This enables coverage reporting showing lines not covered on each commit<\/p>\n
https:\/\/github.com\/juliangamble\/commit-level-coverage-report<\/a><\/p>\n https:\/\/github.com\/juliangamble\/jacoco-example-project<\/a><\/p>\n [Workplace with a million line codebase and 100s of developers working on it.]<\/p>\n Tech Lead: “We really want to get the coverage up on this codebase – more tests will give us more feedback about the code.”<\/p>\n Developer: “Well that’s lovely, but I really need to ship my feature – I’ll make sure my stuff is covered as best I can.”<\/p>\n Tech Lead: “Ok – how much coverage are you aiming for?”<\/p>\n Developer: “I’ll make sure the lines I touch have coverage.”<\/p>\n Tech Lead: “Ok – how will you measure that?” ….<\/p>\n Now obviously:<\/p>\n (a) this codebase is a candidate for modularisation and<\/p>\n (b) sonar does give you feedback on coverage at a commit level – but sonar doesn’t give you a way to know what the commit-level coverage is prior to pushing your changes. ie – if you’ve missed some coverage on the lines you’ve changed – there isn’t a way to know before pushing.<\/p>\n This change is trying to solve the problem of knowing “for the lines I have touched – what coverage have I got? What lines have I missed?”<\/p>\n Add the following into your\u00a0 Then run this:<\/p>\n What is it? This enables coverage reporting showing lines not covered on each commit Where is it? https:\/\/github.com\/juliangamble\/commit-level-coverage-report Is there an example project? https:\/\/github.com\/juliangamble\/jacoco-example-project Why you would use this [Workplace with a million line codebase and 100s of developers working … Continue reading Is there an example project?<\/h3>\n
Why you would use this<\/h3>\n
<\/a>How to setup and use in your project<\/h3>\n
pom.xml<\/code><\/p>\n<project>\r\n <build>\r\n <plugins>\r\n <plugin>\r\n <groupId>com.github.juliangamble<\/groupId>\r\n <artifactId>commit-level-coverage-report<\/artifactId>\r\n <version>1.0<\/version>\r\n <executions>\r\n <execution>\r\n <id>post-unit-test2<\/id>\r\n <phase>test<\/phase>\r\n <goals>\r\n <goal>report-on-commit-coverage<\/goal>\r\n <\/goals>\r\n <configuration>\r\n <!-- Optional - sets the path to the file which contains the execution data. -->\r\n <!-- <dataFile>${project.build.directory}\/coverage-reports\/jacoco.exec<\/dataFile> -->\r\n <!-- Sets the output directory for the code coverage report. -->\r\n <outputDirectory>${project.reporting.outputDirectory}\/<\/outputDirectory>\r\n <daysBackToCheck>100<\/daysBackToCheck>\r\n <\/configuration>\r\n <\/execution>\r\n <\/executions>\r\n <\/plugin>\r\n <\/plugins>\r\n <\/build>\r\n<\/project>\r\n<\/code><\/pre>\nmvn clean test\r\n<\/code><\/pre>\n<\/a>Example Result<\/h3>\n
----\r\nCommit: caaa32f8c8eff580b4760f60dbf021d6e03935c3 - Sun Jul 16 20:48:50 AEST 2017 - Julian Gamble - [dev] first drop\r\n\r\nsource file name: \/com\/machiavellian\/MyApplication.java\r\nIntersection of line changes with coverage (lines we care about): 4\r\ncovered lines: 3\r\nCoverage for commit: 75%\r\nLines not covered: 1\r\nsrc\/main\/java\/com\/machiavellian\/MyApplication.java:11 return firstArg - secondArg;\r\n\r\n----\r\nCommit: 57bfb7956b501afca5fc101753d6e284d448f4ce - Sun Jul 16 20:53:59 AEST 2017 - Julian Gamble - [dev] adding new method\r\n\r\nIntersection of line changes with coverage (lines we care about): 1\r\ncovered lines: 1\r\nCoverage for commit: 100%\r\nLines not covered: 0\r\n----\r\nCommit: acf35680891d1f853a226035981c1ac18d9f50a2 - Sun Jul 16 20:55:58 AEST 2017 - Julian Gamble - [dev] adding coverage\r\n\r\nIntersection of line changes with coverage (lines we care about): 0\r\ncovered lines: 0\r\nCoverage for commit: 0%\r\nLines not covered: 0\r\n----\r\nCommit: 9c42a1ab1e8db57e31e17837120da6dc257dbb72 - Sun Jul 16 20:56:23 AEST 2017 - Julian Gamble - [dev] adding divide method\r\n\r\nIntersection of line changes with coverage (lines we care about): 1\r\ncovered lines: 0\r\nCoverage for commit: 0%\r\nLines not covered: 1\r\nsrc\/main\/java\/com\/machiavellian\/MyApplication.java:19 return firstArg \/ secondArg;\r\n\r\n----\r\n<\/code><\/pre>\n<\/a>Result File Location<\/h3>\n
target\/site\/coverage-per-commit.txt\r\n<\/code><\/pre>\n<\/h1>\n","protected":false},"excerpt":{"rendered":"