Open source apple-package java tests

RELNOTES: None.
PiperOrigin-RevId: 164755768

5 files changed, 361 insertions, 1 deletions

diff --git a/src/test/java/com/google/devtools/build/lib/BUILD b/src/test/java/com/google/devtools/build/lib/BUILD
index 1f364f2a13..8e55f839ff 100644
--- a/src/test/java/com/google/devtools/build/lib/BUILD
+++ b/src/test/java/com/google/devtools/build/lib/BUILD
@@ -37,6 +37,7 @@ filegroup(
         "//src/test/java/com/google/devtools/build/lib/skylark:srcs",
         "//src/test/java/com/google/devtools/build/lib/skyframe:srcs",
         "//src/test/java/com/google/devtools/build/lib/rules/android:srcs",
+        "//src/test/java/com/google/devtools/build/lib/rules/apple:srcs",
         "//src/test/java/com/google/devtools/build/lib/rules/config:srcs",
         "//src/test/java/com/google/devtools/build/lib/analysis/featurecontrol:srcs",
         "//src/test/java/com/google/devtools/build/lib/analysis/platform:srcs",
@@ -589,7 +590,10 @@ java_library(
     srcs = glob([
         "packages/util/*.java",
     ]),
-    resources = ["packages/util/MOCK_ANDROID_CROSSTOOL"],
+    resources = [
+        "packages/util/MOCK_ANDROID_CROSSTOOL",
+        "packages/util/MOCK_OSX_CROSSTOOL",
+    ],
     deps = [
         ":foundations_testutil",
         ":testutil",
diff --git a/src/test/java/com/google/devtools/build/lib/rules/apple/BUILD b/src/test/java/com/google/devtools/build/lib/rules/apple/BUILD
new file mode 100644
index 0000000000..2b85ae5bff
--- /dev/null
+++ b/src/test/java/com/google/devtools/build/lib/rules/apple/BUILD
@@ -0,0 +1,30 @@
+filegroup(
+    name = "srcs",
+    srcs = glob(["**"]),
+    visibility = ["//src/test/java/com/google/devtools/build/lib:__pkg__"],
+)
+
+java_library(
+    name = "AppleRulesTests_lib",
+    srcs = glob(["*.java"]),
+    deps = [
+        "//src/main/java/com/google/devtools/build/lib:build-base",
+        "//src/main/java/com/google/devtools/build/lib/rules/apple",
+        "//src/test/java/com/google/devtools/build/lib:analysis_testutil",
+        "//third_party:guava",
+        "//third_party:guava-testlib",
+        "//third_party:jsr305",
+        "//third_party:junit4",
+        "//third_party:truth",
+    ],
+)
+
+java_test(
+    name = "AppleRulesTests",
+    test_class = "com.google.devtools.build.lib.AllTests",
+    runtime_deps = [
+        ":AppleRulesTests_lib",
+        "//src/main/java/com/google/devtools/build/lib:util",
+        "//src/test/java/com/google/devtools/build/lib:testutil",
+    ],
+)
diff --git a/src/test/java/com/google/devtools/build/lib/rules/apple/ComparatorTester.java b/src/test/java/com/google/devtools/build/lib/rules/apple/ComparatorTester.java
new file mode 100644
index 0000000000..f90a969873
--- /dev/null
+++ b/src/test/java/com/google/devtools/build/lib/rules/apple/ComparatorTester.java
@@ -0,0 +1,129 @@
+// Copyright 2017 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.rules.apple;
+
+import static com.google.common.truth.Truth.assertThat;
+import static org.junit.Assert.fail;
+
+import com.google.common.base.Preconditions;
+import com.google.common.collect.ImmutableList;
+import java.util.ArrayList;
+import java.util.Comparator;
+import java.util.List;
+import javax.annotation.Nullable;
+
+/**
+ * Tests that a given comparator (or the implementation of {@link Comparable}) is correct. To use,
+ * repeatedly call {@link #addEqualityGroup(Object...)} with sets of objects that should be equal.
