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authorTavian Barnes <tavianator@tavianator.com>2014-05-07 21:58:15 -0400
committerTavian Barnes <tavianator@tavianator.com>2014-05-07 22:11:39 -0400
commitd814b12bd39172bc59fcefa5815bc3776b793177 (patch)
tree33a8e78c472317ef33747a23b29137e582ff49a5 /sangria-listbinder/src/test
parent1eeacfdd9d747c2add6957794e541e3a022218a7 (diff)
downloadsangria-d814b12bd39172bc59fcefa5815bc3776b793177.tar.xz
listbinder: Add an implementation of ListBinder<T>.
Diffstat (limited to 'sangria-listbinder/src/test')
-rw-r--r--sangria-listbinder/src/test/java/com/tavianator/sangria/listbinder/ListBinderTest.java210
1 files changed, 210 insertions, 0 deletions
diff --git a/sangria-listbinder/src/test/java/com/tavianator/sangria/listbinder/ListBinderTest.java b/sangria-listbinder/src/test/java/com/tavianator/sangria/listbinder/ListBinderTest.java
new file mode 100644
index 0000000..4c7c86b
--- /dev/null
+++ b/sangria-listbinder/src/test/java/com/tavianator/sangria/listbinder/ListBinderTest.java
@@ -0,0 +1,210 @@
+/****************************************************************************
+ * Sangria *
+ * Copyright (C) 2014 Tavian Barnes <tavianator@tavianator.com> *
+ * *
+ * Licensed under the Apache License, Version 2.0 (the "License"); *
+ * you may not use this file except in compliance with the License. *
+ * You may obtain a copy of the License at *
+ * *
+ * http://www.apache.org/licenses/LICENSE-2.0 *
+ * *
+ * Unless required by applicable law or agreed to in writing, software *
+ * distributed under the License is distributed on an "AS IS" BASIS, *
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. *
+ * See the License for the specific language governing permissions and *
+ * limitations under the License. *
+ ****************************************************************************/
+
+package com.tavianator.sangria.listbinder;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.util.*;
+import javax.inject.Provider;
+import javax.inject.Qualifier;
+
+import com.google.inject.AbstractModule;
+import com.google.inject.CreationException;
+import com.google.inject.Guice;
+import com.google.inject.Injector;
+import com.google.inject.Key;
+import com.google.inject.TypeLiteral;
+import com.google.inject.name.Names;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.ExpectedException;
+
+import com.tavianator.sangria.core.TypeLiterals;
+
+import static org.hamcrest.Matchers.*;
+import static org.junit.Assert.*;
+
+/**
+ * Tests for {@link ListBinder}.
+ *
+ * @author Tavian Barnes (tavianator@tavianator.com)
+ * @version 1.1
+ * @since 1.1
+ */
+public class ListBinderTest {
+ public @Rule ExpectedException thrown = ExpectedException.none();
+
+ @Retention(RetentionPolicy.RUNTIME)
+ @Qualifier
+ private @interface Simple {
+ }
+
+ private static final TypeLiteral<List<String>> LIST_OF_STRINGS = TypeLiterals.listOf(String.class);
+ private static final TypeLiteral<List<Provider<String>>> LIST_OF_STRING_PROVIDERS = TypeLiterals.listOf(TypeLiterals.providerOf(String.class));
+
+ @Test
+ public void testBasicLists() {
+ Injector injector = Guice.createInjector(new AbstractModule() {
+ @Override
+ protected void configure() {
+ ListBinder<String> listBinder = ListBinder.build(binder(), String.class)
+ .withDefaultPriority();
+ listBinder.addBinding().toInstance("a");
+ listBinder.addBinding().toInstance("b");
+ listBinder.addBinding().toInstance("c");
+
+ listBinder = ListBinder.build(binder(), String.class)
+ .annotatedWith(Simple.class)
+ .withDefaultPriority();
+ listBinder.addBinding().toInstance("d");
+ listBinder.addBinding().toInstance("e");
+ listBinder.addBinding().toInstance("f");
+
+ listBinder = ListBinder.build(binder(), String.class)
+ .annotatedWith(Names.named("name"))
+ .withDefaultPriority();
+ listBinder.addBinding().toInstance("g");
+ listBinder.addBinding().toInstance("h");
+ listBinder.addBinding().toInstance("i");
+ }
+ });
+ List<String> list = injector.getInstance(Key.get(LIST_OF_STRINGS));
+ assertThat(list, contains("a", "b", "c"));
+
+ List<Provider<String>> providers = injector.getInstance(Key.get(LIST_OF_STRING_PROVIDERS));
+ assertThat(providers, hasSize(3));
