@Test
public void replaceLocationOfFullyQualifiedBuildTarget() throws IOException, MacroException {
ProjectFilesystem filesystem = new FakeProjectFilesystem();
BuildRuleResolver ruleResolver = new BuildRuleResolver();
BuildRule javaBinary = createSampleJavaBinaryRule(ruleResolver);
Path outputPath = javaBinary.getPathToOutput();
Path absolutePath = outputPath.toAbsolutePath();
String originalCmd =
String.format(
"$(location :%s) $(location %s) $OUT",
javaBinary.getBuildTarget().getShortNameAndFlavorPostfix(),
javaBinary.getBuildTarget().getFullyQualifiedName());
// Interpolate the build target in the genrule cmd string.
MacroHandler macroHandler =
new MacroHandler(
ImmutableMap.<String, MacroExpander>of("location", new LocationMacroExpander()));
String transformedString =
macroHandler.expand(
javaBinary.getBuildTarget(),
createCellRoots(filesystem),
ruleResolver,
filesystem,
originalCmd);
// Verify that the correct cmd was created.
String expectedCmd = String.format("%s %s $OUT", absolutePath, absolutePath);
assertEquals(expectedCmd, transformedString);
}
@Test
public void testMissingBuildRule() throws NoSuchBuildTargetException {
BuildTarget target = BuildTargetFactory.newInstance("//:java");
ProjectFilesystem filesystem = new FakeProjectFilesystem();
MacroHandler macroHandler =
new MacroHandler(ImmutableMap.<String, MacroExpander>of("maven_coords", expander));
try {
macroHandler.expand(target, createCellRoots(filesystem), resolver, "$(maven_coords //:foo)");
fail("Expected MacroException; Rule does not exist");
} catch (MacroException e) {
assertTrue(
"Expected MacroException that indicates target does not exist",
e.getMessage().contains("no rule //:foo"));
}
}
@Test
public void testExpansionOfMavenCoordinates() throws NoSuchBuildTargetException {
String mavenCoords = "org.foo:bar:1.0";
BuildTarget target = BuildTargetFactory.newInstance("//:java");
JavaLibraryBuilder.createBuilder(target).setMavenCoords(mavenCoords).build(resolver);
ProjectFilesystem filesystem = new FakeProjectFilesystem();
MacroHandler macroHandler =
new MacroHandler(ImmutableMap.<String, MacroExpander>of("maven_coords", expander));
try {
String expansion =
macroHandler.expand(
target, createCellRoots(filesystem), resolver, "$(maven_coords //:java)");
assertEquals("Return maven coordinates do not match provides ones", mavenCoords, expansion);
} catch (MacroException e) {
fail(String.format("Unexpected MacroException: %s", e.getMessage()));
}
}
@Test
public void testShouldWarnUsersWhenThereIsNoOutputForARuleButLocationRequested() {
BuildRuleResolver resolver = new BuildRuleResolver();
JavaLibraryBuilder.createBuilder(BuildTargetFactory.newInstance("//cheese:java"))
.build(resolver);
BuildTarget target = BuildTargetFactory.newInstance("//cheese:cake");
ProjectFilesystem filesystem = new FakeProjectFilesystem();
MacroHandler macroHandler =
new MacroHandler(
ImmutableMap.<String, MacroExpander>of("location", new LocationMacroExpander()));
try {
macroHandler.expand(
target, createCellRoots(filesystem), resolver, filesystem, "$(location //cheese:java)");
fail("Location was null. Expected HumanReadableException with helpful message.");
} catch (MacroException e) {
assertEquals(
"expanding $(location //cheese:java): //cheese:java used"
+ " in location macro does not produce output",
e.getMessage());
}
}