package com.sap.piper

import org.junit.Before
import org.junit.Rule
import org.junit.Test
import org.junit.rules.ExpectedException
import org.junit.rules.RuleChain
import util.BasePiperTest
import util.JenkinsShellCallRule
import util.Rules

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

class GitUtilsTest extends BasePiperTest {

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

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

    @Before
    void init() throws Exception {
        jscr.setReturnValue('git rev-parse HEAD', 'testCommitId')
    }

    @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())
    }

}