Support "mandatoryProvidersList" in Skylark and added necessary tests
The type of attribute "providers" now is a list of lists of string. But a list
of string is still supported.
--
MOS_MIGRATED_REVID=115357326
diff --git a/src/test/java/com/google/devtools/build/lib/skylark/SkylarkRuleClassFunctionsTest.java b/src/test/java/com/google/devtools/build/lib/skylark/SkylarkRuleClassFunctionsTest.java
index 4ecfd72..20c9a4c 100644
--- a/src/test/java/com/google/devtools/build/lib/skylark/SkylarkRuleClassFunctionsTest.java
+++ b/src/test/java/com/google/devtools/build/lib/skylark/SkylarkRuleClassFunctionsTest.java
@@ -184,6 +184,27 @@
}
@Test
+ public void testAttrWithProvidersList() throws Exception {
+ Attribute attr =
+ evalAttributeDefinition("attr.label_list(allow_files = True,"
+ + " providers = [['a', 'b'], ['c']])")
+ .build("a1");
+ assertThat(attr.getMandatoryProvidersList()).containsExactly(ImmutableSet.of("a", "b"),
+ ImmutableSet.of("c"));
+ }
+
+ @Test
+ public void testAttrWithWrongProvidersList() throws Exception {
+ checkErrorContains("Illegal argument: element in 'providers' is of unexpected type."
+ + " Should be list of string, but got list with an element of type int.",
+ "attr.label_list(allow_files = True, providers = [['a', 1], ['c']])");
+
+ checkErrorContains("Illegal argument: element in 'providers' is of unexpected type."
+ + " Should be list of string, but got string.",
+ "attr.label_list(allow_files = True, providers = [['a', 'b'], 'c'])");
+ }
+
+ @Test
public void testLabelListWithAspects() throws Exception {
SkylarkAttr.Descriptor attr =
(SkylarkAttr.Descriptor) evalRuleClassCode(