@Test
public void shouldConvertCamelCaseFieldNameToSnakeCaseParameter() {
class Dto {
public String someField;
@Hint(name = "all_this_was_fields")
public String hintedField;
}
String definition = buckPyFunction.toPythonFunction(BuildRuleType.of("case"), new Dto());
assertEquals(
Joiner.on("\n")
.join(
"@provide_for_build",
"def case(name, all_this_was_fields, some_field, visibility=[], build_env=None):",
" add_rule({",
" 'buck.type' : 'case',",
" 'name' : name,",
" 'hintedField' : all_this_was_fields,",
" 'someField' : some_field,",
" 'visibility' : visibility,",
" }, build_env)",
"",
""),
definition);
}
@Test
public void optionalFieldsAreListedAfterMandatoryOnes() {
class Either {
// Alphabetical ordering is deliberate.
public Optional<String> cat;
public String dog;
public Optional<String> egg;
public String fake;
}
String definition = buckPyFunction.toPythonFunction(BuildRuleType.of("either"), new Either());
assertEquals(
Joiner.on("\n")
.join(
"@provide_for_build",
"def either(name, dog, fake, cat=None, egg=None, visibility=[], build_env=None):",
" add_rule({",
" 'buck.type' : 'either',",
" 'name' : name,",
" 'dog' : dog,",
" 'fake' : fake,",
" 'cat' : cat,",
" 'egg' : egg,",
" 'visibility' : visibility,",
" }, build_env)",
"",
""),
definition);
}
@Test(expected = HumanReadableException.class)
public void visibilityOptionsMustNotBeSetAsTheyArePassedInBuildRuleParamsLater() {
class Visible {
public Set<BuildTargetPattern> visibility;
}
buckPyFunction.toPythonFunction(BuildRuleType.of("nope"), new Visible());
}
@Test(expected = HumanReadableException.class)
public void theNameFieldMustBeAString() {
class BadName {
public int name;
}
buckPyFunction.toPythonFunction(BuildRuleType.of("nope"), new BadName());
}
@Test
public void visibilityWillBeAddedIfMissing() {
class NoVis {
public String random;
}
String definition = buckPyFunction.toPythonFunction(BuildRuleType.of("bad"), new NoVis());
assertTrue(definition.contains("visibility=[]"));
}
@Test
public void nameWillBeAddedIfMissing() {
class NoName {
public String random;
}
String definition = buckPyFunction.toPythonFunction(BuildRuleType.of("bad"), new NoName());
assertTrue(definition.contains("name"));
}
@Test
public void optionalBooleanValuesShouldBeRepresentedByNone() {
class Dto {
public Optional<Boolean> field;
}
String definition = buckPyFunction.toPythonFunction(BuildRuleType.of("boolean"), new Dto());
assertTrue(definition, definition.contains(", field=None,"));
}
@Test
public void optionalFieldsAreGivenSensibleDefaultValues() {
class LotsOfOptions {
public Optional<String> thing;
public Optional<List<BuildTarget>> targets;
public Optional<Integer> version;
}
String definition =
buckPyFunction.toPythonFunction(BuildRuleType.of("optional"), new LotsOfOptions());
assertTrue(definition, definition.contains("targets=[], thing=None, version=None"));
}
@Test
public void shouldOnlyIncludeTheNameFieldOnce() {
class Named {
public String name;
}
String definition = buckPyFunction.toPythonFunction(BuildRuleType.of("named"), new Named());
assertEquals(
Joiner.on("\n")
.join(
"@provide_for_build",
"def named(name, visibility=[], build_env=None):",
" add_rule({",
" 'buck.type' : 'named',",
" 'name' : name,",
" 'visibility' : visibility,",
" }, build_env)",
"",
""),
definition);
}
@Test
public void testHasDefaultName() {
@TargetName(name = "lollerskates")
class NoName {
public String foobar;
}
String definition = buckPyFunction.toPythonFunction(BuildRuleType.of("noname"), new NoName());
assertEquals(
Joiner.on("\n")
.join(
"@provide_for_build",
"def noname(foobar, visibility=[], build_env=None):",
" add_rule({",
" 'buck.type' : 'noname',",
" 'name' : 'lollerskates',",
" 'foobar' : foobar,",
" 'visibility' : visibility,",
" }, build_env)",
"",
""),
definition);
}