/**
* Tests adding jars one-by-one to a job's configuration.
*
* @throws IOException If there is a problem adding the jars.
*/
@Test
public void testAddJar() throws IOException {
// Add each valid jar path to the distributed cache configuration, and verify each was
// added correctly in turn.
for (int i = 0; i < testFilePaths.length; i++) {
DistCache.addJarToDistributedCache(testConf, testFilePaths[i]);
assertEquals(
"tmpjars configuration var does not contain expected value.",
StringUtils.join(testFileQualifiedPaths, ",", 0, i + 1),
testConf.get("tmpjars"));
}
}
/**
* Tests that attempting to add the path to a jar that does not exist to the configuration throws
* an exception.
*
* @throws IOException If the added jar path does not exist. This exception is expected.
*/
@Test(expected = IOException.class)
public void testAddJarThatDoesntExist() throws IOException {
DistCache.addJarToDistributedCache(testConf, "/garbage/doesntexist.jar");
}
