commit e6ab3c41a06d5ed418c57d85bfe3ea049bb2f8ca
author laurentlb <laurentlb@google.com> Mon Jul 01 10:43:57 2019 -0700
committer Copybara-Service <copybara-worker@google.com> Mon Jul 01 10:45:04 2019 -0700
tree ef99bb0dd47d3028b1cb26384b64712bd4cb4658
parent 6748ccb7d24363ccf42dfba26bd694dfecd7f179

Introduce flag --incompatible_restrict_attribute_names

When the flag is enabled, attribute names must be syntactically valid identifiers. For example, they cannot contain special characters.

Fixes https://github.com/bazelbuild/bazel/issues/6437

RELNOTES: Attribute names are going to be restricted and must be syntactically valid identifiers. https://github.com/bazelbuild/bazel/issues/6437
PiperOrigin-RevId: 255986287

src/test/java/com/google/devtools/build/lib/skylark/SkylarkRuleClassFunctionsTest.java

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 91b5427..54ca283 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
@@ -198,6 +198,46 @@
   }
 
   @Test
+  public void testAttrNameSpecialCharactersAreForbidden() throws Exception {
+    ev =
+        createEvaluationTestCase(
+            StarlarkSemantics.DEFAULT_SEMANTICS.toBuilder()
+                .incompatibleRestrictAttributeNames(true)
+                .build());
+    ev.initialize();
+
+    ev.setFailFast(false);
+    evalAndExport("def impl(ctx): return", "r = rule(impl, attrs = {'ab$c': attr.int()})");
+    ev.assertContainsError("attribute name `ab$c` is not a valid identfier");
+  }
+
+  @Test
+  public void testAttrNameCannotStartWithDigit() throws Exception {
+    ev =
+        createEvaluationTestCase(
+            StarlarkSemantics.DEFAULT_SEMANTICS.toBuilder()
+                .incompatibleRestrictAttributeNames(true)
+                .build());
+    ev.initialize();
+
+    ev.setFailFast(false);
+    evalAndExport("def impl(ctx): return", "r = rule(impl, attrs = {'2_foo': attr.int()})");
+    ev.assertContainsError("attribute name `2_foo` is not a valid identfier");
+  }
+
+  @Test
+  public void testAttrNameSpecialCharactersLegacy() throws Exception {
+    ev =
+        createEvaluationTestCase(
+            StarlarkSemantics.DEFAULT_SEMANTICS.toBuilder()
+                .incompatibleRestrictAttributeNames(false)
+                .build());
+    ev.initialize();
+
+    evalAndExport("def impl(ctx): return", "r = rule(impl, attrs = {'ab$c': attr.int()})");
+  }
+
+  @Test
   public void testDisableDeprecatedParams() throws Exception {
     ev =
         createEvaluationTestCase(