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120 lines
4.8 KiB
Diff
120 lines
4.8 KiB
Diff
From ab04f462db66899843b02b39a05ac1db64abf85b Mon Sep 17 00:00:00 2001
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From: crast <contact@jamescrasta.com>
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Date: Wed, 20 Mar 2013 15:59:03 -0600
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Subject: [PATCH] Substantially more comprehensive unit tests.
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Check all the interesting implementation details in metadatavalues
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which were never tested before, as well as making sure we document
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things thoroughly.
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---
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.../org/bukkit/metadata/MetadataValueAdapter.java | 2 +-
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.../bukkit/metadata/MetadataValueAdapterTest.java | 73 +++++++++++++++++---
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2 files changed, 64 insertions(+), 11 deletions(-)
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diff --git a/src/main/java/org/bukkit/metadata/MetadataValueAdapter.java b/src/main/java/org/bukkit/metadata/MetadataValueAdapter.java
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index 354b6dc..c4b8b39 100644
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--- a/src/main/java/org/bukkit/metadata/MetadataValueAdapter.java
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+++ b/src/main/java/org/bukkit/metadata/MetadataValueAdapter.java
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@@ -9,7 +9,7 @@ import org.bukkit.util.NumberConversions;
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*
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* This provides all the conversion functions for MetadataValue
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* so that writing an implementation of MetadataValue is as simple
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- * as implementing value() and invalidate()
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+ * as implementing value() and invalidate().
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*
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*/
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public abstract class MetadataValueAdapter implements MetadataValue {
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diff --git a/src/test/java/org/bukkit/metadata/MetadataValueAdapterTest.java b/src/test/java/org/bukkit/metadata/MetadataValueAdapterTest.java
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index 5ae7df4..7d8a17f 100644
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--- a/src/test/java/org/bukkit/metadata/MetadataValueAdapterTest.java
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+++ b/src/test/java/org/bukkit/metadata/MetadataValueAdapterTest.java
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@@ -10,22 +10,75 @@ public class MetadataValueAdapterTest {
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private TestPlugin plugin = new TestPlugin("x");
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@Test
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- public void testIncrementingAdapter() {
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+ public void testAdapterBasics() {
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IncrementingMetaValue mv = new IncrementingMetaValue(plugin);
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// check getOwningPlugin
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assertEquals(mv.getOwningPlugin(), this.plugin);
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- // check the various value-making methods
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- assertEquals(mv.asInt(), 1);
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- assertEquals(mv.asLong(), 2L);
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- assertEquals(mv.asFloat(), 3.0, 0.001);
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- assertEquals(mv.asByte(), 4);
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- assertEquals(mv.asDouble(), 5.0, 0.001);
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- assertEquals(mv.asShort(), 6);
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- assertEquals(mv.asString(), "7");
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+ // Check value-getting and invalidation.
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+ assertEquals(new Integer(1), mv.value());
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+ assertEquals(new Integer(2), mv.value());
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+ mv.invalidate();
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+ assertEquals(new Integer(1), mv.value());
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}
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- /** Silly Metadata implementation that increments every time value() is called */
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+ @Test
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+ public void testAdapterConversions() {
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+ IncrementingMetaValue mv = new IncrementingMetaValue(plugin);
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+
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+ assertEquals(1, mv.asInt());
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+ assertEquals(2L, mv.asLong());
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+ assertEquals(3.0, mv.asFloat(), 0.001);
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+ assertEquals(4, mv.asByte());
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+ assertEquals(5.0, mv.asDouble(), 0.001);
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+ assertEquals(6, mv.asShort());
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+ assertEquals("7", mv.asString());
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+ }
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+
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+ /** Boolean conversion is non-trivial, we want to test it thoroughly. */
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+ @Test
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+ public void testBooleanConversion() {
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+ // null is False.
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+ assertEquals(false, simpleValue(null).asBoolean());
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+
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+ // String to boolean.
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+ assertEquals(true, simpleValue("True").asBoolean());
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+ assertEquals(true, simpleValue("TRUE").asBoolean());
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+ assertEquals(false, simpleValue("false").asBoolean());
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+
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+ // Number to boolean.
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+ assertEquals(true, simpleValue(1).asBoolean());
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+ assertEquals(true, simpleValue(5.0).asBoolean());
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+ assertEquals(false, simpleValue(0).asBoolean());
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+ assertEquals(false, simpleValue(0.1).asBoolean());
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+
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+ // Boolean as boolean, of course.
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+ assertEquals(true, simpleValue(Boolean.TRUE).asBoolean());
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+ assertEquals(false, simpleValue(Boolean.FALSE).asBoolean());
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+
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+ // any object that is not null and not a Boolean, String, or Number is true.
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+ assertEquals(true, simpleValue(new Object()).asBoolean());
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+ }
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+
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+ /** Test String conversions return an empty string when given null. */
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+ @Test
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+ public void testStringConversionNull() {
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+ assertEquals("", simpleValue(null).asString());
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+ }
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+
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+ /** Get a fixed value MetadataValue. */
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+ private MetadataValue simpleValue(Object value) {
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+ return new FixedMetadataValue(plugin, value);
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+ }
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+
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+ /**
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+ * A sample non-trivial MetadataValueAdapter implementation.
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+ *
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+ * The rationale for implementing an incrementing value is to have a value
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+ * which changes with every call to value(). This is important for testing
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+ * because we want to make sure all the tested conversions are calling the
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+ * value() method exactly once and no caching is going on.
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+ */
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class IncrementingMetaValue extends MetadataValueAdapter {
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private int internalValue = 0;
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--
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1.7.0.4
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