From 100e85dda10b38e3ffdcb2e01cb2120c91d799ba Mon Sep 17 00:00:00 2001
From: Mike McQuaid <mike@mikemcquaid.com>
Date: Sat, 13 Oct 2018 17:27:39 -0700
Subject: [PATCH] Generate Cobertura coverage data for Azure Pipelines

These can be used and displayed directly in the Azure Pipelines GUI.

It may not end up replacing CodeCov but it's easy enough so: why not.
---
 Library/Homebrew/test/Gemfile        |  1 +
 Library/Homebrew/test/Gemfile.lock   |  3 +++
 Library/Homebrew/test/spec_helper.rb |  5 +++++
 azure-pipelines.yml                  | 15 +++++++++++++++
 4 files changed, 24 insertions(+)

diff --git a/Library/Homebrew/test/Gemfile b/Library/Homebrew/test/Gemfile
index f19f6b1f18..6ff11dc88d 100644
--- a/Library/Homebrew/test/Gemfile
+++ b/Library/Homebrew/test/Gemfile
@@ -17,4 +17,5 @@ end
 group :coverage do
   gem "codecov", require: false
   gem "simplecov", require: false
+  gem "simplecov-cobertura", require: false
 end
diff --git a/Library/Homebrew/test/Gemfile.lock b/Library/Homebrew/test/Gemfile.lock
index ac8a84030e..ed4e215f91 100644
--- a/Library/Homebrew/test/Gemfile.lock
+++ b/Library/Homebrew/test/Gemfile.lock
@@ -59,6 +59,8 @@ GEM
       docile (~> 1.1)
       json (>= 1.8, < 3)
       simplecov-html (~> 0.10.0)
+    simplecov-cobertura (1.3.0)
+      simplecov (~> 0.8)
     simplecov-html (0.10.2)
     unicode-display_width (1.4.0)
     url (0.3.2)
@@ -77,6 +79,7 @@ DEPENDENCIES
   rubocop (= 0.59.1)
   rubocop-rspec
   simplecov
+  simplecov-cobertura
 
 BUNDLED WITH
    1.16.4
diff --git a/Library/Homebrew/test/spec_helper.rb b/Library/Homebrew/test/spec_helper.rb
index 95be09565c..9d30c1e7db 100644
--- a/Library/Homebrew/test/spec_helper.rb
+++ b/Library/Homebrew/test/spec_helper.rb
@@ -8,6 +8,11 @@ if ENV["HOMEBREW_TESTS_COVERAGE"]
     ENV["CODECOV_TOKEN"] = ENV["HOMEBREW_CODECOV_TOKEN"]
   end
 
+  if ENV["HOMEBREW_AZURE_PIPELINES"]
+    require "simplecov-cobertura"
+    formatters << SimpleCov::Formatter::CoberturaFormatter
+  end
+
   SimpleCov.formatters = SimpleCov::Formatter::MultiFormatter.new(formatters)
 end
 
diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index 4743cd5a40..a812d62dfa 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -22,6 +22,14 @@ jobs:
         testRunner: JUnit
         testResultsFiles: brew-test-bot.xml
 
+    - task: PublishCodeCoverageResults@1
+      displayName: Publish brew tests code coverage
+      inputs:
+        codeCoverageTool: Cobertura
+        summaryFileLocation: $(Build.SourcesDirectory)/coverage/coverage.xml
+        reportDirectory: $(Build.SourcesDirectory)/coverage
+        failIfCoverageEmpty: true
+
 - job: Linux
   pool:
     vmImage: ubuntu-16.04
@@ -31,3 +39,10 @@ jobs:
       displayName: Run brew test-bot
       env:
         HOMEBREW_GITHUB_API_TOKEN: $(github.publicApiToken)
+
+    - task: PublishTestResults@2
+      displayName: Publish test-bot test results
+      condition: succeededOrFailed()
+      inputs:
+        testRunner: JUnit
+        testResultsFiles: brew-test-bot.xml