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wilkinsonawilkinsona
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Polish BootJarTests
See gh-19847 See gh-19792
1 parent 95be419 commit bc452bc

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  • spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/src/test/java/org/springframework/boot/gradle/tasks/bundling

1 file changed

+78
-49
lines changed

‎spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/src/test/java/org/springframework/boot/gradle/tasks/bundling/BootJarTests.java‎

Lines changed: 78 additions & 49 deletions
Original file line numberDiff line numberDiff line change
@@ -16,11 +16,13 @@
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package org.springframework.boot.gradle.tasks.bundling;
1818

19+
import java.io.BufferedReader;
1920
import java.io.File;
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import java.io.IOException;
21-
import java.io.InputStream;
22+
import java.io.InputStreamReader;
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import java.util.List;
2324
import java.util.jar.JarFile;
25+
import java.util.stream.Collectors;
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import org.junit.jupiter.api.Test;
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@@ -61,10 +63,79 @@ void contentCanBeAddedToBootInfUsingCopySpecAction() throws IOException {
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}
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@Test
64-
void layers() throws IOException {
66+
void whenJarIsLayeredThenBootInfContainsOnlyLayersAndIndexFiles() throws IOException {
67+
List<String> entryNames = getEntryNames(createLayeredJar());
68+
assertThat(entryNames.stream().filter((name) -> name.startsWith("BOOT-INF/"))
69+
.filter((name) -> !name.startsWith("BOOT-INF/layers/"))).contains("BOOT-INF/layers.idx",
70+
"BOOT-INF/classpath.idx");
71+
}
72+
73+
@Test
74+
void whenJarIsLayeredThenManifestContainsEntryForLayersIndexInPlaceOfClassesAndLib() throws IOException {
75+
try (JarFile jarFile = new JarFile(createLayeredJar())) {
76+
assertThat(jarFile.getManifest().getMainAttributes().getValue("Spring-Boot-Classes")).isEqualTo(null);
77+
assertThat(jarFile.getManifest().getMainAttributes().getValue("Spring-Boot-Lib")).isEqualTo(null);
78+
assertThat(jarFile.getManifest().getMainAttributes().getValue("Spring-Boot-Layers-Index"))
79+
.isEqualTo("BOOT-INF/layers.idx");
80+
}
81+
}
82+
83+
@Test
84+
void whenJarIsLayeredThenLayersIndexIsPresentAndListsLayersInOrder() throws IOException {
85+
try (JarFile jarFile = new JarFile(createLayeredJar())) {
86+
assertThat(entryLines(jarFile, "BOOT-INF/layers.idx")).containsExactly("dependencies",
87+
"snapshot-dependencies", "resources", "application");
88+
}
89+
}
90+
91+
@Test
92+
void whenJarIsLayeredThenContentsAreMovedToLayerDirectories() throws IOException {
93+
List<String> entryNames = getEntryNames(createLayeredJar());
94+
assertThat(entryNames)
95+
.containsSubsequence("BOOT-INF/layers/dependencies/lib/first-library.jar",
96+
"BOOT-INF/layers/dependencies/lib/second-library.jar")
97+
.contains("BOOT-INF/layers/snapshot-dependencies/lib/third-library-SNAPSHOT.jar")
98+
.containsSubsequence("BOOT-INF/layers/application/classes/com/example/Application.class",
99+
"BOOT-INF/layers/application/classes/application.properties")
100+
.contains("BOOT-INF/layers/resources/classes/static/test.css");
101+
}
102+
103+
@Test
104+
void whenJarIsLayeredClasspathIndexPointsToLayeredLibs() throws IOException {
105+
try (JarFile jarFile = new JarFile(createLayeredJar())) {
106+
assertThat(entryLines(jarFile, "BOOT-INF/classpath.idx")).containsExactly(
107+
"BOOT-INF/layers/dependencies/lib/first-library.jar",
108+
"BOOT-INF/layers/dependencies/lib/second-library.jar",
109+
"BOOT-INF/layers/snapshot-dependencies/lib/third-library-SNAPSHOT.jar");
110+
}
111+
}
112+
113+
@Test
114+
void classpathIndexPointsToBootInfLibs() throws IOException {
115+
try (JarFile jarFile = new JarFile(createPopulatedJar())) {
116+
assertThat(jarFile.getManifest().getMainAttributes().getValue("Spring-Boot-Classpath-Index"))
117+
.isEqualTo("BOOT-INF/classpath.idx");
118+
assertThat(entryLines(jarFile, "BOOT-INF/classpath.idx")).containsExactly("BOOT-INF/lib/first-library.jar",
119+
"BOOT-INF/lib/second-library.jar", "BOOT-INF/lib/third-library-SNAPSHOT.jar");
120+
}
121+
}
122+
123+
private File createPopulatedJar() throws IOException {
124+
addContent();
125+
executeTask();
126+
return getTask().getArchiveFile().get().getAsFile();
127+
}
128+
129+
private File createLayeredJar() throws IOException {
130+
addContent();
131+
getTask().layered();
132+
executeTask();
133+
return getTask().getArchiveFile().get().getAsFile();
134+
}
135+
136+
private void addContent() throws IOException {
65137
BootJar bootJar = getTask();
66138
bootJar.setMainClassName("com.example.Main");
67-
bootJar.layered();
68139
File classesJavaMain = new File(this.temp, "classes/java/main");
69140
File applicationClass = new File(classesJavaMain, "com/example/Application.class");
70141
applicationClass.getParentFile().mkdirs();
@@ -79,54 +150,12 @@ void layers() throws IOException {
79150
css.createNewFile();
80151
bootJar.classpath(classesJavaMain, resourcesMain, jarFile("first-library.jar"), jarFile("second-library.jar"),
81152
jarFile("third-library-SNAPSHOT.jar"));
82-
bootJar.requiresUnpack("second-library.jar");
83-
executeTask();
84-
List<String> entryNames = getEntryNames(bootJar.getArchiveFile().get().getAsFile());
85-
assertThat(entryNames).containsSubsequence("org/springframework/boot/loader/",
86-
"BOOT-INF/layers/application/classes/com/example/Application.class",
87-
"BOOT-INF/layers/resources/classes/static/test.css",
88-
"BOOT-INF/layers/application/classes/application.properties",
89-
"BOOT-INF/layers/dependencies/lib/first-library.jar",
90-
"BOOT-INF/layers/dependencies/lib/second-library.jar",
91-
"BOOT-INF/layers/snapshot-dependencies/lib/third-library-SNAPSHOT.jar");
92-
assertThat(entryNames).doesNotContain("BOOT-INF/classes").doesNotContain("BOOT-INF/lib")
93-
.doesNotContain("BOOT-INF/com/");
94-
try (JarFile jarFile = new JarFile(bootJar.getArchiveFile().get().getAsFile())) {
95-
assertThat(jarFile.getManifest().getMainAttributes().getValue("Spring-Boot-Classes")).isEqualTo(null);
96-
assertThat(jarFile.getManifest().getMainAttributes().getValue("Spring-Boot-Lib")).isEqualTo(null);
97-
assertThat(jarFile.getManifest().getMainAttributes().getValue("Spring-Boot-Layers-Index"))
98-
.isEqualTo("BOOT-INF/layers.idx");
99-
assertThat(jarFile.getManifest().getMainAttributes().getValue("Spring-Boot-Classpath-Index"))
100-
.isEqualTo("BOOT-INF/classpath.idx");
101-
try (InputStream input = jarFile.getInputStream(jarFile.getEntry("BOOT-INF/layers.idx"))) {
102-
assertThat(input).hasContent("dependencies\nsnapshot-dependencies\nresources\napplication\n");
103-
}
104-
try (InputStream input = jarFile.getInputStream(jarFile.getEntry("BOOT-INF/classpath.idx"))) {
105-
assertThat(input).hasContent(
106-
"BOOT-INF/layers/dependencies/lib/first-library.jar\nBOOT-INF/layers/dependencies/lib/second-library.jar\nBOOT-INF/layers/snapshot-dependencies/lib/third-library-SNAPSHOT.jar\n");
107-
}
108-
}
109153
}
110154