+ * The calls to {@link #addEqualityGroup(Object...)} must be made in sorted order. Then call {@link
+ * #testCompare()} to test the comparison. For example:
+ *
+ * <pre>{@code
+ * new ComparatorTester()
+ *     .addEqualityGroup(1)
+ *     .addEqualityGroup(2)
+ *     .addEqualityGroup(3)
+ *     .testCompare();
+ * }</pre>
+ */
+public class ComparatorTester {
+  @SuppressWarnings({"unchecked", "rawtypes"})
+  private final @Nullable Comparator comparator;
+
+  /** The items that we are checking, stored as a sorted set of equivalence classes. */
+  private final List<List<Object>> equalityGroups;
+
+  /**
+   * Creates a new instance that tests the order of objects using the natural order (as defined by
+   * {@link Comparable}).
+   */
+  public ComparatorTester() {
+    this(null);
+  }
+
+  /**
+   * Creates a new instance that tests the order of objects using the given comparator. Or, if the
+   * comparator is {@code null}, the natural ordering (as defined by {@link Comparable})
+   */
+  public ComparatorTester(@Nullable Comparator<?> comparator) {
+    this.equalityGroups = new ArrayList<>();
+    this.comparator = comparator;
+  }
+
+  /**
+   * Adds a set of objects to the test which should all compare as equal. All of the elements in
+   * {@code objects} must be greater than any element of {@code objects} in a previous call to
+   * {@link #addEqualityGroup(Object...)}.
+   *
+   * @return {@code this} (to allow chaining of calls)
+   */
+  public ComparatorTester addEqualityGroup(Object... objects) {
+    Preconditions.checkNotNull(objects);
+    Preconditions.checkArgument(objects.length > 0, "Array must not be empty");
+    equalityGroups.add(ImmutableList.copyOf(objects));
+    return this;
+  }
+
+  @SuppressWarnings({"unchecked", "rawtypes"})
+  private int compare(Object a, Object b) {
+    int compareValue;
+    if (comparator == null) {
+      compareValue = ((Comparable) a).compareTo(b);
+    } else {
+      compareValue = comparator.compare(a, b);
+    }
+    return compareValue;
+  }
+
+  public final void testCompare() {
+    for (int referenceIndex = 0; referenceIndex < equalityGroups.size(); referenceIndex++) {
+      for (Object reference : equalityGroups.get(referenceIndex)) {
+        testNullCompare(reference);
+        testClassCast(reference);
+        for (int otherIndex = 0; otherIndex < equalityGroups.size(); otherIndex++) {
+          for (Object other : equalityGroups.get(otherIndex)) {
+            assertThat(compare(reference, other))
+                .isEqualTo(Integer.compare(referenceIndex, otherIndex));
+          }
+        }
+      }
+    }
+  }
+
+  private void testNullCompare(Object obj) {
+    // Comparator does not require any specific behavior for null.
+    if (comparator == null) {
+      try {
+        compare(obj, null);
+        fail("Expected NullPointerException in " + obj + ".compare(null)");
+      } catch (NullPointerException expected) {
+      }
+    }
+  }
+
+  @SuppressWarnings("unchecked")
+  private void testClassCast(Object obj) {
+    if (comparator == null) {
+      try {
+        compare(obj, ICanNotBeCompared.INSTANCE);
+        fail("Expected ClassCastException in " + obj + ".compareTo(otherObject)");
+      } catch (ClassCastException expected) {
+      }
+    }
+  }
+
+  private static final class ICanNotBeCompared {
+    static final ComparatorTester.ICanNotBeCompared INSTANCE = new ICanNotBeCompared();
+  }
+}
diff --git a/src/test/java/com/google/devtools/build/lib/rules/apple/DottedVersionTest.java b/src/test/java/com/google/devtools/build/lib/rules/apple/DottedVersionTest.java
new file mode 100644
index 0000000000..dbcf87af2a
--- /dev/null
+++ b/src/test/java/com/google/devtools/build/lib/rules/apple/DottedVersionTest.java
@@ -0,0 +1,133 @@
+// Copyright 2017 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.rules.apple;
+
+import static com.google.common.truth.Truth.assertThat;
+import static org.junit.Assert.fail;
+
+import com.google.common.testing.EqualsTester;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+/**
+ * Tests for {@link DottedVersion}.
