sap-jenkins-library/test/groovy/com/sap/piper/GitUtilsTest.groovy

package com.sap.piper

import com.lesfurets.jenkins.unit.BasePipelineTest
import org.junit.Before
import org.junit.Rule
import org.junit.Test
import org.junit.rules.ExpectedException
import org.junit.rules.RuleChain
import util.JenkinsShellCallRule
import util.MockHelper
import util.Rules

import static org.junit.Assert.assertEquals
import static org.junit.Assert.assertNull

class GitUtilsTest extends BasePipelineTest {

    JenkinsShellCallRule jscr = new JenkinsShellCallRule(this)
    ExpectedException thrown = ExpectedException.none()

    @Rule
    public RuleChain ruleChain = Rules.getCommonRules(this).around(jscr).around(thrown)

    GitUtils gitUtils

    @Before
    void init() throws Exception {
        gitUtils = new GitUtils()
        prepareObjectInterceptors(gitUtils)

        jscr.setReturnValue('git rev-parse HEAD', 'testCommitId')
    }

    void prepareObjectInterceptors(object) {
        object.metaClass.invokeMethod = helper.getMethodInterceptor()
        object.metaClass.static.invokeMethod = helper.getMethodInterceptor()
        object.metaClass.methodMissing = helper.getMethodMissingInterceptor()
    }

    @Test
    void testGetGitCommitId() {
        jscr.setReturnValue('git rev-parse --is-inside-work-tree 1>/dev/null 2>&1', 0)
        assertEquals('testCommitId', gitUtils.getGitCommitIdOrNull())
    }

    @Test
    void testGetGitCommitIdNotAGitRepo() {
        jscr.setReturnValue('git rev-parse --is-inside-work-tree 1>/dev/null 2>&1', 128)
        assertNull(gitUtils.getGitCommitIdOrNull())
    }

}