Examples with MultibinderBinding com.google.inject.multibindings.MultibinderBinding used on opensource projects

Example 1 with MultibinderBinding

use of com.google.inject.multibindings.MultibinderBinding in project guice by google.

the class SpiUtils method setInjectorTest.

@SuppressWarnings("unchecked")
private static <T> void setInjectorTest(Key<Set<T>> setKey, TypeLiteral<?> elementType, Iterable<? extends Module> modules, boolean allowDuplicates, int otherMultibindings, BindResult... results) {
    Key<?> collectionOfProvidersKey = setKey.ofType(collectionOfProvidersOf(elementType));
    Key<?> collectionOfJavaxProvidersKey = setKey.ofType(collectionOfJavaxProvidersOf(elementType));
    Injector injector = Guice.createInjector(modules);
    Visitor<Set<T>> visitor = new Visitor<Set<T>>();
    Binding<Set<T>> binding = injector.getBinding(setKey);
    MultibinderBinding<Set<T>> multibinder = (MultibinderBinding<Set<T>>) binding.acceptTargetVisitor(visitor);
    assertNotNull(multibinder);
    assertEquals(elementType, multibinder.getElementTypeLiteral());
    assertEquals(allowDuplicates, multibinder.permitsDuplicates());
    List<Binding<?>> elements = Lists.newArrayList(multibinder.getElements());
    List<BindResult> bindResults = Lists.newArrayList(results);
    assertEquals("wrong bind elements, expected: " + bindResults + ", but was: " + multibinder.getElements(), bindResults.size(), elements.size());
    for (BindResult result : bindResults) {
        Binding found = null;
        for (Binding item : elements) {
            if (matches(item, result)) {
                found = item;
                break;
            }
        }
        if (found == null) {
            fail("Could not find element: " + result + " in remaining elements: " + elements);
        } else {
            elements.remove(found);
        }
    }
    if (!elements.isEmpty()) {
        fail("Found all elements of: " + bindResults + ", but more were left over: " + elements);
    }
    Set<Binding> setOfElements = new HashSet<Binding>(multibinder.getElements());
    Set<IndexedBinding> setOfIndexed = Sets.newHashSet();
    Indexer indexer = new Indexer(injector);
    for (Binding<?> oneBinding : setOfElements) {
        setOfIndexed.add(oneBinding.acceptTargetVisitor(indexer));
    }
    List<Object> otherMultibinders = Lists.newArrayList();
    List<Binding> otherContains = Lists.newArrayList();
    boolean collectionOfProvidersMatch = false;
    boolean collectionOfJavaxProvidersMatch = false;
    for (Binding b : injector.getAllBindings().values()) {
        boolean contains = multibinder.containsElement(b);
        Key key = b.getKey();
        Object visited = b.acceptTargetVisitor(visitor);
        if (visited != null) {
            if (visited.equals(multibinder)) {
                assertTrue(contains);
            } else {
                otherMultibinders.add(visited);
            }
        } else if (setOfElements.contains(b)) {
            assertTrue(contains);
        } else if (key.equals(collectionOfProvidersKey)) {
            assertTrue(contains);
            collectionOfProvidersMatch = true;
        } else if (key.equals(collectionOfJavaxProvidersKey)) {
            assertTrue(contains);
            collectionOfJavaxProvidersMatch = true;
        } else if (contains) {
            if (!indexer.isIndexable(b) || !setOfIndexed.contains(b.acceptTargetVisitor(indexer))) {
                otherContains.add(b);
            }
        }
    }
    assertTrue(collectionOfProvidersMatch);
    assertTrue(collectionOfJavaxProvidersMatch);
    if (allowDuplicates) {
        assertEquals("contained more than it should: " + otherContains, 1, otherContains.size());
    } else {
        assertTrue("contained more than it should: " + otherContains, otherContains.isEmpty());
    }
    assertEquals("other multibindings found: " + otherMultibinders, otherMultibindings, otherMultibinders.size());
}

Example 2 with MultibinderBinding

use of com.google.inject.multibindings.MultibinderBinding in project guice by google.

the class SpiUtils method setModuleTest.

