Add CircleCI support!

Author: jhersh

bin/slather

@@ -12,6 +12,7 @@ Clamp do
     parameter "[xcodeproj]", "Path to the xcodeproj", :attribute_name => :xcodeproj_path
 
     option ["--travis", "-t"], :flag, "Indicate that the builds are running on Travis CI"
+    option ["--circleci"], :flag, "Indicate that the builds are running on CircleCI"
 
     option ["--coveralls", "-c"], :flag, "Post coverage results to coveralls"
     option ["--simple-output", "-s"], :flag, "Output coverage results to the terminal"
@@ -57,6 +58,8 @@ Clamp do
     def setup_service_name
       if travis?
         project.ci_service = :travis_ci
+      elsif circleci?
+        project.ci_service = :circleci
       end
     end
 

lib/slather/coverage_service/coveralls.rb

@@ -11,6 +11,28 @@ def travis_job_id
         ENV['TRAVIS_JOB_ID']
       end
       private :travis_job_id
+      
+      def circleci_job_id
+        ENV['CIRCLE_BUILD_NUM']
+      end
+      private :circleci_job_id
+      
+      def circleci_pull_request
+        ENV['CI_PULL_REQUEST']
+      end
+      private :circleci_pull_request
+      
+      def circleci_git_info
+        {
+          :head => {
+            :id => (ENV['CIRCLE_SHA1'] || ""),
+            :author_name => (ENV['CIRCLE_USERNAME'] || ""),
+            :message => (`git log --format=%B -n 1 HEAD`.chomp || "")
+          },
+          :branch => (ENV['CIRCLE_BRANCH'] || "")
+        }
+      end
+      private :circleci_git_info
 
       def coveralls_coverage_data
         if ci_service == :travis_ci || ci_service == :travis_pro
@@ -32,6 +54,24 @@ def coveralls_coverage_data
           else
             raise StandardError, "Environment variable `TRAVIS_JOB_ID` not set. Is this running on a travis build?"
           end
+        elsif ci_service == :circleci
+          if circleci_job_id
+            coveralls_hash = {
+              :service_job_id => circleci_job_id,
+              :service_name => "circleci",
+              :repo_token => ci_access_token,
+              :source_files => coverage_files.map(&:as_json),
+              :git => circleci_git_info
+            }
+            
+            if circleci_pull_request != nil && circleci_pull_request.length > 0
+              coveralls_hash[:service_pull_request] = circleci_pull_request
+            end
+            
+            coveralls_hash.to_json
+          else
+            raise StandardError, "Environment variable `CIRCLE_BUILD_NUM` not set. Is this running on a circleci build?"
+          end
         else
           raise StandardError, "No support for ci named #{ci_service}"
         end

spec/slather/coverage_service/coveralls_spec.rb

@@ -54,6 +54,24 @@
         expect { fixtures_project.send(:coveralls_coverage_data) }.to raise_error(StandardError)
       end
     end
+    
+    context "coverage_service is :circleci" do
+      before(:each) { fixtures_project.ci_service = :circleci }
+    
+      it "should return valid json for coveralls coverage data" do
+        fixtures_project.stub(:circleci_job_id).and_return("9182")
+        fixtures_project.stub(:ci_access_token).and_return("abc123")
+        fixtures_project.stub(:circleci_pull_request).and_return("1")
+        fixtures_project.stub(:circleci_git_info).and_return({ :head => { :id => "ababa123", :author_name => "bwayne", :message => "hello" }, :branch => "master" })
+        expect(fixtures_project.send(:coveralls_coverage_data)).to be_json_eql("{\"service_job_id\":\"9182\",\"service_name\":\"circleci\",\"repo_token\":\"abc123\",\"service_pull_request\":\"1\",\"git\":{\"head\":{\"id\":\"ababa123\",\"author_name\":\"bwayne\",\"message\":\"hello\"},\"branch\":\"master\"}}").excluding("source_files")
+        expect(fixtures_project.send(:coveralls_coverage_data)).to be_json_eql(fixtures_project.send(:coverage_files).map(&:as_json).to_json).at_path("source_files")
+      end
+    
+      it "should raise an error if there is no CIRCLE_BUILD_NUM" do
+        fixtures_project.stub(:circleci_job_id).and_return(nil)
+        expect { fixtures_project.send(:coveralls_coverage_data) }.to raise_error(StandardError)
+      end
+    end
 
     it "should raise an error if it does not recognize the ci_service" do
       fixtures_project.ci_service = :jenkins_ci