public void TestExecute_places_output_into_OutputDir()
{
using (var tmpDir = new TmpDir()) {
var fooTask = MockBuildTasks.GenerateFile("createFoo", "foo", "42").Object;
Builder.Execute(tmpDir.Path, tmpDir.CreateDir("out"), tmpDir.CreateDir(".bud"), fooTask);
FileAssert.AreEqual(tmpDir.CreateFile("42"), tmpDir.CreatePath("out", "foo"));
}
}
public void TestExecute_executes_the_same_tasks_once()
{
using (var tmpDir = new TmpDir()) {
var fooTaskMock = MockBuildTasks.GenerateFile("createFoo", "foo", "42");
Builder.Execute(tmpDir.Path, tmpDir.CreateDir("out"), tmpDir.CreateDir(".bud"), fooTaskMock.Object);
Builder.Execute(tmpDir.Path, tmpDir.CreateDir("out"), tmpDir.CreateDir(".bud"), fooTaskMock.Object);
VerifyExecutedOnce(fooTaskMock);
}
}
public void TestExecute_name_clash_throws()
{
using (var tmpDir = new TmpDir()) {
var fooTask1 = MockBuildTasks.NoOp("foo").WithSignature("1").Object;
var fooTask2 = MockBuildTasks.NoOp("foo").WithSignature("2").Object;
var exception = Assert.Throws <Exception>(() => Builder.Execute(tmpDir.Path, tmpDir.CreateDir("out"),
tmpDir.CreateDir(".bud"), fooTask1, fooTask2));
Assert.AreEqual("Detected multiple tasks with the name 'foo'. Tasks must have unique names.",
exception.Message);
}
}
public void TestExecute_same_dependencies_are_executed_once()
{
using (var tmpDir = new TmpDir()) {
var fooTaskMock = MockBuildTasks.GenerateFile("createFoo", "foo", "42");
var barTaskMock = MockBuildTasks.GenerateFile("createBar", "bar", "9001",
fooTaskMock.Object, fooTaskMock.Object);
Builder.Execute(tmpDir.Path, tmpDir.CreateDir("out"), tmpDir.CreateDir(".bud"), barTaskMock.Object);
VerifyExecutedOnce(fooTaskMock);
}
}
public void TestExecute_executes_dependencies()
{
using (var tmpDir = new TmpDir()) {
var fooTask = MockBuildTasks.GenerateFile("createFoo", "foo", "42").Object;
var barTask = MockBuildTasks.GenerateFile("createBar", "bar", "9001", fooTask).Object;
Builder.Execute(tmpDir.Path, tmpDir.CreateDir("out"), tmpDir.CreateDir(".bud"), barTask);
FileAssert.AreEqual(tmpDir.CreateFile("42"), tmpDir.CreatePath("out", "foo"));
FileAssert.AreEqual(tmpDir.CreateFile("9001"), tmpDir.CreatePath("out", "bar"));
}
}
public void TestExecute_dependency_results_reference_build_tasks()
{
using (var tmpDir = new TmpDir()) {
var fooTask = MockBuildTasks.NoOp("foo").Object;
var barTask = MockBuildTasks.NoOp("bar", fooTask)
.WithExecuteAction((sourceDir, outputDir, dependencyResults) => {
Assert.AreEqual(new [] { fooTask },
dependencyResults.Select(result => result.BuildTask));
}).Object;
Builder.Execute(tmpDir.Path, tmpDir.CreateDir("out"), tmpDir.CreateDir(".bud"), barTask);
}
}
public void TestExecute_detects_cycles()
{
using (var tmpDir = new TmpDir()) {
var fooTask1 = MockBuildTasks.NoOp("foo1").WithSignature("1");
var fooTask2 = MockBuildTasks.NoOp("foo2").WithSignature("2").WithDependencies(new [] { fooTask1.Object });
fooTask1.WithDependencies(new[] { fooTask2.Object });
var exception = Assert.Throws <Exception>(() => Builder.Execute(tmpDir.Path, tmpDir.CreateDir("out"),
tmpDir.CreateDir(".bud"), fooTask1.Object,
fooTask2.Object));
Assert.AreEqual("Detected a dependency cycle: 'foo1 depends on foo2 depends on foo1'.",
exception.Message);
}
}
public void TestExecute_rebuilds_task_when_signature_of_dependency_changes()
{
using (var tmpDir = new TmpDir()) {
var fooTaskMock = MockBuildTasks.GenerateFile("createFoo", "foo", "42");
var barTaskMock = MockBuildTasks.GenerateFile("createBar", "bar", "9001", fooTaskMock.Object);
Builder.Execute(tmpDir.Path, tmpDir.CreateDir("out"), tmpDir.CreateDir(".bud"), barTaskMock.Object);
var changedFooTaskMock = MockBuildTasks.GenerateFile("createFoo", "foo", "changed");
var barTaskMock2 = MockBuildTasks.GenerateFile("createBar", "bar", "9001", changedFooTaskMock.Object);