@SuppressWarnings("unchecked")
private static <T> void setModuleTest(Key<Set<T>> setKey, TypeLiteral<?> elementType, Iterable<? extends Module> modules, boolean allowDuplicates, int otherMultibindings, BindResult... results) {
    Key<?> collectionOfProvidersKey = setKey.ofType(collectionOfProvidersOf(elementType));
    Key<?> collectionOfJavaxProvidersKey = setKey.ofType(collectionOfJavaxProvidersOf(elementType));
    List<BindResult> bindResults = Lists.newArrayList(results);
    List<Element> elements = Elements.getElements(modules);
    Visitor<T> visitor = new Visitor<T>();
    MultibinderBinding<Set<T>> multibinder = null;
    for (Element element : elements) {
        if (element instanceof Binding && ((Binding) element).getKey().equals(setKey)) {
            multibinder = (MultibinderBinding<Set<T>>) ((Binding) element).acceptTargetVisitor(visitor);
            break;
        }
    }
    assertNotNull(multibinder);
    assertEquals(elementType, multibinder.getElementTypeLiteral());
    List<Object> otherMultibinders = Lists.newArrayList();
    Set<Element> otherContains = new HashSet<Element>();
    List<Element> otherElements = Lists.newArrayList();
    int duplicates = 0;
    Set<IndexedBinding> setOfIndexed = Sets.newHashSet();
    Indexer indexer = new Indexer(null);
    boolean collectionOfProvidersMatch = false;
    boolean collectionOfJavaxProvidersMatch = false;
    for (Element element : elements) {
        boolean contains = multibinder.containsElement(element);
        if (!contains) {
            otherElements.add(element);
        }
        boolean matched = false;
        Key key = null;
        if (element instanceof Binding) {
            Binding binding = (Binding) element;
            if (indexer.isIndexable(binding) && !setOfIndexed.add((IndexedBinding) binding.acceptTargetVisitor(indexer))) {
                duplicates++;
            }
            key = binding.getKey();
            Object visited = binding.acceptTargetVisitor(visitor);
            if (visited != null) {
                matched = true;
                if (visited.equals(multibinder)) {
                    assertTrue(contains);
                } else {
                    otherMultibinders.add(visited);
                }
            }
        }
        if (collectionOfProvidersKey.equals(key)) {
            assertTrue(contains);
            assertFalse(matched);
            collectionOfProvidersMatch = true;
        } else if (collectionOfJavaxProvidersKey.equals(key)) {
            assertTrue(contains);
            assertFalse(matched);
            collectionOfJavaxProvidersMatch = true;
        } else if (!matched && contains) {
            otherContains.add(element);
        }
    }
    if (allowDuplicates) {
        assertEquals("wrong contained elements: " + otherContains, bindResults.size() + 1 + duplicates, otherContains.size());
    } else {
        assertEquals("wrong contained elements: " + otherContains, bindResults.size() + duplicates, otherContains.size());
    }
    assertEquals("other multibindings found: " + otherMultibinders, otherMultibindings, otherMultibinders.size());
    assertTrue(collectionOfProvidersMatch);
    assertTrue(collectionOfJavaxProvidersMatch);
    // Validate that we can construct an injector out of the remaining bindings.
    Guice.createInjector(Elements.getModule(otherElements));
}

Example 3 with MultibinderBinding

use of com.google.inject.multibindings.MultibinderBinding in project guice by google.

the class SpiUtils method mapInjectorTest.