+ */
+@RunWith(JUnit4.class)
+public class DottedVersionTest {
+
+  @Test
+  public void testCompareTo() throws Exception {
+    new ComparatorTester()
+        .addEqualityGroup(DottedVersion.fromString("0"), DottedVersion.fromString("0.0.0"))
+        .addEqualityGroup(DottedVersion.fromString("0.1"), DottedVersion.fromString("0.01"))
+        .addEqualityGroup(DottedVersion.fromString("0.2"), DottedVersion.fromString("0.2.0"))
+        .addEqualityGroup(DottedVersion.fromString("0.2.1"))
+        .addEqualityGroup(DottedVersion.fromString("1.2alpha"))
+        .addEqualityGroup(DottedVersion.fromString("1.2alpha1"))
+        .addEqualityGroup(DottedVersion.fromString("1.2alpha2"))
+        .addEqualityGroup(DottedVersion.fromString("1.2beta1"))
+        .addEqualityGroup(DottedVersion.fromString("1.2beta12"))
+        .addEqualityGroup(DottedVersion.fromString("1.2beta12.1"))
+        .addEqualityGroup(DottedVersion.fromString("1.2.0"), DottedVersion.fromString("1.2"))
+        .addEqualityGroup(DottedVersion.fromString("1.20"))
+        .testCompare();
+  }
+
+  @Test
+  public void testEquals() throws Exception {
+    new EqualsTester()
+        .addEqualityGroup(DottedVersion.fromString("0"), DottedVersion.fromString("0.0.0"))
+        .addEqualityGroup(DottedVersion.fromString("0.1"), DottedVersion.fromString("0.01"))
+        .addEqualityGroup(DottedVersion.fromString("0.2"), DottedVersion.fromString("0.2.0"))
+        .addEqualityGroup(DottedVersion.fromString("1.2xy2"), DottedVersion.fromString("1.2xy2"))
+        .addEqualityGroup(
+            DottedVersion.fromString("1.2x"),
+            DottedVersion.fromString("1.2x0"),
+            DottedVersion.fromString("1.2x0.0"))
+        .testEquals();
+  }
+
+  @Test
+  public void testToStringWithMinimumComponent() throws Exception {
+    DottedVersion dottedVersion = DottedVersion.fromString("42.8");
+    assertThat(dottedVersion.toStringWithMinimumComponents(0)).isEqualTo("42.8");
+    assertThat(dottedVersion.toStringWithMinimumComponents(1)).isEqualTo("42.8");
+    assertThat(dottedVersion.toStringWithMinimumComponents(2)).isEqualTo("42.8");
+    assertThat(dottedVersion.toStringWithMinimumComponents(3)).isEqualTo("42.8.0");
+    assertThat(dottedVersion.toStringWithMinimumComponents(4)).isEqualTo("42.8.0.0");
+  }
+
+  @Test
+  public void testToStringWithMinimumComponent_trailingZero() throws Exception {
+    DottedVersion dottedVersion = DottedVersion.fromString("4.3alpha3.0");
+    assertThat(dottedVersion.toStringWithMinimumComponents(0)).isEqualTo("4.3alpha3.0");
+    assertThat(dottedVersion.toStringWithMinimumComponents(1)).isEqualTo("4.3alpha3.0");
+    assertThat(dottedVersion.toStringWithMinimumComponents(2)).isEqualTo("4.3alpha3.0");
+    assertThat(dottedVersion.toStringWithMinimumComponents(3)).isEqualTo("4.3alpha3.0");
+    assertThat(dottedVersion.toStringWithMinimumComponents(4)).isEqualTo("4.3alpha3.0.0");
+    assertThat(dottedVersion.toStringWithMinimumComponents(5)).isEqualTo("4.3alpha3.0.0.0");
+  }
+
+  @Test
+  public void testToStringWithMinimumComponents_zeroComponent() throws Exception {
+    DottedVersion zeroComponent = DottedVersion.fromString("0");
+    assertThat(zeroComponent.toStringWithMinimumComponents(0)).isEqualTo("0");
+    assertThat(zeroComponent.toStringWithMinimumComponents(1)).isEqualTo("0");
+    assertThat(zeroComponent.toStringWithMinimumComponents(2)).isEqualTo("0.0");
