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Add skeleton tests for annotation processor
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76 changes: 76 additions & 0 deletions
76
...essor/src/test/java/io/quarkus/annotation/processor/ExtensionAnnotationProcessorTest.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,76 @@ | ||
| package io.quarkus.annotation.processor; | ||
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| import static org.junit.jupiter.api.Assertions.assertEquals; | ||
| import static org.junit.jupiter.api.Assertions.assertNotNull; | ||
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| import java.io.IOException; | ||
| import java.nio.charset.StandardCharsets; | ||
| import java.util.List; | ||
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| import javax.tools.JavaFileObject; | ||
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| import org.junit.jupiter.api.BeforeEach; | ||
| import org.junit.jupiter.api.Test; | ||
| import org.junit.jupiter.api.extension.ExtendWith; | ||
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| import com.karuslabs.elementary.Results; | ||
| import com.karuslabs.elementary.junit.JavacExtension; | ||
| import com.karuslabs.elementary.junit.annotations.Classpath; | ||
| import com.karuslabs.elementary.junit.annotations.Processors; | ||
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| import io.quarkus.annotation.processor.fs.CustomMemoryFileSystemProvider; | ||
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| @ExtendWith(JavacExtension.class) | ||
| @Processors({ ExtensionAnnotationProcessor.class }) | ||
| class ExtensionAnnotationProcessorTest { | ||
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| @BeforeEach | ||
| void beforeEach() { | ||
| // This is of limited use, since the filesystem doesn't seem to directly generate files, in the current usage | ||
| CustomMemoryFileSystemProvider.reset(); | ||
| } | ||
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| @Test | ||
| @Classpath("org.acme.examples.ClassWithBuildStep") | ||
| void shouldProcessClassWithBuildStepWithoutErrors(Results results) throws IOException { | ||
| assertNoErrrors(results); | ||
| } | ||
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| @Test | ||
| @Classpath("org.acme.examples.ClassWithBuildStep") | ||
| void shouldGenerateABscFile(Results results) throws IOException { | ||
| assertNoErrrors(results); | ||
| List<JavaFileObject> sources = results.sources; | ||
| JavaFileObject bscFile = sources.stream() | ||
| .filter(source -> source.getName() | ||
| .endsWith(".bsc")) | ||
| .findAny() | ||
| .orElse(null); | ||
| assertNotNull(bscFile); | ||
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| String contents = removeLineBreaks(new String(bscFile | ||
| .openInputStream() | ||
| .readAllBytes(), StandardCharsets.UTF_8)); | ||
| assertEquals("org.acme.examples.ClassWithBuildStep", contents); | ||
| } | ||
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| private String removeLineBreaks(String s) { | ||
| return s.replace(System.getProperty("line.separator"), "") | ||
| .replace("\n", ""); | ||
| } | ||
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| @Test | ||
| @Classpath("org.acme.examples.ClassWithoutBuildStep") | ||
| void shouldProcessEmptyClassWithoutErrors(Results results) { | ||
| assertNoErrrors(results); | ||
| } | ||
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| private static void assertNoErrrors(Results results) { | ||
| assertEquals(0, results.find() | ||
| .errors() | ||
| .count(), | ||
| "Errors were: " + results.find() | ||
| .errors() | ||
| .diagnostics()); | ||
| } | ||
| } |
158 changes: 158 additions & 0 deletions
158
core/processor/src/test/java/io/quarkus/annotation/processor/fs/CustomMemoryFileSystem.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,158 @@ | ||
| package io.quarkus.annotation.processor.fs; | ||
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| import java.io.IOException; | ||
| import java.net.URI; | ||
| import java.nio.ByteBuffer; | ||
| import java.nio.channels.SeekableByteChannel; | ||
| import java.nio.file.FileStore; | ||
| import java.nio.file.FileSystem; | ||
| import java.nio.file.Path; | ||
| import java.nio.file.PathMatcher; | ||
| import java.nio.file.Paths; | ||
| import java.nio.file.WatchService; | ||
| import java.nio.file.attribute.UserPrincipalLookupService; | ||
| import java.nio.file.spi.FileSystemProvider; | ||
| import java.util.Collections; | ||
| import java.util.HashMap; | ||
| import java.util.Map; | ||
| import java.util.Set; | ||
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| public class CustomMemoryFileSystem extends FileSystem { | ||
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| private final Map<URI, ByteBuffer> fileContents = new HashMap<>(); | ||
