Github user srdo commented on a diff in the pull request:
https://github.com/apache/storm/pull/2074#discussion_r111723681
--- Diff: storm-server/src/test/java/org/apache/storm/LocalStateTest.java
---
@@ -0,0 +1,43 @@
+package org.apache.storm;
+
+import org.apache.storm.generated.GlobalStreamId;
+import org.apache.storm.testing.TmpPath;
+import org.apache.storm.utils.LocalState;
+import org.junit.Assert;
+import org.junit.Test;
+
+import java.io.IOException;
+
+public class LocalStateTest {
+
+ @Test
+ public void testLocalState() throws Exception{
+ try(TmpPath dir1_tmp = new TmpPath(); TmpPath dir2_tmp = new
TmpPath() ) {
+ GlobalStreamId globalStreamId_a = new GlobalStreamId("a", "a");
+ GlobalStreamId globalStreamId_b = new GlobalStreamId("b", "b");
+ GlobalStreamId globalStreamId_c = new GlobalStreamId("c", "c");
+ GlobalStreamId globalStreamId_d = new GlobalStreamId("d", "d");
+
+ LocalState ls1 = new LocalState(dir1_tmp.getPath());
+ LocalState ls2 = new LocalState(dir2_tmp.getPath());
+ Assert.assertTrue(ls1.snapshot().isEmpty());
+
+ ls1.put("a", globalStreamId_a);
+ ls1.put("b", globalStreamId_b);
+ Assert.assertTrue(ls1.snapshot().containsKey("a"));
+
Assert.assertTrue(ls1.snapshot().containsValue(globalStreamId_a));
+ Assert.assertTrue(ls1.snapshot().containsKey("b"));
+
Assert.assertTrue(ls1.snapshot().containsValue(globalStreamId_b));
+ Assert.assertEquals(globalStreamId_a, ls1.get("a"));
+ Assert.assertEquals(null, ls1.get("c"));
+ Assert.assertEquals(globalStreamId_b, ls1.get("b"));
+ Assert.assertTrue(ls2.snapshot().isEmpty());
+
+ ls2.put("b", globalStreamId_a);
+ ls2.put("b", globalStreamId_b);
+ ls2.put("b", globalStreamId_c);
+ ls2.put("b", globalStreamId_d);
+ Assert.assertEquals(globalStreamId_d, ls2.get("b"));
--- End diff --
Nitpick: The `(is (= {"a" gs-a "b" gs-b} (.snapshot (LocalState. dir1))))`
check seems to be missing? Looks like it's checking that creating a new
LocalState with the same directory will lead to getting the same state.
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