sap-jenkins-library/test/groovy/com/sap/piper/tools/JavaArchiveDescriptorTest.groovy

package com.sap.piper.tools

import org.junit.BeforeClass
import org.junit.Before
import org.junit.Rule
import org.junit.Test
import org.junit.rules.ExpectedException
import org.junit.rules.RuleChain

import util.JenkinsLoggingRule
import util.Rules

import com.lesfurets.jenkins.unit.BasePipelineTest

import com.sap.piper.tools.ToolDescriptor
import com.sap.piper.tools.JavaArchiveDescriptor

import hudson.AbortException


class JavaArchiveDescriptorTest extends BasePipelineTest {

    private ExpectedException thrown = new ExpectedException()
    private JenkinsLoggingRule jlr = new JenkinsLoggingRule(this)

    @Rule
    public RuleChain rules = Rules.getCommonRules(this)
                .around(thrown)
                .around(jlr)

    private static tool
    private static configuration

    private script


    @BeforeClass
    static void init() {

        def java = new ToolDescriptor('Java', 'JAVA_HOME', '', '/bin/', 'java', '1.8.0', '-version 2>&1')
        tool = new JavaArchiveDescriptor('SAP Multitarget Application Archive Builder', 'MTA_JAR_LOCATION', 'mtaJarLocation', '/', 'mta.jar', '1.0.6', '-v', java, '-jar')
    }

    @Before
    void setup() {

        helper.registerAllowedMethod('sh', [Map], { Map m -> getNoEnvVars(m) })

        script = loadScript('mtaBuild.groovy').mtaBuild

        configuration = [:]
    }

    @Test
    void getToolHomeFromEnvironmentTest() {

        helper.registerAllowedMethod('sh', [Map], { Map m -> getEnvVars(m) })

        def toolHome = tool.getHome(script, configuration)

        assert toolHome == '/env/mta'
        assert jlr.log.contains("$tool.name home '/env/mta' retrieved from environment.")
    }

    @Test
    void getToolHomeFromConfigurationTest() {

        configuration = [mtaJarLocation: '/config/mta']

        def toolHome = tool.getHome(script, configuration)

        assert toolHome == '/config/mta'
        assert jlr.log.contains("$tool.name home '/config/mta' retrieved from configuration.")
    }

    @Test
    void getToolHomeFromCurrentWorkingDirectoryTest() {

        def toolHome = tool.getHome(script, configuration)

        assert toolHome == ''
        assert jlr.log.contains("$tool.name expected on current working directory.")
    }

    @Test
    void getToolTest() {

        configuration = [mtaJarLocation: '/config/mta']

        def toolExecutable = tool.getTool(script, configuration)

        assert toolExecutable == '/config/mta/mta.jar'
    }

    @Test
    void getToolExecutableTest() {

        configuration = [mtaJarLocation: '/config/mta']

        def toolExecutable = tool.getExecutable(script, configuration)

        assert toolExecutable == 'java -jar /config/mta/mta.jar'
        assert jlr.log.contains("Using $tool.name executable 'java -jar /config/mta/mta.jar'.")
    }

    @Test
    void verifyToolHomeTest() {

        helper.registerAllowedMethod('sh', [Map], { Map m -> getEnvVars(m) })

        tool.verifyHome(script, configuration)

        assert jlr.log.contains("Verifying $tool.name home '/env/mta'.")
        assert jlr.log.contains("Verification success. $tool.name home '/env/mta' exists.")
    }

    @Test
    void verifyToolExecutableTest() {

        helper.registerAllowedMethod('sh', [Map], { Map m -> getEnvVars(m) })

        tool.verifyTool(script, configuration)

        assert jlr.log.contains("Verifying $tool.name '/env/mta/mta.jar'.")
        assert jlr.log.contains("Verification success. $tool.name '/env/mta/mta.jar' exists.")
    }

    @Test
    void verifyToolVersionTest() {

        helper.registerAllowedMethod('sh', [Map], { Map m -> getVersion(m) })

        tool.verifyVersion(script, configuration)

        assert jlr.log.contains("Verifying $tool.name version $tool.version or compatible version.")
        assert jlr.log.contains("Verification success. $tool.name version $tool.version is installed.")
    }

    @Test
    void verifyToolVersion_FailedTest() {

        thrown.expect(AbortException)
        thrown.expectMessage("The verification of $tool.name failed. Please check 'java -jar mta.jar'. script returned exit code 127.")

        helper.registerAllowedMethod('sh', [Map], { Map m -> getVersionFailed(m) })

        tool.verifyVersion(script, configuration)
    }

    @Test
    void verifyToolVersion_IncompatibleVersionTest() {

        thrown.expect(AbortException)
        thrown.expectMessage("The installed version of $tool.name is 1.0.5. Please install version $tool.version or a compatible version.")

        helper.registerAllowedMethod('sh', [Map], { Map m -> getIncompatibleVersion(m) })

        tool.verifyVersion(script, configuration)
    }


    private getEnvVars(Map m) {

        if(m.script.contains('JAVA_HOME')) {
            return '/env/java'
        } else if(m.script.contains('MTA_JAR_LOCATION')) {
            return '/env/mta'
        } else {
            return 0
        }
    }

    private getNoEnvVars(Map m) {

        if(m.script.contains('JAVA_HOME')) {
            return ''
        } else if(m.script.contains('MTA_JAR_LOCATION')) {
            return ''
        } else if(m.script.contains('which java')) {
            return '/path/java'
        } else {
            return 0
        }
    }

    private getVersion(Map m) {

        if(m.script.contains('java -version')) {
            return '''openjdk version \"1.8.0_121\"
                    OpenJDK Runtime Environment (build 1.8.0_121-8u121-b13-1~bpo8+1-b13)
                    OpenJDK 64-Bit Server VM (build 25.121-b13, mixed mode)'''
        } else if(m.script.contains('mta.jar -v')) {
            return '1.0.6'
        } else {
            return getNoEnvVars(m)
        }
    }

    private getVersionFailed(Map m) {

        if(m.script.contains('java -version') || m.script.contains('mta.jar -v')) {
            throw new AbortException('script returned exit code 127')
        } else {
            return getNoEnvVars(m)
        }
    }

    private getIncompatibleVersion(Map m) {

        if(m.script.contains('java -version') || m.script.contains('mta.jar -v')) {
            return '1.0.5'
        } else {
            return getNoEnvVars(m)
        }
    }
}