+ assertThat(providers.get(0).get(), equalTo("a"));
+ assertThat(providers.get(1).get(), equalTo("b"));
+ assertThat(providers.get(2).get(), equalTo("c"));
+
+ list = injector.getInstance(Key.get(LIST_OF_STRINGS, Simple.class));
+ assertThat(list, contains("d", "e", "f"));
+
+ list = injector.getInstance(Key.get(LIST_OF_STRINGS, Names.named("name")));
+ assertThat(list, contains("g", "h", "i"));
+ }
+
+ @Test
+ public void testSplitBinders() {
+ Injector injector = Guice.createInjector(new AbstractModule() {
+ @Override
+ protected void configure() {
+ ListBinder<String> listBinder = ListBinder.build(binder(), String.class)
+ .withPriority(1);
+ listBinder.addBinding().toInstance("c");
+ listBinder.addBinding().toInstance("d");
+ }
+ }, new AbstractModule() {
+ @Override
+ protected void configure() {
+ ListBinder<String> listBinder = ListBinder.build(binder(), String.class)
+ .withPriority(0);
+ listBinder.addBinding().toInstance("a");
+ listBinder.addBinding().toInstance("b");
+ }
+ });
+ List<String> list = injector.getInstance(Key.get(LIST_OF_STRINGS));
+ assertThat(list, contains("a", "b", "c", "d"));
+ }
+
+ @Test
+ public void testConflictingDefaultPriorities() {
+ thrown.expect(CreationException.class);
+ thrown.expectMessage(containsString("2 errors"));
+ thrown.expectMessage(containsString("1) Duplicate ListBinder<java.lang.String> with default priority"));
+ thrown.expectMessage(containsString("2) Duplicate ListBinder<java.lang.String> with default priority"));
+ thrown.expectMessage(containsString("at com.tavianator.sangria.listbinder.ListBinderTest"));
+
+ Guice.createInjector(new AbstractModule() {
+ @Override
+ protected void configure() {
+ ListBinder.build(binder(), String.class)
+ .withDefaultPriority();
+ }
+ }, new AbstractModule() {
+ @Override
+ protected void configure() {
+ ListBinder.build(binder(), String.class)
+ .withDefaultPriority();
+ }
+ });
+ }
+
+ @Test
+ public void testConflictingExplicitPriorities() {
+ thrown.expect(CreationException.class);
+ thrown.expectMessage(containsString("2 errors"));
+ thrown.expectMessage(containsString("1) Duplicate ListBinder<java.lang.String> with priority [1]"));
+ thrown.expectMessage(containsString("2) Duplicate ListBinder<java.lang.String> with priority [1]"));
+ thrown.expectMessage(containsString("at com.tavianator.sangria.listbinder.ListBinderTest"));
+
+ Guice.createInjector(new AbstractModule() {
+ @Override
+ protected void configure() {
+ ListBinder.build(binder(), String.class)
+ .withPriority(1);
+ }
+ }, new AbstractModule() {
+ @Override
+ protected void configure() {
+ ListBinder.build(binder(), String.class)
+ .withPriority(1);
+ }
+ });
+ }
+
+ @Test
+ public void testConflictingDefaultAndExplicitPriorities() {
+ thrown.expect(CreationException.class);
+ thrown.expectMessage(containsString("2 errors"));
+ thrown.expectMessage(containsString(") ListBinder<java.lang.String> with default priority conflicts with ListBinder with explicit priority"));
+ thrown.expectMessage(containsString(") ListBinder<java.lang.String> with priority [1] conflicts with ListBinder with default priority"));
+ thrown.expectMessage(containsString("at com.tavianator.sangria.listbinder.ListBinderTest"));
+
+ Guice.createInjector(new AbstractModule() {
+ @Override
+ protected void configure() {
+ ListBinder.build(binder(), String.class)
+ .withDefaultPriority();
+ }
+ }, new AbstractModule() {
+ @Override
+ protected void configure() {
+ ListBinder.build(binder(), String.class)
+ .withPriority(1);
+ }
+ });
+ }
+
+ @Test
+ public void testToString() {
+ Guice.createInjector(new AbstractModule() {
+ @Override
+ protected void configure() {
+ ListBinder<String> listBinder = ListBinder.build(binder(), String.class)
+ .annotatedWith(Names.named("name"))
+ .withDefaultPriority();
+ assertThat(listBinder.toString(), equalTo("ListBinder<java.lang.String> annotated with @com.google.inject.name.Named(value=name) with default priority"));
+
+ ListBinder<Object> objectListBinder = ListBinder.build(binder(), Object.class)
+ .withPriority(1, 2);
+ assertThat(objectListBinder.toString(), equalTo("ListBinder<java.lang.Object> with priority [1, 2]"));
+ }
+ });
+ }
+}