1 files changed, 157 insertions, 0 deletions
diff --git a/src/test/java/com/google/devtools/build/lib/util/OptionsUtilsTest.java b/src/test/java/com/google/devtools/build/lib/util/OptionsUtilsTest.java
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+++ b/src/test/java/com/google/devtools/build/lib/util/OptionsUtilsTest.java
@@ -0,0 +1,157 @@
+// Copyright 2014 Google Inc. 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.util;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.fail;
+
+import com.google.common.collect.Lists;
+import com.google.devtools.build.lib.util.OptionsUtils.PathFragmentListConverter;
+import com.google.devtools.build.lib.vfs.PathFragment;
+import com.google.devtools.common.options.Option;
+import com.google.devtools.common.options.OptionPriority;
+import com.google.devtools.common.options.OptionsBase;
+import com.google.devtools.common.options.OptionsParser;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+import java.util.Arrays;
+import java.util.List;
+
+/**
+ * Test for {@link OptionsUtils}.
+ */
+@RunWith(JUnit4.class)
+public class OptionsUtilsTest {
+
+  public static class IntrospectionExample extends OptionsBase {
+    @Option(name = "alpha",
+            category = "one",
+            defaultValue = "alpha")
+    public String alpha;
+
+    @Option(name = "beta",
+            category = "one",
+            defaultValue = "beta")
+    public String beta;
+
+    @Option(name = "gamma",
+            category = "undocumented",
+            defaultValue = "gamma")
+    public String gamma;
+
+    @Option(name = "delta",
+            category = "undocumented",
+            defaultValue = "delta")
+    public String delta;
+
+    @Option(name = "echo",
+            category = "hidden",
+            defaultValue = "echo")
+    public String echo;
+  }
+
+  @Test
+  public void asStringOfExplicitOptions() throws Exception {
+    OptionsParser parser = OptionsParser.newOptionsParser(IntrospectionExample.class);
+    parser.parse("--alpha=no", "--gamma=no", "--echo=no");
+    assertEquals("--alpha=no --gamma=no", OptionsUtils.asShellEscapedString(parser));
+  }
+
+  @Test
+  public void asStringOfExplicitOptionsCorrectSortingByPriority() throws Exception {
+    OptionsParser parser = OptionsParser.newOptionsParser(IntrospectionExample.class);
+    parser.parse(OptionPriority.COMMAND_LINE, null, Arrays.asList("--alpha=no"));
+    parser.parse(OptionPriority.COMPUTED_DEFAULT, null, Arrays.asList("--beta=no"));
+    assertEquals("--beta=no --alpha=no", OptionsUtils.asShellEscapedString(parser));
+  }
+
+  public static class BooleanOpts extends OptionsBase {
+    @Option(name = "b_one",
+        category = "xyz",
+        defaultValue = "true")
+    public boolean bOne;
+
+    @Option(name = "b_two",
+        category = "123", // Not printed in usage messages!
+        defaultValue = "false")
+    public boolean bTwo;
+  }
+
+  @Test
+  public void asStringOfExplicitOptionsWithBooleans() throws Exception {
+    OptionsParser parser = OptionsParser.newOptionsParser(BooleanOpts.class);
+    parser.parse(OptionPriority.COMMAND_LINE, null, Arrays.asList("--b_one", "--nob_two"));
+    assertEquals("--b_one --nob_two", OptionsUtils.asShellEscapedString(parser));
+
+    parser = OptionsParser.newOptionsParser(BooleanOpts.class);
+    parser.parse(OptionPriority.COMMAND_LINE, null, Arrays.asList("--b_one=true", "--b_two=0"));
+    assertTrue(parser.getOptions(BooleanOpts.class).bOne);
+    assertFalse(parser.getOptions(BooleanOpts.class).bTwo);
+    assertEquals("--b_one --nob_two", OptionsUtils.asShellEscapedString(parser));
+  }
+
+  @Test
+  public void asStringOfExplicitOptionsMultipleOptionsAreMultipleTimes() throws Exception {
+    OptionsParser parser = OptionsParser.newOptionsParser(IntrospectionExample.class);
+    parser.parse(OptionPriority.COMMAND_LINE, null, Arrays.asList("--alpha=one"));
+    parser.parse(OptionPriority.COMMAND_LINE, null, Arrays.asList("--alpha=two"));
+    assertEquals("--alpha=one --alpha=two", OptionsUtils.asShellEscapedString(parser));
+  }
+
+  private static List<PathFragment> list(PathFragment... fragments) {
+    return Lists.newArrayList(fragments);
+  }
+
+  private PathFragment fragment(String string) {
+    return new PathFragment(string);
+  }
+
+  private List<PathFragment> convert(String input) throws Exception {
+    return new PathFragmentListConverter().convert(input);
+  }
+
+  @Test
+  public void emptyStringYieldsEmptyList() throws Exception {
+    assertEquals(list(), convert(""));
+  }
+
+  @Test
+  public void lonelyDotYieldsLonelyDot() throws Exception {
+    assertEquals(list(fragment(".")), convert("."));
+  }
+
+  @Test
+  public void converterSkipsEmptyStrings() throws Exception {
+    assertEquals(list(fragment("foo"), fragment("bar")), convert("foo::bar:"));
+  }
+
+  @Test
+  public void multiplePaths() throws Exception {
+    assertEquals(list(fragment("foo"), fragment("/bar/baz"), fragment("."),
+                 fragment("/tmp/bang")), convert("foo:/bar/baz:.:/tmp/bang"));
+  }
+
+  @Test
+  public void valueisUnmodifiable() throws Exception {
+    try {
+      new PathFragmentListConverter().convert("value").add(new PathFragment("other"));
+      fail("could modify value");
+    } catch (UnsupportedOperationException expected) {}
+  }
+}