Builder.Execute(tmpDir.Path, tmpDir.CreateDir("out"), tmpDir.CreateDir(".bud"), barTaskMock2.Object);
VerifyExecutedOnce(barTaskMock2);
}
}
public void TestExecute_passes_the_source_dir_to_tasks()
{
using (var tmpDir = new TmpDir()) {
var sourceDir = tmpDir.CreateDir("src");
var outputDir = tmpDir.CreatePath("out");
var metaDir = tmpDir.CreatePath(".bud");
var sourceFile = tmpDir.CreateFile("42", "src", "foo");
var task1Mock = MockBuildTasks.CopySourceFile("task1", "foo", "bar");
Builder.Execute(sourceDir, outputDir, metaDir, task1Mock.Object);
FileAssert.AreEqual(sourceFile, Path.Combine(outputDir, "bar"));
}
}
public void TestExecute_throws_when_two_tasks_produce_file_with_same_name()
{
using (var tmpDir = new TmpDir()) {
var foo1TaskMock = MockBuildTasks.GenerateFile("createFoo1", "foo", "1");
var foo2TaskMock = MockBuildTasks.GenerateFile("createFoo2", "foo", "2", foo1TaskMock.Object);
var exception = Assert.Throws <Exception>(() => {
Builder.Execute(tmpDir.Path, tmpDir.CreateDir("out"), tmpDir.CreateDir(".bud"), foo2TaskMock.Object);
});
Assert.That(exception.Message,
Contains.Substring("Tasks 'createFoo1' and 'createFoo2' are clashing. " +
"They produced the same file 'foo'."));
}
}
public void TestExecute_throws_when_two_tasks_have_the_same_signature()
{
using (var tmpDir = new TmpDir()) {
var task1Mock = MockBuildTasks.NoOp("task1").WithSignature("foo");
var task2Mock = MockBuildTasks.NoOp("task2", task1Mock.Object).WithSignature("foo");
var exception = Assert.Throws <BuildTaskClashException>(() => {
Builder.Execute(tmpDir.Path, tmpDir.CreateDir("out"), tmpDir.CreateDir(".bud"), task2Mock.Object);
});
Assert.That(exception.Message,
Contains.Substring("Tasks 'task1' and 'task2' are clashing. " +
"They have the same signature 'foo'."));
}
}
public void TestExecute_executes_tasks_in_parallel()
{
using (var tmpDir = new TmpDir()) {
var countdownLatch = new CountdownEvent(2);
var buildTask1Mock = MockBuildTasks.Action("latch1", () => {
countdownLatch.Signal();
countdownLatch.Wait();
});
var buildTask2Mock = MockBuildTasks.Action("latch2", () => {
countdownLatch.Signal();
countdownLatch.Wait();
});
Builder.Execute(tmpDir.Path, tmpDir.CreateDir("out"), tmpDir.CreateDir(".bud"), buildTask1Mock.Object,
buildTask2Mock.Object);
}
}
public void TestExecute_does_not_have_race_conditions()
{
for (int i = 0; i < 5; i++)
{
using (var tmpDir = new TmpDir()) {
var sourceDir = tmpDir.CreateDir("src");
var outputDir = tmpDir.CreatePath("out");
var metaDir = tmpDir.CreatePath(".bud");
var generatedFiles = Enumerable.Range(0, 10).Select(idx => $"file_{idx}").ToList();
var fileGenerators = generatedFiles.Select(file => MockBuildTasks.GenerateFile(file, file, file).Object);
Builder.Execute(sourceDir, outputDir, metaDir, fileGenerators);
foreach (var generatedFile in generatedFiles)
{
FileAssert.AreEqual(tmpDir.CreateFile(generatedFile), Path.Combine(outputDir, generatedFile));
}
}
}
}
public void TestExecute_cleans_unfinished_directories_before_starting_the_build()
{
using (var tmpDir = new TmpDir()) {
var partialTask = MockBuildTasks.NoOp("task1")
.WithExecuteAction((sourceDir, outputDir, deps) => {
File.WriteAllText(Path.Combine(outputDir, "foo"), "42");
throw new Exception("Test exception");
});
try {
Builder.Execute(tmpDir.Path, tmpDir.CreateDir("out"), tmpDir.CreateDir(".bud"), partialTask.Object);
} catch (Exception) {
// ignored
}
var fullTask = MockBuildTasks.NoOp("task1")
.WithExecuteAction((sourceDir, outputDir, deps) =>
File.WriteAllText(Path.Combine(outputDir, "bar"), "9001"));
Builder.Execute(tmpDir.Path, tmpDir.CreateDir("out"), tmpDir.CreateDir(".bud"), fullTask.Object);
FileAssert.AreEqual(tmpDir.CreateFile("9001"), tmpDir.CreatePath("out", "bar"));
FileAssert.DoesNotExist(tmpDir.CreatePath("out", "foo"));
}
}