@Test
public void testReferentialAliases() throws IOException, NoSuchBuildTargetException {
BuildTargetParser parser = EasyMock.createMock(BuildTargetParser.class);
EasyMock.expect(parser.parse("//java/com/example:foo", ParseContext.fullyQualified()))
.andReturn(BuildTargetFactory.newInstance("//java/com/example:foo"));
EasyMock.expect(parser.parse("//java/com/example:bar", ParseContext.fullyQualified()))
.andReturn(BuildTargetFactory.newInstance("//java/com/example:bar"));
EasyMock.replay(parser);
Reader reader =
new StringReader(
Joiner.on('\n')
.join(
"[alias]",
"foo = //java/com/example:foo",
"bar = //java/com/example:bar",
"foo_codename = foo",
"",
"# Do not delete these: automation builds require these aliases to exist!",
"automation_foo = foo_codename",
"automation_bar = bar"));
BuckConfig config = createWithDefaultFilesystem(reader, parser);
assertEquals("//java/com/example:foo", config.getBuildTargetForAlias("foo"));
assertEquals("//java/com/example:bar", config.getBuildTargetForAlias("bar"));
assertEquals("//java/com/example:foo", config.getBuildTargetForAlias("foo_codename"));
assertEquals("//java/com/example:foo", config.getBuildTargetForAlias("automation_foo"));
assertEquals("//java/com/example:bar", config.getBuildTargetForAlias("automation_bar"));
assertNull(config.getBuildTargetForAlias("baz"));
EasyMock.verify(parser);
}
@Test
public void testGetBuildTargetForAlias() throws IOException, NoSuchBuildTargetException {
BuildTargetParser parser = EasyMock.createMock(BuildTargetParser.class);
EasyMock.expect(parser.parse("//java/com/example:foo", ParseContext.fullyQualified()))
.andReturn(BuildTargetFactory.newInstance("//java/com/example:foo"));
EasyMock.expect(parser.parse("//java/com/example:bar", ParseContext.fullyQualified()))
.andReturn(BuildTargetFactory.newInstance("//java/com/example:bar"));
EasyMock.replay(parser);
Reader reader =
new StringReader(
Joiner.on('\n')
.join("[alias]", "foo = //java/com/example:foo", "bar = //java/com/example:bar"));
BuckConfig config = createWithDefaultFilesystem(reader, parser);
assertEquals("//java/com/example:foo", config.getBuildTargetForAlias("foo"));
assertEquals("//java/com/example:bar", config.getBuildTargetForAlias("bar"));
assertNull(
"Invalid alias names, such as build targets, should be tolerated by this method.",
config.getBuildTargetForAlias("//java/com/example:foo"));
assertNull(config.getBuildTargetForAlias("baz"));
Reader noAliasesReader = new StringReader("");
BuckConfig noAliasesConfig = createWithDefaultFilesystem(noAliasesReader, parser);
assertNull(noAliasesConfig.getBuildTargetForAlias("foo"));
assertNull(noAliasesConfig.getBuildTargetForAlias("bar"));
assertNull(noAliasesConfig.getBuildTargetForAlias("baz"));
EasyMock.verify(parser);
}
/**
* Ensure that whichever alias is listed first in the file is the one used in the reverse map if
* the value appears multiple times.
*/
@Test
public void testGetBasePathToAliasMap() throws IOException, NoSuchBuildTargetException {
BuildTargetParser parser = EasyMock.createMock(BuildTargetParser.class);
EasyMock.expect(parser.parse("//java/com/example:fbandroid", ParseContext.fullyQualified()))
.andReturn(BuildTargetFactory.newInstance("//java/com/example:fbandroid"))
.anyTimes();
EasyMock.replay(parser);
Reader reader1 =
new StringReader(
Joiner.on('\n')
.join(
"[alias]",
"fb4a = //java/com/example:fbandroid",
"katana = //java/com/example:fbandroid"));
BuckConfig config1 = createWithDefaultFilesystem(reader1, parser);
assertEquals(ImmutableMap.of("java/com/example", "fb4a"), config1.getBasePathToAliasMap());
assertEquals(
ImmutableMap.of(
"fb4a", "//java/com/example:fbandroid",
"katana", "//java/com/example:fbandroid"),
config1.getEntriesForSection("alias"));
Reader reader2 =
new StringReader(
Joiner.on('\n')
.join(
"[alias]",
"katana = //java/com/example:fbandroid",
"fb4a = //java/com/example:fbandroid"));
BuckConfig config2 = createWithDefaultFilesystem(reader2, parser);
assertEquals(ImmutableMap.of("java/com/example", "katana"), config2.getBasePathToAliasMap());
assertEquals(
ImmutableMap.of(
"fb4a", "//java/com/example:fbandroid",
"katana", "//java/com/example:fbandroid"),
config2.getEntriesForSection("alias"));
Reader noAliasesReader = new StringReader("");
BuckConfig noAliasesConfig = createWithDefaultFilesystem(noAliasesReader, parser);
assertEquals(ImmutableMap.of(), noAliasesConfig.getBasePathToAliasMap());
assertEquals(ImmutableMap.of(), noAliasesConfig.getEntriesForSection("alias"));
EasyMock.verify(parser);
}
@Test
public void testUnresolvedAliasThrows() throws IOException, NoSuchBuildTargetException {
BuildTargetParser parser = EasyMock.createMock(BuildTargetParser.class);
EasyMock.expect(parser.parse("//java/com/example:foo", ParseContext.fullyQualified()))
.andReturn(BuildTargetFactory.newInstance("//java/com/example:foo"));
EasyMock.replay(parser);
Reader reader =
new StringReader(
Joiner.on('\n').join("[alias]", "foo = //java/com/example:foo", "bar = food"));
try {
createWithDefaultFilesystem(reader, parser);
fail("Should have thrown HumanReadableException.");
} catch (HumanReadableException e) {
assertEquals("No alias for: food.", e.getHumanReadableErrorMessage());
}
EasyMock.verify(parser);
}