('invalid.po'))
+      end
+
+      it 'raises an error' do
+        expect { run_rake_task('gettext:lint') }
+          .to raise_error(/Not all PO-files are valid/)
+      end
+    end
+  end
+end