/**
* flow-part.
*
* @throws Exception if failed
*/
@Test
public void flowpart() throws Exception {
MapReduceCompilerToolkit tk = new MapReduceCompilerToolkit();
FlowPortMap ports = tk.newFlowPortMap();
In<MockData> in = ports.addInput("in", MockData.class);
Out<MockData> out = ports.addOutput("out", MockData.class);
SimpleJobflow flow = new SimpleJobflow(in, out);
CompilerConfiguration conf = getConf(tk);
try (CompilerSession session = tk.newSession(conf)) {
ArtifactMirror artifact = session.compileFlow(flow, ports);
check(artifact);
JobflowMirror single = single(artifact.getBatch());
assertThat(single.getInputs(), hasSize(1));
PortMirror<? extends ImporterDescription> i0 = single.findInput("in");
assertThat(i0, is(notNullValue()));
assertThat(i0.getDescription(), is(instanceOf(TemporaryInputDescription.class)));
assertThat(single.getOutputs(), hasSize(1));
PortMirror<? extends ExporterDescription> o0 = single.findOutput("out");
assertThat(o0, is(notNullValue()));
assertThat(o0.getDescription(), is(instanceOf(TemporaryOutputDescription.class)));
}
}
private void check(ArtifactMirror artifact) {
File batchDir = artifact.getContents();
assertThat(batchDir.isDirectory(), is(true));
for (JobflowMirror jobflow : artifact.getBatch().getElements()) {
File jobflowLib = CompilerConstants.getJobflowLibraryPath(batchDir, jobflow.getFlowId());
assertThat(jobflowLib.isFile(), is(true));
}
}
private void checkSimpleJobflow(JobflowMirror single) {
assertThat(single.getFlowId(), is("simple"));
assertThat(single.getInputs(), hasSize(1));
PortMirror<? extends ImporterDescription> i0 = single.findInput("IN");
assertThat(i0, is(notNullValue()));
assertThat(i0.getDescription(), is(instanceOf(SimpleInputDescription.class)));
assertThat(single.getOutputs(), hasSize(1));
PortMirror<? extends ExporterDescription> o0 = single.findOutput("OUT");
assertThat(o0, is(notNullValue()));
assertThat(o0.getDescription(), is(instanceOf(SimpleOutputDescription.class)));
}