Add `RepositoryPush` specs

spec/lib/gitlab/email/message/repository_push_spec.rb

+require 'spec_helper'
+
+describe Gitlab::Email::Message::RepositoryPush do
+  include RepoHelpers
+
+  let!(:group) { create(:group, name: 'my_group') }
+  let!(:project) { create(:project, name: 'my_project', namespace: group) }
+  let!(:author) { create(:author, name: 'Author') }
+
+  let(:message) do
+    described_class.new(Notify, project.id, 'recipient@example.com', opts)
+  end
+
+  context 'new commits have been pushed to repository' do
+    let(:opts) do
+      { author_id: author.id, ref: 'master', action: :push, compare: compare,
+        send_from_committer_email: true }
+    end
+    let(:compare) do
+      Gitlab::Git::Compare.new(project.repository.raw_repository,
+                               sample_image_commit.id, sample_commit.id)
+    end
+
+    describe '#project' do
+      subject { message.project }
+      it { is_expected.to eq project }
+      it { is_expected.to be_an_instance_of Project }
+    end
+
+    describe '#project_namespace' do
+      subject { message.project_namespace }
+      it { is_expected.to eq group }
+      it { is_expected.to be_kind_of Namespace }
+    end
+
+    describe '#project_name_with_namespace' do
+      subject { message.project_name_with_namespace }
+      it { is_expected.to eq 'my_group / my_project' }
+    end
+
+    describe '#author' do
+      subject { message.author }
+      it { is_expected.to eq author }
+      it { is_expected.to be_an_instance_of User }
+    end
+
+    describe '#author_name' do
+      subject { message.author_name }
+      it { is_expected.to eq 'Author' }
+    end
+
+    describe '#commits' do
+      subject { message.commits }
+      it { is_expected.to be_kind_of Array }
+      it { is_expected.to all(be_instance_of Commit) }
+    end
+
+    describe '#diffs' do
+      subject { message.diffs }
+      it { is_expected.to all(be_an_instance_of Gitlab::Git::Diff) }
+    end
+
+    describe '#diffs_count' do
+      subject { message.diffs_count }
+      it { is_expected.to eq compare.diffs.count }
+    end
+
+    describe '#compare' do
+      subject { message.compare }
+      it { is_expected.to be_an_instance_of Gitlab::Git::Compare }
+    end
+
+    describe '#compare_timeout' do
+      subject { message.compare_timeout }
+      it { is_expected.to eq compare.timeout }
+    end
+
+    describe '#reverse_compare?' do
+      subject { message.reverse_compare? }
+      it { is_expected.to eq false }
+    end
+
+    describe '#disable_diffs?' do
+      subject { message.disable_diffs? }
+      it { is_expected.to eq false }
+    end
+
+    describe '#send_from_committer_email?' do
+      subject { message.send_from_committer_email? }
+      it { is_expected.to eq true }
+    end
+
+    describe '#action_name' do
+      subject { message.action_name }
+      it { is_expected.to eq 'pushed to' }
+    end
+
+    describe '#ref_name' do
+      subject { message.ref_name }
+      it { is_expected.to eq 'master' }
+    end
+
+    describe '#ref_type' do
+      subject { message.ref_type }
+      it { is_expected.to eq 'branch' }
+    end
+
+    describe '#target_url' do
+      subject { message.target_url }
+      it { is_expected.to include 'compare' }
+      it { is_expected.to include compare.commits.first.parents.first.id }
+      it { is_expected.to include compare.commits.last.id }
+    end
+
+    describe '#subject' do
+      subject { message.subject }
+      it { is_expected.to include "[Git][#{project.path_with_namespace}]" }
+      it { is_expected.to include "#{compare.commits.length} commits" }
+      it { is_expected.to include compare.commits.first.message.split("\n").first }
+    end
+  end
+end