Examples with SkyValue com.google.devtools.build.skyframe.SkyValue used on opensource projects

Example 66 with SkyValue

use of com.google.devtools.build.skyframe.SkyValue in project bazel by bazelbuild.

the class FileFunctionTest method assertChangesIfChanges.

/**
   * Asserts that if the contents of {@code changedPathString} changes, then the FileValue
   * corresponding to {@code pathString} will change. Returns the paths of all files seen. Not meant
   * to be called directly by tests.
   */
private Set<RootedPath> assertChangesIfChanges(String changedPathString, boolean isFile, boolean changes, String pathString) throws Exception {
    SequentialBuildDriver driver = makeDriver();
    SkyKey key = skyKey(pathString);
    EvaluationResult<SkyValue> result;
    result = driver.evaluate(ImmutableList.of(key), false, DEFAULT_THREAD_COUNT, NullEventHandler.INSTANCE);
    if (result.hasError()) {
        fail(String.format("Evaluation error for %s: %s", key, result.getError()));
    }
    SkyValue oldValue = result.get(key);
    Pair<ImmutableList<String>, Runnable> changeResult = change(changedPathString, isFile);
    ImmutableList<String> changedPathStrings = changeResult.first;
    Runnable undoCallback = changeResult.second;
    differencer.invalidate(Iterables.transform(changedPathStrings, new Function<String, SkyKey>() {

        @Override
        public SkyKey apply(String input) {
            return fileStateSkyKey(input);
        }
    }));
    result = driver.evaluate(ImmutableList.of(key), false, DEFAULT_THREAD_COUNT, NullEventHandler.INSTANCE);
    if (result.hasError()) {
        fail(String.format("Evaluation error for %s: %s", key, result.getError()));
    }
    SkyValue newValue = result.get(key);
    assertTrue(String.format("Changing the contents of %s %s should%s change the value for file %s.", isFile ? "file" : "directory", changedPathString, changes ? "" : " not", pathString), changes != newValue.equals(oldValue));
    // Restore the original file.
    undoCallback.run();
    return filesSeen(driver.getGraphForTesting());
}