Copy tests from https://github.com/paketo-buildpacks/builder-jammy-tiny/tree/main/smoke

Author: anthonydahanne

smoke/init_test.go

@@ -1,32 +1,25 @@
 package smoke_test
 
 import (
-	"encoding/json"
 	"flag"
-	"os"
 	"testing"
 	"time"
 
-	"github.com/paketo-buildpacks/occam"
+	"github.com/onsi/gomega/format"
 	"github.com/sclevine/spec"
 	"github.com/sclevine/spec/report"
 
 	. "github.com/onsi/gomega"
 )
 
-var (
-	Builder string
-
-	config struct {
-		Procfile string `json:"procfile"`
-	}
-)
+var Builder string
 
 func init() {
 	flag.StringVar(&Builder, "name", "", "")
 }
 
 func TestSmoke(t *testing.T) {
+	format.MaxLength = 0
 	Expect := NewWithT(t).Expect
 
 	flag.Parse()
@@ -35,15 +28,8 @@ func TestSmoke(t *testing.T) {
 
 	SetDefaultEventuallyTimeout(60 * time.Second)
 
-	file, err := os.Open("../smoke.json")
-	Expect(err).NotTo(HaveOccurred())
-
-	Expect(json.NewDecoder(file).Decode(&config)).To(Succeed())
-	Expect(file.Close()).To(Succeed())
-
-	Expect(occam.NewDocker().Pull.Execute(config.Procfile))
-
-	suite := spec.New("Buildpack Smoke", spec.Parallel(), spec.Report(report.Terminal{}))
-	suite("Procfile", testProcfile)
+	suite := spec.New("Smoke", spec.Parallel(), spec.Report(report.Terminal{}))
+	suite("Java Native Image", testJavaNativeImage)
+	suite("Java", testJava)
 	suite.Run(t)
 }

smoke/java_native_image_test.go

@@ -0,0 +1,80 @@
+package smoke_test
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+	"testing"
+
+	"github.com/paketo-buildpacks/occam"
+	"github.com/sclevine/spec"
+
+	. "github.com/onsi/gomega"
+	. "github.com/paketo-buildpacks/occam/matchers"
+)
+
+func testJavaNativeImage(t *testing.T, context spec.G, it spec.S) {
+	var (
+		Expect     = NewWithT(t).Expect
+		Eventually = NewWithT(t).Eventually
+
+		pack   occam.Pack
+		docker occam.Docker
+	)
+
+	it.Before(func() {
+		pack = occam.NewPack().WithVerbose().WithNoColor()
+		docker = occam.NewDocker()
+	})
+
+	context("detects a Java Native Image app", func() {
+		var (
+			image     occam.Image
+			container occam.Container
+
+			name   string
+			source string
+		)
+
+		it.Before(func() {
+			var err error
+			name, err = occam.RandomName()
+			Expect(err).NotTo(HaveOccurred())
+		})
+
+		it.After(func() {
+			Expect(docker.Container.Remove.Execute(container.ID)).To(Succeed())
+			Expect(docker.Volume.Remove.Execute(occam.CacheVolumeNames(name))).To(Succeed())
+			Expect(docker.Image.Remove.Execute(image.ID)).To(Succeed())
+			Expect(os.RemoveAll(source)).To(Succeed())
+		})
+
+		it("builds successfully", func() {
+			var err error
+			source, err = occam.Source(filepath.Join("testdata", "java-native-image"))
+			Expect(err).NotTo(HaveOccurred())
+
+			var logs fmt.Stringer
+			image, logs, err = pack.Build.
+				WithPullPolicy("never").
+				WithBuilder(Builder).
+				WithEnv(map[string]string{"BP_NATIVE_IMAGE": "true", "BP_JVM_VERSION": "17", "BP_MAVEN_BUILD_ARGUMENTS": "-Pnative --batch-mode -Dmaven.test.skip=true --no-transfer-progress package", "USE_NATIVE_IMAGE_JAVA_PLATFORM_MODULE_SYSTEM": "false"}).
+				Execute(name, source)
+			Expect(err).ToNot(HaveOccurred(), logs.String)
+
+			container, err = docker.Container.Run.
+				WithEnv(map[string]string{"PORT": "8080"}).
+				WithPublish("8080").
+				Execute(image.ID)
+			Expect(err).NotTo(HaveOccurred())
+
+			Eventually(container).Should(BeAvailable())
+
+			Expect(logs).To(ContainLines(ContainSubstring("Paketo Buildpack for BellSoft Liberica")))
+			Expect(logs).To(ContainLines(ContainSubstring("Paketo Buildpack for Maven")))
+			Expect(logs).To(ContainLines(ContainSubstring("Paketo Buildpack for Executable JAR")))
+			Expect(logs).To(ContainLines(ContainSubstring("Paketo Buildpack for Spring Boot")))
+			Expect(logs).To(ContainLines(ContainSubstring("Paketo Buildpack for Native Image")))
+		})
+	})
+}

smoke/procfile_test.go smoke/java_test.gosmoke/procfile_test.go renamed to smoke/java_test.go

