From 9178bc24fa36ae58878ae67d214c1d4736fe464c Mon Sep 17 00:00:00 2001
From: Laurent Le Brun <laurentlb@google.com>
Date: Fri, 19 Jun 2015 16:00:34 +0000
Subject: Skylark: Test rules are implictly executable.

--
MOS_MIGRATED_REVID=96407941
---
 .../google/devtools/build/lib/rules/SkylarkRuleClassFunctions.java  | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'src/main/java/com/google/devtools/build/lib/rules/SkylarkRuleClassFunctions.java')

diff --git a/src/main/java/com/google/devtools/build/lib/rules/SkylarkRuleClassFunctions.java b/src/main/java/com/google/devtools/build/lib/rules/SkylarkRuleClassFunctions.java
index 457bbfb149..b0ffbc6892 100644
--- a/src/main/java/com/google/devtools/build/lib/rules/SkylarkRuleClassFunctions.java
+++ b/src/main/java/com/google/devtools/build/lib/rules/SkylarkRuleClassFunctions.java
@@ -190,7 +190,8 @@ public class SkylarkRuleClassFunctions {
       optionalPositionals = {
         @Param(name = "test", type = Boolean.class, defaultValue = "False",
             doc = "Whether this rule is a test rule. "
-            + "If True, the rule must end with <code>_test</code> (otherwise it cannot)."),
+            + "If True, the rule must end with <code>_test</code> (otherwise it cannot), "
+            + "and there must be an action that generates <code>ctx.outputs.executable</code>."),
         @Param(name = "attrs", type = Map.class, noneable = true, defaultValue = "None", doc =
             "dictionary to declare all the attributes of the rule. It maps from an attribute name "
             + "to an attribute object (see <a href=\"#modules.attr\">attr</a> module). "
@@ -215,6 +216,7 @@ public class SkylarkRuleClassFunctions {
             doc = "If true, the files will be generated in the genfiles directory instead of the "
             + "bin directory. This is used for compatibility with existing rules.")},
       useAst = true, useEnvironment = true)
+  @SuppressWarnings("unused")  // used via reflection.
   private static final BuiltinFunction rule = new BuiltinFunction("rule") {
       @SuppressWarnings({"rawtypes", "unchecked"}) // castMap produces
       // an Attribute.Builder instead of a Attribute.Builder<?> but it's OK.
@@ -240,7 +242,7 @@ public class SkylarkRuleClassFunctions {
             builder.addOrOverrideAttribute(attrBuilder.build(attrName));
           }
         }
-        if (executable) {
+        if (executable || test) {
           builder.addOrOverrideAttribute(
               attr("$is_executable", BOOLEAN).value(true)
               .nonconfigurable("Called from RunCommand.isExecutable, which takes a Target")
-- 
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