@Test
public void shouldUseSpecifiedJavacJar() throws Exception {
BuildRuleResolver resolver = new BuildRuleResolver();
SourcePathResolver pathResolver = new SourcePathResolver(resolver);
BuildRule rule = new FakeBuildRule("//:fake", pathResolver);
resolver.addToIndex(rule);
Path fakeJavacJar = Paths.get("ae036e57-77a7-4356-a79c-0f85b1a3290d", "fakeJavac.jar");
ExecutionContext executionContext = TestExecutionContext.newInstance();
MockClassLoader mockClassLoader =
new MockClassLoader(
ClassLoader.getSystemClassLoader(),
ImmutableMap.<String, Class<?>>of(
"com.sun.tools.javac.api.JavacTool", MockJavac.class));
executionContext
.getClassLoaderCache()
.injectClassLoader(
ClassLoader.getSystemClassLoader(),
ImmutableList.of(fakeJavacJar.toUri().toURL()),
mockClassLoader);
Jsr199Javac javac = createJavac(/* withSyntaxError */ false, Optional.of(fakeJavacJar));
boolean caught = false;
try {
javac.buildWithClasspath(
executionContext,
createProjectFilesystem(),
PATH_RESOLVER,
BuildTargetFactory.newInstance("//some:example"),
ImmutableList.<String>of(),
SOURCE_PATHS,
Optional.of(pathToSrcsList),
Optional.<Path>absent());
fail("Did not expect compilation to succeed");
} catch (UnsupportedOperationException ex) {
if (ex.toString().contains("abcdef")) {
caught = true;
}
}
assertTrue("mock Java compiler should throw", caught);
}