+    assertThat(zeroComponent.toStringWithMinimumComponents(3)).isEqualTo("0.0.0");
+  }
+
+  @Test
+  public void testIllegalVersion_noLeadingInteger() throws Exception {
+    try {
+      DottedVersion.fromString("a");
+      fail("Expected IllegalArgumentException");
+    } catch (IllegalArgumentException expected) {
+      assertThat(expected).hasMessageThat().contains("a");
+    }
+  }
+
+  @Test
+  public void testIllegalVersion_empty() throws Exception {
+    try {
+      DottedVersion.fromString("");
+      fail("Expected IllegalArgumentException");
+    } catch (IllegalArgumentException expected) {}
+  }
+
+  @Test
+  public void testIllegalVersion_punctuation() throws Exception {
+    try {
+      DottedVersion.fromString("2:3");
+      fail("Expected IllegalArgumentException");
+    } catch (IllegalArgumentException expected) {}
+  }
+
+  @Test
+  public void testIllegalVersion_emptyComponent() throws Exception {
+    try {
+      DottedVersion.fromString("1..3");
+      fail("Expected IllegalArgumentException");
+    } catch (IllegalArgumentException expected) {}
+  }
+
+  @Test
+  public void testIllegalVersion_negativeComponent() throws Exception {
+    try {
+      DottedVersion.fromString("1.-1");
+      fail("Expected IllegalArgumentException");
+    } catch (IllegalArgumentException expected) {}
+  }
+}
diff --git a/src/test/java/com/google/devtools/build/lib/rules/apple/SwiftConfigurationTest.java b/src/test/java/com/google/devtools/build/lib/rules/apple/SwiftConfigurationTest.java
new file mode 100644
index 0000000000..96b352e4e3
--- /dev/null
+++ b/src/test/java/com/google/devtools/build/lib/rules/apple/SwiftConfigurationTest.java
@@ -0,0 +1,64 @@
+// Copyright 2017 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.rules.apple;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import com.google.devtools.build.lib.analysis.ConfiguredTarget;
+import com.google.devtools.build.lib.analysis.util.BuildViewTestCase;
+import java.util.List;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+/** Tests for Skylark interface to SwiftConfiguration. */
+@RunWith(JUnit4.class)
+public class SwiftConfigurationTest extends BuildViewTestCase {
+  @Test
+  public void testSkylarkApi() throws Exception {
+    scratch.file("examples/rule/BUILD");
+    scratch.file(
+        "examples/rule/apple_rules.bzl",
+        "def swift_binary_impl(ctx):",
+        "   copts = ctx.fragments.swift.copts()",
+        "   wmo = ctx.fragments.swift.enable_whole_module_optimization()",
+        "   return struct(",
+        "      copts=copts,",
+        "      wmo=wmo,",
+        "   )",
+        "swift_binary = rule(",
+        "   implementation = swift_binary_impl,",
+        "   fragments = ['swift']",
+        ")");
+
+    scratch.file("examples/swift_skylark/a.m");
+    scratch.file(
+        "examples/swift_skylark/BUILD",
+        "package(default_visibility = ['//visibility:public'])",
+        "load('/examples/rule/apple_rules', 'swift_binary')",
+        "swift_binary(",
+        "   name='my_target',",
+        ")");
+
+    useConfiguration("--swiftcopt=foo", "--swiftcopt=bar", "--swift_whole_module_optimization");
+    ConfiguredTarget skylarkTarget = getConfiguredTarget("//examples/swift_skylark:my_target");
+
+    @SuppressWarnings("unchecked")
+    List<String> copts = (List<String>) skylarkTarget.get("copts");
+
+    assertThat(copts).containsAllOf("foo", "bar");
+    assertThat((Boolean) skylarkTarget.get("wmo")).isTrue();
+  }
+}