Revert "GC unused DiskState"

1 files changed, 116 insertions, 0 deletions

diff --git a/vdslib/src/test/java/com/yahoo/vdslib/state/DiskStateTestCase.java b/vdslib/src/test/java/com/yahoo/vdslib/state/DiskStateTestCase.java
new file mode 100644
index 00000000000..bdc3be3dc70
--- /dev/null
+++ b/vdslib/src/test/java/com/yahoo/vdslib/state/DiskStateTestCase.java
@@ -0,0 +1,116 @@
+// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+package com.yahoo.vdslib.state;
+
+import org.junit.Test;
+
+import java.text.ParseException;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+
+public class DiskStateTestCase {
+
+    private static final double delta = 0.0000000001;
+
+    @Test
+    public void testEquals() {
+        DiskState d1 = new DiskState(State.UP, "", 1);
+        DiskState d2 = new DiskState(State.UP, "", 2);
+        DiskState d3 = new DiskState(State.DOWN, "Failed disk", 1);
+        DiskState d4 = new DiskState(State.DOWN, "IO error", 1);
+        DiskState d5 = new DiskState(State.UP, "", 1);
+        DiskState d6 = new DiskState(State.UP, "", 2);
+        DiskState d7 = new DiskState(State.DOWN, "Failed disk", 1);
+        DiskState d8 = new DiskState(State.DOWN, "IO error", 1);
+
+        assertEquals(d1, d5);
+        assertEquals(d2, d6);
+        assertEquals(d3, d7);
+        assertEquals(d4, d8);
+
+        assertFalse(d1.equals(d2));
+        assertFalse(d1.equals(d3));
+        assertFalse(d1.equals(d4));
+
+        assertFalse(d2.equals(d1));
+        assertFalse(d2.equals(d3));
+        assertFalse(d2.equals(d4));
+
+        assertFalse(d3.equals(d1));
+        assertFalse(d3.equals(d2));
+        assertEquals(d3, d4);
+
+        assertFalse(d4.equals(d1));
+        assertFalse(d4.equals(d2));
+        assertEquals(d4, d3);
+
+        assertFalse(d1.equals("class not instance of Node"));
+    }
+
+    @Test
+    public void testSerialization() throws ParseException {
+        DiskState d = new DiskState();
+        DiskState other = new DiskState(d.serialize("", true));
+        assertEquals(d, other);
+        assertEquals(d.toString(), other.toString());
+        assertEquals(State.UP, other.getState());
+        assertEquals(1.0, other.getCapacity(), delta);
+        assertEquals("", other.getDescription());
+        assertEquals("s:u", d.serialize("", false));
+        assertEquals("s:u", d.serialize("", true));
+        assertEquals("", d.serialize(".0.", false));
+        assertEquals("", d.serialize(".0.", true));
+
+        assertEquals(d, new DiskState(": s:u sbadkey:somevalue cbadkey:somevalue mbadkey:somevalue unknwonkey:somevalue"));
+
+        d = new DiskState(State.UP, "Slow disk", 1.0);
+        other = new DiskState(d.serialize("", true));
+        assertEquals(d, other);
+        assertEquals(d.toString(), other.toString());
+        assertEquals(State.UP, other.getState());
+        assertEquals(1.0, other.getCapacity(), delta);
+        assertEquals("Slow disk", other.getDescription());
+        assertEquals("s:u", d.serialize("", false));
+        assertEquals("s:u m:Slow\\x20disk", d.serialize("", true));
+        assertEquals("", d.serialize(".0.", false));
+        assertEquals(".0.m:Slow\\x20disk", d.serialize(".0.", true));
+
+        d = new DiskState(State.DOWN, "Failed disk", 2.0);
+        other = new DiskState(d.serialize("", true));
+        assertEquals(d, other);
+        assertEquals(d.toString(), other.toString());
+        assertEquals(State.DOWN, other.getState());
+        assertEquals(2.0, other.getCapacity(), delta);
+        assertEquals("Failed disk", other.getDescription());
+        assertEquals("s:d c:2.0", d.serialize("", false));
+        assertEquals("s:d c:2.0 m:Failed\\x20disk", d.serialize("", true));
+        assertEquals(".0.s:d .0.c:2.0", d.serialize(".0.", false));
+        assertEquals(".0.s:d .0.c:2.0 .0.m:Failed\\x20disk", d.serialize(".0.", true));
+
+        try {
+            new DiskState(State.MAINTENANCE);
+            assertTrue("Method expected to throw IllegalArgumentException", false);
+        } catch (IllegalArgumentException e) {
+            assertEquals("State " + State.MAINTENANCE + " is not a valid disk state.", e.getMessage());
+        }
+        try {
+            new DiskState(State.UP, "", -1);
+            assertTrue("Method expected to throw IllegalArgumentException", false);
+        } catch (IllegalArgumentException e) {
+            assertEquals("Negative capacity makes no sense.", e.getMessage());
+        }
+        try {
+            new DiskState("nocolon");
+            assertTrue("Method expected to throw ParseException", false);
+        } catch (ParseException e) {
+            assertEquals("Token nocolon does not contain ':': nocolon", e.getMessage());
+        }
+        try {
+            new DiskState("s:d c:badvalue");
+            assertTrue("Method expected to throw ParseException", false);
+        } catch (ParseException e) {
+            assertEquals("Illegal disk capacity 'badvalue'. Capacity must be a positive floating point number", e.getMessage());
+        }
+    }
+}