@@ -13,7 +13,7 @@ import (
 	. "github.com/paketo-buildpacks/occam/matchers"
 )
 
-func testProcfile(t *testing.T, context spec.G, it spec.S) {
+func testJava(t *testing.T, context spec.G, it spec.S) {
 	var (
 		Expect     = NewWithT(t).Expect
 		Eventually = NewWithT(t).Eventually
@@ -27,7 +27,7 @@ func testProcfile(t *testing.T, context spec.G, it spec.S) {
 		docker = occam.NewDocker()
 	})
 
-	context("procfile buildpack specified at build time", func() {
+	context("detects a Java app", func() {
 		var (
 			image     occam.Image
 			container occam.Container
@@ -40,9 +40,6 @@ func testProcfile(t *testing.T, context spec.G, it spec.S) {
 			var err error
 			name, err = occam.RandomName()
 			Expect(err).NotTo(HaveOccurred())
-
-			source, err = occam.Source(filepath.Join("testdata", "procfile"))
-			Expect(err).NotTo(HaveOccurred())
 		})
 
 		it.After(func() {
@@ -52,15 +49,17 @@ func testProcfile(t *testing.T, context spec.G, it spec.S) {
 			Expect(os.RemoveAll(source)).To(Succeed())
 		})
 
-		it("builds Procfile app successfully", func() {
+		it("builds successfully", func() {
 			var err error
+			// this is OK, the app also works for running with a JVM
+			source, err = occam.Source(filepath.Join("testdata", "java-native-image"))
+			Expect(err).NotTo(HaveOccurred())
+
 			var logs fmt.Stringer
 			image, logs, err = pack.Build.
 				WithPullPolicy("never").
 				WithBuilder(Builder).
-				WithBuildpacks(
-					config.Procfile,
-				).
+				WithEnv(map[string]string{"BP_JVM_VERSION": "17"}).
 				Execute(name, source)
 			Expect(err).ToNot(HaveOccurred(), logs.String)
 
@@ -72,7 +71,10 @@ func testProcfile(t *testing.T, context spec.G, it spec.S) {
 
 			Eventually(container).Should(BeAvailable())
 
-			Expect(logs).To(ContainLines(ContainSubstring("Paketo Buildpack for Procfile")))
+			Expect(logs).To(ContainLines(ContainSubstring("Paketo Buildpack for BellSoft Liberica")))
+			Expect(logs).To(ContainLines(ContainSubstring("Paketo Buildpack for Maven")))
+			Expect(logs).To(ContainLines(ContainSubstring("Paketo Buildpack for Executable JAR")))
+			Expect(logs).To(ContainLines(ContainSubstring("Paketo Buildpack for Spring Boot")))
 		})
 	})
 }

smoke/testdata/java-native-image/.gitignore

@@ -0,0 +1,33 @@
+HELP.md
+target/
+!.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**/target/
+!**/src/test/**/target/
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### VS Code ###
+.vscode/

