protected static GenerateTermsOptions generateTerms(String testDirname) throws Exception {
final String inputDirname = testDirname + "/in";
File inputDir = new File(inputDirname);
inputDir.mkdirs();
final String metadataDirname = testDirname + "/meta";
File metadataDir = new File(metadataDirname);
metadataDir.mkdirs();
// Run WikiDumpTool to generate a file
WikiDumpTool tool = new WikiDumpTool();
tool.run("src/test/resources/enwiki-snippet.xml", inputDirname, metadataDirname, 100, 100);
// Run our flow, in test mode
final String workingDirname = testDirname + "/working";
File workingDir = new File(workingDirname);
workingDir.mkdirs();
GenerateTermsOptions options = new GenerateTermsOptions();
options.setDebug(true);
options.setMaxDistance(20);
options.setInputDirname(inputDirname);
options.setWorkingDirname(workingDirname);
Flow flow = GenerateTermsFlow.createFlow(options);
FlowResult fr = FlowRunner.run(flow);
options.saveCounters(GenerateTermsFlow.class, fr.getCounters());
return options;
}
@Test
public void test() throws Exception {
GenerateTermsOptions options = generateTerms("build/test/GenerateTermsFlowTest/test");
// Verify that we get expected results in the output
BasePlatform platform = options.getPlatform(GenerateTermsFlowTest.class);
Tap tap =
platform.makeTap(
platform.makeBinaryScheme(WikiTermDatum.FIELDS),
options.getWorkingSubdirPath(WorkingConfig.TERMS_SUBDIR_NAME));
TupleEntryIterator iter = tap.openForRead(platform.makeFlowProcess());
WikiTermDatum datum = new WikiTermDatum();
while (iter.hasNext()) {
datum.setTupleEntry(iter.next());
// TODO verify that each field looks correct?
// System.out.println(datum.getTuple());
}
// Verify we got the expected number of results.
Map<String, Long> counters = options.getCounters(GenerateTermsFlow.class);
String counterName = WorkflowOptions.getFlowCounterName(WikiwordsCounters.ARTICLES);
assertEquals(15, (long) counters.get(counterName));
}