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HADOOP-14506. Add create() contract test that verifies ancestor dir creation. 

Contributed by Sean Mackrory.

(cherry picked from commit d780a67864)
This commit is contained in:
Steve Loughran 2017-06-15 14:51:50 +01:00
parent 88fa17c238
commit 31446f8e10
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1 changed files with 18 additions and 0 deletions
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18
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/fs/contract/AbstractContractCreateTest.java
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@ -32,6 +32,7 @@ import java.io.IOException;
import static org.apache.hadoop.fs.contract.ContractTestUtils.dataset;
import static org.apache.hadoop.fs.contract.ContractTestUtils.getFileStatusEventually;
import static org.apache.hadoop.fs.contract.ContractTestUtils.skip;
import static org.apache.hadoop.fs.contract.ContractTestUtils.touch;
import static org.apache.hadoop.fs.contract.ContractTestUtils.writeDataset;
import static org.apache.hadoop.fs.contract.ContractTestUtils.writeTextFile;
@ -272,4 +273,21 @@ public abstract class AbstractContractCreateTest extends
defaultBlockSize >= minValue);
}
@Test
public void testCreateMakesParentDirs() throws Throwable {
describe("check that after creating a file its parent directories exist");
FileSystem fs = getFileSystem();
Path grandparent = path("testCreateCreatesAndPopulatesParents");
Path parent = new Path(grandparent, "parent");
Path child = new Path(parent, "child");
touch(fs, child);
assertEquals("List status of parent should include the 1 child file",
1, fs.listStatus(parent).length);
assertTrue("Parent directory does not appear to be a directory",
fs.getFileStatus(parent).isDirectory());
assertEquals("List status of grandparent should include the 1 parent dir",
1, fs.listStatus(grandparent).length);
assertTrue("Grandparent directory does not appear to be a directory",
fs.getFileStatus(grandparent).isDirectory());
}
}