smoke/testdata/java-native-image/.mvn/wrapper/MavenWrapperDownloader.java

@@ -0,0 +1,117 @@
+/*
+ * Copyright 2007-present the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import java.net.*;
+import java.io.*;
+import java.nio.channels.*;
+import java.util.Properties;
+
+public class MavenWrapperDownloader {
+
+    private static final String WRAPPER_VERSION = "0.5.6";
+    /**
+     * Default URL to download the maven-wrapper.jar from, if no 'downloadUrl' is provided.
+     */
+    private static final String DEFAULT_DOWNLOAD_URL = "https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/"
+        + WRAPPER_VERSION + "/maven-wrapper-" + WRAPPER_VERSION + ".jar";
+
+    /**
+     * Path to the maven-wrapper.properties file, which might contain a downloadUrl property to
+     * use instead of the default one.
+     */
+    private static final String MAVEN_WRAPPER_PROPERTIES_PATH =
+            ".mvn/wrapper/maven-wrapper.properties";
+
+    /**
+     * Path where the maven-wrapper.jar will be saved to.
+     */
+    private static final String MAVEN_WRAPPER_JAR_PATH =
+            ".mvn/wrapper/maven-wrapper.jar";
+
+    /**
+     * Name of the property which should be used to override the default download url for the wrapper.
+     */
+    private static final String PROPERTY_NAME_WRAPPER_URL = "wrapperUrl";
+
+    public static void main(String args[]) {
+        System.out.println("- Downloader started");
+        File baseDirectory = new File(args[0]);
+        System.out.println("- Using base directory: " + baseDirectory.getAbsolutePath());
+
+        // If the maven-wrapper.properties exists, read it and check if it contains a custom
+        // wrapperUrl parameter.
+        File mavenWrapperPropertyFile = new File(baseDirectory, MAVEN_WRAPPER_PROPERTIES_PATH);
+        String url = DEFAULT_DOWNLOAD_URL;
+        if(mavenWrapperPropertyFile.exists()) {
+            FileInputStream mavenWrapperPropertyFileInputStream = null;
+            try {
+                mavenWrapperPropertyFileInputStream = new FileInputStream(mavenWrapperPropertyFile);
+                Properties mavenWrapperProperties = new Properties();
+                mavenWrapperProperties.load(mavenWrapperPropertyFileInputStream);
+                url = mavenWrapperProperties.getProperty(PROPERTY_NAME_WRAPPER_URL, url);
+            } catch (IOException e) {
+                System.out.println("- ERROR loading '" + MAVEN_WRAPPER_PROPERTIES_PATH + "'");
+            } finally {
+                try {
+                    if(mavenWrapperPropertyFileInputStream != null) {
+                        mavenWrapperPropertyFileInputStream.close();
+                    }
+                } catch (IOException e) {
+                    // Ignore ...
+                }
+            }
+        }
+        System.out.println("- Downloading from: " + url);
+
+        File outputFile = new File(baseDirectory.getAbsolutePath(), MAVEN_WRAPPER_JAR_PATH);
+        if(!outputFile.getParentFile().exists()) {
+            if(!outputFile.getParentFile().mkdirs()) {
+                System.out.println(
+                        "- ERROR creating output directory '" + outputFile.getParentFile().getAbsolutePath() + "'");
+            }
+        }
+        System.out.println("- Downloading to: " + outputFile.getAbsolutePath());
+        try {
+            downloadFileFromURL(url, outputFile);
+            System.out.println("Done");
+            System.exit(0);
+        } catch (Throwable e) {
+            System.out.println("- Error downloading");
+            e.printStackTrace();
+            System.exit(1);
+        }
+    }
+
+    private static void downloadFileFromURL(String urlString, File destination) throws Exception {
+        if (System.getenv("MVNW_USERNAME") != null && System.getenv("MVNW_PASSWORD") != null) {
+            String username = System.getenv("MVNW_USERNAME");
+            char[] password = System.getenv("MVNW_PASSWORD").toCharArray();
+            Authenticator.setDefault(new Authenticator() {
+                @Override
+                protected PasswordAuthentication getPasswordAuthentication() {
+                    return new PasswordAuthentication(username, password);
+                }
+            });
+        }
+        URL website = new URL(urlString);
+        ReadableByteChannel rbc;
+        rbc = Channels.newChannel(website.openStream());
+        FileOutputStream fos = new FileOutputStream(destination);
+        fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE);
+        fos.close();
+        rbc.close();
+    }
+
+}

smoke/testdata/java-native-image/.mvn/wrapper/maven-wrapper.jar

@@ -0,0 +1,2 @@
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.6.3/apache-maven-3.6.3-bin.zip
+wrapperUrl=https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar

smoke/testdata/java-native-image/.mvn/wrapper/maven-wrapper.properties

@@ -0,0 +1,21 @@
+# Java Native Image Sample Application
+
+## Building
+
+```bash
+pack build applications/native-image \
+  --builder paketobuildpacks/builder:tiny \
+  --env BP_NATIVE_IMAGE=true
+```
+
+## Running
+
+```bash
+docker run --rm --tty --publish 8080:8080 applications/native-image
+```
+
+## Viewing
+
+```bash
+curl -s http://localhost:8080/actuator/health | jq .
+```