111-
@Test
112-
void classpathIndex() throws IOException {
113-
BootJar bootJar = getTask();
114-
bootJar.setMainClassName("com.example.Main");
115-
File classesJavaMain = new File(this.temp, "classes/java/main");
116-
File applicationClass = new File(classesJavaMain, "com/example/Application.class");
117-
applicationClass.getParentFile().mkdirs();
118-
applicationClass.createNewFile();
119-
bootJar.classpath(classesJavaMain, jarFile("first-library.jar"), jarFile("second-library.jar"),
120-
jarFile("third-library-SNAPSHOT.jar"));
121-
bootJar.requiresUnpack("second-library.jar");
122-
executeTask();
123-
try (JarFile jarFile = new JarFile(bootJar.getArchiveFile().get().getAsFile())) {
124-
assertThat(jarFile.getManifest().getMainAttributes().getValue("Spring-Boot-Classpath-Index"))
125-
.isEqualTo("BOOT-INF/classpath.idx");
126-
try (InputStream input = jarFile.getInputStream(jarFile.getEntry("BOOT-INF/classpath.idx"))) {
127-
assertThat(input).hasContent(
128-
"BOOT-INF/lib/first-library.jar\nBOOT-INF/lib/second-library.jar\nBOOT-INF/lib/third-library-SNAPSHOT.jar\n");
129-
}
155+
private List<String> entryLines(JarFile jarFile, String entryName) throws IOException {
156+
try (BufferedReader reader = new BufferedReader(
157+
new InputStreamReader(jarFile.getInputStream(jarFile.getEntry(entryName))))) {
158+
return reader.lines().collect(Collectors.toList());
130159
}
131160
}
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