sap-jenkins-library/integration/integration_mta_build_test.go

// +build integration
// can be execute with go test -tags=integration ./integration/...

package main

import (
	"context"
	"io/ioutil"
	"os"
	"path/filepath"
	"testing"

	"github.com/stretchr/testify/assert"
	"github.com/testcontainers/testcontainers-go"
)

func TestMavenProject(t *testing.T) {
	t.Parallel()
	ctx := context.Background()

	pwd, err := os.Getwd()
	if err != nil {
		t.Fatalf("Getting current working directory failed: %v", err)
	}
	pwd = filepath.Dir(pwd)

	// using custom createTmpDir function to avoid issues with symlinks on Docker for Mac
	tempDir, err := createTmpDir("")
	defer os.RemoveAll(tempDir) // clean up

	if err != nil {
		t.Fatalf("Error when creating temp dir: %v", err)
	}

	err = copyDir(filepath.Join(pwd, "integration", "testdata", "TestMtaIntegration", "maven"), tempDir)
	if err != nil {
		t.Fatal("Failed to copy test project.")
	}

	//workaround to use test script util it is possible to set workdir for Exec call
	testScript := `#!/bin/sh
cd /test
apt-get -yqq update; apt-get -yqq install make
curl -OL https://github.com/SAP/cloud-mta-build-tool/releases/download/v1.0.14/cloud-mta-build-tool_1.0.14_Linux_amd64.tar.gz
tar xzf cloud-mta-build-tool_1.0.14_Linux_amd64.tar.gz
mv mbt /usr/bin
/piperbin/piper mtaBuild >test-log.txt 2>&1
`
	ioutil.WriteFile(filepath.Join(tempDir, "runPiper.sh"), []byte(testScript), 0700)

	reqNode := testcontainers.ContainerRequest{
		Image: "maven:3-openjdk-8-slim",
		Cmd:   []string{"tail", "-f"},

		BindMounts: map[string]string{
			pwd:     "/piperbin",
			tempDir: "/test",
		},
	}

	mbtContainer, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{
		ContainerRequest: reqNode,
		Started:          true,
	})

	code, err := mbtContainer.Exec(ctx, []string{"sh", "/test/runPiper.sh"})

	if err != nil {
		t.Fatalf("Script returened error: %v", err)
	}
	assert.Equal(t, 0, code)

	content, err := ioutil.ReadFile(filepath.Join(tempDir, "/test-log.txt"))
	if err != nil {
		t.Fatal("Could not read test-log.txt.", err)
	}
	output := string(content)
	assert.Contains(t, output, "Installing /test/pom.xml to /root/.m2/repository/mygroup/mymvn/1.0-SNAPSHOT/mymvn-1.0-SNAPSHOT.pom")
	assert.Contains(t, output, "Installing /test/app/target/mymvn-app-1.0-SNAPSHOT.war to /root/.m2/repository/mygroup/mymvn-app/1.0-SNAPSHOT/mymvn-app-1.0-SNAPSHOT.war")
	assert.Contains(t, output, "Installing /test/app/target/mymvn-app-1.0-SNAPSHOT-classes.jar to /root/.m2/repository/mygroup/mymvn-app/1.0-SNAPSHOT/mymvn-app-1.0-SNAPSHOT-classes.jar")
}

func TestNPMProject(t *testing.T) {
	t.Parallel()
	ctx := context.Background()

	pwd, err := os.Getwd()
	if err != nil {
		t.Fatalf("Getting current working directory failed: %v", err)
	}
	pwd = filepath.Dir(pwd)

	// using custom createTmpDir function to avoid issues with symlinks on Docker for Mac
	tempDir, err := createTmpDir("")
	defer os.RemoveAll(tempDir) // clean up

	if err != nil {
		t.Fatalf("Error when creating temp dir: %v", err)
	}

	err = copyDir(filepath.Join(pwd, "integration", "testdata", "TestMtaIntegration", "npm"), tempDir)
	if err != nil {
		t.Fatal("Failed to copy test project.")
	}

	//workaround to use test script util it is possible to set workdir for Exec call
	testScript := `#!/bin/sh
cd /test
apt-get -yqq update; apt-get -yqq install make
curl -OL https://github.com/SAP/cloud-mta-build-tool/releases/download/v1.0.14/cloud-mta-build-tool_1.0.14_Linux_amd64.tar.gz
tar xzf cloud-mta-build-tool_1.0.14_Linux_amd64.tar.gz
mv mbt /usr/bin
/piperbin/piper mtaBuild >test-log.txt 2>&1
`
	ioutil.WriteFile(filepath.Join(tempDir, "runPiper.sh"), []byte(testScript), 0700)

	reqNode := testcontainers.ContainerRequest{
		Image: "node:12",
		Cmd:   []string{"tail", "-f"},

		BindMounts: map[string]string{
			pwd:     "/piperbin",
			tempDir: "/test",
		},
	}

	mbtContainer, err := testcontainers.GenericContainer(ctx, testcontainers.GenericContainerRequest{
		ContainerRequest: reqNode,
		Started:          true,
	})

	code, err := mbtContainer.Exec(ctx, []string{"sh", "/test/runPiper.sh"})

	if err != nil {
		t.Fatalf("Script returened error: %v", err)
	}
	assert.Equal(t, 0, code)

	content, err := ioutil.ReadFile(filepath.Join(tempDir, "/test-log.txt"))
	if err != nil {
		t.Fatal("Could not read test-log.txt.", err)
	}
	output := string(content)
	assert.Contains(t, output, "INFO the MTA archive generated at: test-mta-js.mtar")
}