1 files changed, 56 insertions, 0 deletions
diff --git a/spec/migrations/migrate_pipeline_stages_spec.rb b/spec/migrations/migrate_pipeline_stages_spec.rb
new file mode 100644
index 00000000000..c47f2bb8ff9
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+++ b/spec/migrations/migrate_pipeline_stages_spec.rb
@@ -0,0 +1,56 @@
+require 'spec_helper'
+require Rails.root.join('db', 'post_migrate', '20170526185842_migrate_pipeline_stages.rb')
+
+describe MigratePipelineStages, :migration do
+  ##
+  # Create test data - pipeline and CI/CD jobs.
+  #
+
+  let(:jobs) { table(:ci_builds) }
+  let(:stages) { table(:ci_stages) }
+  let(:pipelines) { table(:ci_pipelines) }
+  let(:projects) { table(:projects) }
+
+  before do
+    # Create projects
+    #
+    projects.create!(id: 123, name: 'gitlab1', path: 'gitlab1')
+    projects.create!(id: 456, name: 'gitlab2', path: 'gitlab2')
+
+    # Create CI/CD pipelines
+    #
+    pipelines.create!(id: 1, project_id: 123, ref: 'master', sha: 'adf43c3a')
+    pipelines.create!(id: 2, project_id: 456, ref: 'feature', sha: '21a3deb')
+
+    # Create CI/CD jobs
+    #
+    jobs.create!(id: 1, commit_id: 1, project_id: 123, stage_idx: 2, stage: 'build')
+    jobs.create!(id: 2, commit_id: 1, project_id: 123, stage_idx: 2, stage: 'build')
+    jobs.create!(id: 3, commit_id: 1, project_id: 123, stage_idx: 1, stage: 'test')
+    jobs.create!(id: 4, commit_id: 1, project_id: 123, stage_idx: 1, stage: 'test')
+    jobs.create!(id: 5, commit_id: 1, project_id: 123, stage_idx: 3, stage: 'deploy')
+    jobs.create!(id: 6, commit_id: 2, project_id: 456, stage_idx: 3, stage: 'deploy')
+    jobs.create!(id: 7, commit_id: 2, project_id: 456, stage_idx: 2, stage: 'test:2')
+    jobs.create!(id: 8, commit_id: 2, project_id: 456, stage_idx: 1, stage: 'test:1')
+    jobs.create!(id: 9, commit_id: 2, project_id: 456, stage_idx: 1, stage: 'test:1')
+    jobs.create!(id: 10, commit_id: 2, project_id: 456, stage_idx: 2, stage: 'test:2')
+    jobs.create!(id: 11, commit_id: 3, project_id: 456, stage_idx: 3, stage: 'deploy')
+    jobs.create!(id: 12, commit_id: 2, project_id: 789, stage_idx: 3, stage: 'deploy')
+  end
+
+  it 'correctly migrates pipeline stages' do
+    expect(stages.count).to be_zero
+
+    migrate!
+
+    expect(stages.count).to eq 6
+    expect(stages.all.pluck(:name))
+      .to match_array %w[test build deploy test:1 test:2 deploy]
+    expect(stages.where(pipeline_id: 1).order(:id).pluck(:name))
+      .to eq %w[test build deploy]
+    expect(stages.where(pipeline_id: 2).order(:id).pluck(:name))
+      .to eq %w[test:1 test:2 deploy]
+    expect(stages.where(pipeline_id: 3).count).to be_zero
+    expect(stages.where(project_id: 789).count).to be_zero
+  end
+end