| private final CustomMemoryFileSystemProvider provider; | ||
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| public CustomMemoryFileSystem(CustomMemoryFileSystemProvider provider) { | ||
| this.provider = provider; | ||
| } | ||
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| @Override | ||
| public FileSystemProvider provider() { | ||
| return provider; | ||
| } | ||
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| @Override | ||
| public void close() throws IOException { | ||
| // No resources to close | ||
| } | ||
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| @Override | ||
| public boolean isOpen() { | ||
| return true; // Always open | ||
| } | ||
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| @Override | ||
| public boolean isReadOnly() { | ||
| return false; // This filesystem is writable | ||
| } | ||
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| @Override | ||
| public String getSeparator() { | ||
| return "/"; // Unix-style separator | ||
| } | ||
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| @Override | ||
| public Iterable<Path> getRootDirectories() { | ||
| return Collections.singleton(Paths.get("/")); // Single root directory | ||
| } | ||
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| @Override | ||
| public Iterable<FileStore> getFileStores() { | ||
| return Collections.emptyList(); // No file stores | ||
| } | ||
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| @Override | ||
| public Set<String> supportedFileAttributeViews() { | ||
| return Collections.emptySet(); // No supported file attribute views | ||
| } | ||
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| @Override | ||
| public Path getPath(String first, String... more) { | ||
| String path = first; | ||
| for (String segment : more) { | ||
| path += "/" + segment; | ||
| } | ||
| return Paths.get(path); | ||
| } | ||
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| @Override | ||
| public PathMatcher getPathMatcher(String syntaxAndPattern) { | ||
| return null; | ||
| } | ||
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| @Override | ||
| public UserPrincipalLookupService getUserPrincipalLookupService() { | ||
| return null; | ||
| } | ||
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| @Override | ||
| public WatchService newWatchService() throws IOException { | ||
| return null; | ||
| } | ||
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| public void addFile(URI uri, byte[] content) { | ||
| fileContents.put(uri, ByteBuffer.wrap(content)); | ||
| } | ||
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| static class CustomMemorySeekableByteChannel implements SeekableByteChannel { | ||
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| private final ByteBuffer buffer; | ||
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| CustomMemorySeekableByteChannel(ByteBuffer buffer) { | ||
| this.buffer = buffer; | ||
| } | ||
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| @Override | ||
| public int read(ByteBuffer dst) throws IOException { | ||
| int remaining = buffer.remaining(); | ||
| int count = Math.min(remaining, dst.remaining()); | ||
| if (count > 0) { | ||
| ByteBuffer slice = buffer.slice(); | ||
| slice.limit(count); | ||
| dst.put(slice); | ||
| buffer.position(buffer.position() + count); | ||
| } | ||
| return count; | ||
| } | ||
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| @Override | ||
| public int write(ByteBuffer src) throws IOException { | ||
| int count = src.remaining(); | ||
| buffer.put(src); | ||
| return count; | ||
| } | ||
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| @Override | ||
| public long position() throws IOException { | ||
| return buffer.position(); | ||
| } | ||
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| @Override | ||
| public SeekableByteChannel position(long newPosition) throws IOException { | ||
| buffer.position((int) newPosition); | ||
| return this; | ||
| } | ||
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| @Override | ||
| public long size() throws IOException { | ||
| return buffer.limit(); | ||
| } | ||
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| @Override | ||
| public SeekableByteChannel truncate(long size) throws IOException { | ||
| buffer.limit((int) size); | ||
| return this; | ||
| } | ||
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| @Override | ||
| public boolean isOpen() { | ||
| return true; // Always open | ||
| } | ||
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| @Override | ||
| public void close() throws IOException { | ||
| // No resources to close | ||
| } | ||
| } | ||
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| } |
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