Description redacted.
--
MOS_MIGRATED_REVID=99181437

src/main/java/com/google/devtools/build/lib/analysis/RuleConfiguredTarget.java

diff --git a/src/main/java/com/google/devtools/build/lib/analysis/RuleConfiguredTarget.java b/src/main/java/com/google/devtools/build/lib/analysis/RuleConfiguredTarget.java
index ab90da5..6ba6f1e 100644
--- a/src/main/java/com/google/devtools/build/lib/analysis/RuleConfiguredTarget.java
+++ b/src/main/java/com/google/devtools/build/lib/analysis/RuleConfiguredTarget.java
@@ -201,6 +201,13 @@
     public ImmutableCollection<String> getKeys() {
       return skylarkProviders.keySet();
     }
+
+    /**
+     * Returns a Skylark provider; "key" must be one from {@link #getKeys()}.
+     */
+    public Object getValue(String key) {
+      return skylarkProviders.get(key);
+    }
   }
 
   @Override

src/test/java/com/google/devtools/build/lib/analysis/util/BuildViewTestCase.java

diff --git a/src/test/java/com/google/devtools/build/lib/analysis/util/BuildViewTestCase.java b/src/test/java/com/google/devtools/build/lib/analysis/util/BuildViewTestCase.java
index 45fe788..453815f 100644
--- a/src/test/java/com/google/devtools/build/lib/analysis/util/BuildViewTestCase.java
+++ b/src/test/java/com/google/devtools/build/lib/analysis/util/BuildViewTestCase.java
@@ -907,7 +907,7 @@
   protected Artifact getIncludeArtifact(String packageRelativePath, String owner) {
     return getIncludeArtifact(packageRelativePath, makeLabelAndConfiguration(owner));
   }
-  
+
   /**
    * Gets a derived Artifact for testing in the subdirectory of the {@link
    * BuildConfiguration#getIncludeDirectory()} corresponding to the package of {@code owner}.
@@ -919,7 +919,7 @@
         targetConfig.getIncludeDirectory(),
         owner);
   }
-  
+
   /**
    * @return a shared artifact at the binary-root relative path {@code rootRelativePath} owned by
    *         {@code owner}.
@@ -931,7 +931,7 @@
     return getDerivedArtifact(new PathFragment(rootRelativePath), targetConfig.getBinDirectory(),
         new ConfiguredTargetKey(owner));
   }
-  
+
   protected Action getGeneratingActionForLabel(String label) throws Exception {
     return getGeneratingAction(getFileConfiguredTarget(label).getArtifact());
   }
@@ -1326,6 +1326,10 @@
           StringUtil.joinEnglishList(ImmutableSet.copyOf(expected), "or", "'"), value);
   }
 
+  protected String getErrorMsgMandatoryProviderMissing(String offendingRule, String providerName) {
+    return String.format("'%s' does not have mandatory provider '%s'", offendingRule, providerName);
+  }
+
   /**
    * A stub analysis environment.
    */
@@ -1456,7 +1460,7 @@
 
     return artifact;
   }
-  
+
   /**
    * Retrieves an instance of {@code PseudoAction} that is shadowed by an extra action
    * @param targetLabel Label of the target with an extra action