Merge branch 'fix-slack-pipeline-message-by-api' into 'master'

Fix Slack pipeline message by API

Pipelines triggered from API don't have a corresponding
user, so we show that it's from API, same as from the
web UI

Closes #25609

See merge request !8059

1 files changed, 21 insertions, 9 deletions

diff --git a/spec/models/project_services/slack_service/pipeline_message_spec.rb b/spec/models/project_services/slack_service/pipeline_message_spec.rb
index 363138a9454..4098500122f 100644
--- a/spec/models/project_services/slack_service/pipeline_message_spec.rb
+++ b/spec/models/project_services/slack_service/pipeline_message_spec.rb
@@ -2,6 +2,7 @@ require 'spec_helper'
 
 describe SlackService::PipelineMessage do
   subject { SlackService::PipelineMessage.new(args) }
+  let(:user) { { name: 'hacker' } }
 
   let(:args) do
     {
@@ -15,7 +16,7 @@ describe SlackService::PipelineMessage do
       },
       project: { path_with_namespace: 'project_name',
                  web_url: 'example.gitlab.com' },
-      user: { name: 'hacker' }
+      user: user
     }
   end
 
@@ -28,9 +29,7 @@ describe SlackService::PipelineMessage do
     let(:message) { build_message('passed') }
 
     it 'returns a message with information about succeeded build' do
-      expect(subject.pretext).to be_empty
-      expect(subject.fallback).to eq(message)
-      expect(subject.attachments).to eq([text: message, color: color])
+      verify_message
     end
   end
 
@@ -40,16 +39,29 @@ describe SlackService::PipelineMessage do
     let(:duration) { 10 }
 
     it 'returns a message with information about failed build' do
-      expect(subject.pretext).to be_empty
-      expect(subject.fallback).to eq(message)
-      expect(subject.attachments).to eq([text: message, color: color])
+      verify_message
     end
+
+    context 'when triggered by API therefore lacking user' do
+      let(:user) { nil }
+      let(:message) { build_message(status, 'API') }
+
+      it 'returns a message stating it is by API' do
+        verify_message
+      end
+    end
+  end
+
+  def verify_message
+    expect(subject.pretext).to be_empty
+    expect(subject.fallback).to eq(message)
+    expect(subject.attachments).to eq([text: message, color: color])
   end
 
-  def build_message(status_text = status)
+  def build_message(status_text = status, name = user[:name])
     "<example.gitlab.com|project_name>:" \
     " Pipeline <example.gitlab.com/pipelines/123|#123>" \
     " of <example.gitlab.com/commits/develop|develop> branch" \
-    " by hacker #{status_text} in #{duration} #{'second'.pluralize(duration)}"
+    " by #{name} #{status_text} in #{duration} #{'second'.pluralize(duration)}"
   end
 end