1 files changed, 96 insertions, 0 deletions
diff --git a/src/test/java/com/google/devtools/build/lib/packages/EnvironmentGroupTest.java b/src/test/java/com/google/devtools/build/lib/packages/EnvironmentGroupTest.java
new file mode 100644
index 0000000000..60629d806e
--- /dev/null
+++ b/src/test/java/com/google/devtools/build/lib/packages/EnvironmentGroupTest.java
@@ -0,0 +1,96 @@
+// Copyright 2015 The Bazel Authors. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+package com.google.devtools.build.lib.packages;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import com.google.common.collect.ImmutableSet;
+import com.google.devtools.build.lib.cmdline.Label;
+import com.google.devtools.build.lib.cmdline.PackageIdentifier;
+import com.google.devtools.build.lib.packages.util.PackageLoadingTestCase;
+import com.google.devtools.build.lib.testutil.TestRuleClassProvider;
+import com.google.devtools.build.lib.vfs.Path;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+/**
+ * Tests for {@link EnvironmentGroup}. Note input validation is handled in
+ * {@link PackageFactoryTest}.
+ */
+@RunWith(JUnit4.class)
+public class EnvironmentGroupTest extends PackageLoadingTestCase {
+
+  private Package pkg;
+  private EnvironmentGroup group;
+
+  @Before
+  @Override
+  public void setUp() throws Exception {
+    super.setUp();
+
+    Path buildfile =
+        scratch.file(
+            "pkg/BUILD",
+            "environment(name='foo', fulfills = [':bar', ':baz'])",
+            "environment(name='bar', fulfills = [':baz'])",
+            "environment(name='baz')",
+            "environment(name='not_in_group')",
+            "environment_group(",
+            "    name = 'group',",
+            "    environments = [':foo', ':bar', ':baz'],",
+            "    defaults = [':foo'],",
+            ")");
+    PackageFactory pkgFactory = new PackageFactory(TestRuleClassProvider.getRuleClassProvider());
+    pkg =
+        pkgFactory.createPackageForTesting(
+            PackageIdentifier.createInDefaultRepo("pkg"), buildfile, getPackageManager(), reporter);
+
+    group = (EnvironmentGroup) pkg.getTarget("group");
+  }
+
+  @Test
+  public void testGroupMembership() throws Exception {
+    assertEquals(
+        ImmutableSet.of(
+            Label.parseAbsolute("//pkg:foo"),
+            Label.parseAbsolute("//pkg:bar"),
+            Label.parseAbsolute("//pkg:baz")),
+        group.getEnvironments());
+  }
+
+  @Test
+  public void testDefaultsMembership() throws Exception {
+    assertEquals(ImmutableSet.of(Label.parseAbsolute("//pkg:foo")), group.getDefaults());
+  }
+
+  @Test
+  public void testIsDefault() throws Exception {
+    assertTrue(group.isDefault(Label.parseAbsolute("//pkg:foo")));
+    assertFalse(group.isDefault(Label.parseAbsolute("//pkg:bar")));
+    assertFalse(group.isDefault(Label.parseAbsolute("//pkg:baz")));
+    assertFalse(group.isDefault(Label.parseAbsolute("//pkg:not_in_group")));
+  }
+
+  @Test
+  public void testFulfillers() throws Exception {
+    assertThat(group.getFulfillers(Label.parseAbsolute("//pkg:baz")))
+        .containsExactly(Label.parseAbsolute("//pkg:foo"), Label.parseAbsolute("//pkg:bar"));
+    assertThat(group.getFulfillers(Label.parseAbsolute("//pkg:bar")))
+        .containsExactly(Label.parseAbsolute("//pkg:foo"));
+    assertThat(group.getFulfillers(Label.parseAbsolute("//pkg:foo"))).isEmpty();
+  }
+}