On Monday, October 29, 2018 at 10:41:02 AM UTC+1, [email protected]
wrote:
>
> ok.. so is there any other way to create the jacoco.exec file if i am not
> using jacocagent while executing the junit from command line..
Execution of JUnit with coverage is not different from execution of any
other Java application with coverage, so for simplicity I will demonstrate
last one.
Given "src/Example.java":
class Example {
public static void main(String[] args) {
System.out.println("Hello, World!");
}
}
Compile:
$ mkdir classes
$ javac -g src/Example.java -d classes
Then you have two distinct options.
First and recommended - on-the-fly instrumentation with agent:
$ java -cp classes -javaagent:jacoco-0.8.2/lib/jacocoagent.jar Example
Hello, World!
Second - offline pre-instrumentation without agent:
$ java -jar jacoco-0.8.2/lib/jacococli.jar instrument classes --dest
instrumented
[INFO] 1 classes instrumented to /private/tmp/example/instrumented.
$ java -cp instrumented:jacoco-0.8.2/lib/jacocoagent.jar Example
Hello, World!
In both cases by default "jacoco.exec" is created in current directory.
About customizations please read:
https://www.jacoco.org/jacoco/trunk/doc/agent.html
or
https://www.jacoco.org/jacoco/trunk/doc/offline.html
respectively.
Generation of report using CLI:
$ java -jar jacoco-0.8.2/lib/jacococli.jar report jacoco.exec --classfiles
classes --sourcefiles src --html report
[INFO] Loading execution data file /private/tmp/example/jacoco.exec.
[INFO] Analyzing 1 classes.
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