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Create a simple test case to fix the Pravega file listing/append issue.
Signed-off-by: Pascal Spörri <psp@zurich.ibm.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,95 @@ | ||
| package com.ibm.geds.hdfs | ||
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| import org.junit.jupiter.api._ | ||
| import org.junit.jupiter.api.Assertions._ | ||
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| import org.apache.hadoop.conf.Configuration; | ||
| import org.apache.hadoop.fs._ | ||
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| class TestGEDSHDFS { | ||
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| val fs = TestGEDSHDFS.fs | ||
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| @Test | ||
| def createFilePrefix(): Unit = { | ||
| val stream = fs.create(new Path("/test/createFilePrefix/file")) | ||
| stream.close() | ||
| var ls = fs.listStatus(new Path("/test/createFilePrefix")) | ||
| assertEquals(1, ls.length) | ||
| println(ls(0).getPath().getName()) | ||
| assertEquals("file", ls(0).getPath().getName()) | ||
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| ls = fs.listStatus(new Path("/test/createFilePrefix/")) | ||
| assertEquals(1, ls.length) | ||
| println(ls(0).getPath().getName()) | ||
| assertEquals("file", ls(0).getPath().getName()) | ||
| } | ||
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| @Test | ||
| def createFile(): Unit = { | ||
| val stream = fs.create(new Path("test/createFile/file")) | ||
| stream.close() | ||
| var ls = fs.listStatus(new Path("test/createFile")) | ||
| assertEquals(1, ls.length) | ||
| println(ls(0).getPath().getName()) | ||
| assertEquals("file", ls(0).getPath().getName()) | ||
| ls = fs.listStatus(new Path("test/createFile/")) | ||
| assertEquals(1, ls.length) | ||
| println(ls(0).getPath().getName()) | ||
| assertEquals("file", ls(0).getPath().getName()) | ||
| } | ||
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| @Test | ||
| def append(): Unit = { | ||
| val path = new Path("test/append") | ||
| var pos = 0 | ||
| // Create empty | ||
| var stream = fs.create(path) | ||
| stream.close() | ||
| var fstatus = fs.getFileStatus(path) | ||
| assertEquals(pos, fstatus.getLen()) | ||
| assertFalse(fstatus.isDirectory()) | ||
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| // Append + write 1 byte | ||
| stream = fs.append(path) | ||
| stream.write(1) | ||
| pos += 1 | ||
| assertEquals(pos, stream.getPos()) | ||
| stream.flush() | ||
| stream.close() | ||
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| // Ensure 1 byte got written | ||
| fstatus = fs.getFileStatus(path) | ||
| assertEquals(pos, fstatus.getLen()) | ||
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| // Append + write 1 byte | ||
| stream = fs.append(path) | ||
| stream.writeByte(1) | ||
| pos += 1 | ||
| assertEquals(pos, stream.getPos()) | ||
| stream.close() | ||
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| // Ensure 1 byte got written (total length: 2) | ||
| fstatus = fs.getFileStatus(path) | ||
| assertEquals(pos, fstatus.getLen()) | ||
| assertFalse(fstatus.isDirectory()) | ||
| } | ||
| } | ||
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| object TestGEDSHDFS { | ||
| var fs: FileSystem = _; | ||
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| @BeforeAll | ||
| def setup(): Unit = { | ||
| val conf = new Configuration() | ||
| conf.set("fs.default.name", "geds") | ||
| conf.set("fs.default.fs", "geds") | ||
| conf.set("fs.geds.impl", "com.ibm.geds.hdfs.GEDSHadoopFileSystem") | ||
| conf.set("fs.geds.path", "/tmp/geds") | ||
| conf.set("fs.geds.metadataserver", "localhost:4381") | ||
| fs = FileSystem.get(new java.net.URI("geds://test"), conf) | ||
| System.out.println( | ||
| "@BeforeAll - executes once before all test methods in this class" | ||
| ) | ||
| } | ||
| } |