@SuppressWarnings("unchecked")
private static <T> void mapInjectorTest(Key<T> mapKey, TypeLiteral<?> keyType, TypeLiteral<?> valueType, Iterable<? extends Module> modules, boolean allowDuplicates, int expectedMapBindings, MapResult<?, ?>... results) {
    Injector injector = Guice.createInjector(modules);
    Visitor<T> visitor = new Visitor<>();
    Binding<T> mapBinding = injector.getBinding(mapKey);
    MapBinderBinding<T> mapbinder = (MapBinderBinding<T>) mapBinding.acceptTargetVisitor(visitor);
    assertNotNull(mapbinder);
    assertEquals(mapKey, mapbinder.getMapKey());
    assertEquals(keyType, mapbinder.getKeyTypeLiteral());
    assertEquals(valueType, mapbinder.getValueTypeLiteral());
    assertEquals(allowDuplicates, mapbinder.permitsDuplicates());
    List<Map.Entry<?, Binding<?>>> entries = Lists.newArrayList(mapbinder.getEntries());
    List<MapResult<?, ?>> mapResults = Lists.newArrayList(results);
    assertEquals("wrong entries, expected: " + mapResults + ", but was: " + entries, mapResults.size(), entries.size());
    for (MapResult<?, ?> result : mapResults) {
        Map.Entry<?, Binding<?>> found = null;
        for (Map.Entry<?, Binding<?>> entry : entries) {
            Object key = entry.getKey();
            Binding<?> value = entry.getValue();
            if (key.equals(result.k) && matches(value, result.v)) {
                found = entry;
                break;
            }
        }
        if (found == null) {
            fail("Could not find entry: " + result + " in remaining entries: " + entries);
        } else {
            assertTrue("mapBinder doesn't contain: " + found.getValue(), mapbinder.containsElement(found.getValue()));
            entries.remove(found);
        }
    }
    if (!entries.isEmpty()) {
        fail("Found all entries of: " + mapResults + ", but more were left over: " + entries);
    }
    Key<?> mapOfJavaxProvider = mapKey.ofType(mapOfJavaxProviderOf(keyType, valueType));
    Key<?> mapOfProvider = mapKey.ofType(mapOfProviderOf(keyType, valueType));
    Key<?> mapOfSetOfProvider = mapKey.ofType(mapOfSetOfProviderOf(keyType, valueType));
    Key<?> mapOfSetOfJavaxProvider = mapKey.ofType(mapOfSetOfJavaxProviderOf(keyType, valueType));
    Key<?> mapOfCollectionOfProvider = mapKey.ofType(mapOfCollectionOfProviderOf(keyType, valueType));
    Key<?> mapOfCollectionOfJavaxProvider = mapKey.ofType(mapOfCollectionOfJavaxProviderOf(keyType, valueType));
    Key<?> mapOfSet = mapKey.ofType(mapOf(keyType, setOf(valueType)));
    Key<?> setOfEntry = mapKey.ofType(setOf(entryOfProviderOf(keyType, valueType)));
    Key<?> setOfJavaxEntry = mapKey.ofType(setOf(entryOfJavaxProviderOf(keyType, valueType)));
    Key<?> collectionOfProvidersOfEntryOfProvider = mapKey.ofType(collectionOfProvidersOf(entryOfProviderOf(keyType, valueType)));
    Key<?> collectionOfJavaxProvidersOfEntryOfProvider = mapKey.ofType(collectionOfJavaxProvidersOf(entryOfProviderOf(keyType, valueType)));
    Key<?> setOfExtendsOfEntryOfProvider = mapKey.ofType(setOfExtendsOf(entryOfProviderOf(keyType, valueType)));
    Key<?> mapOfKeyExtendsValueKey = mapKey.ofType(mapOf(keyType, TypeLiteral.get(Types.subtypeOf(valueType.getType()))));
    assertEquals(ImmutableSet.of(mapOfJavaxProvider, mapOfProvider, mapOfSetOfProvider, mapOfSetOfJavaxProvider, mapOfCollectionOfProvider, mapOfCollectionOfJavaxProvider, mapOfSet, mapOfKeyExtendsValueKey), mapbinder.getAlternateMapKeys());
    boolean entrySetMatch = false;
    boolean javaxEntrySetMatch = false;
    boolean mapJavaxProviderMatch = false;
    boolean mapProviderMatch = false;
    boolean mapSetMatch = false;
    boolean mapSetProviderMatch = false;
    boolean mapSetJavaxProviderMatch = false;
    boolean mapCollectionProviderMatch = false;
    boolean mapCollectionJavaxProviderMatch = false;
    boolean collectionOfProvidersOfEntryOfProviderMatch = false;
    boolean collectionOfJavaxProvidersOfEntryOfProviderMatch = false;
    boolean setOfExtendsOfEntryOfProviderMatch = false;
    boolean mapOfKeyExtendsValueKeyMatch = false;
    List<Object> otherMapBindings = Lists.newArrayList();
    List<Binding<?>> otherMatches = Lists.newArrayList();
    Multimap<Object, IndexedBinding> indexedEntries = MultimapBuilder.hashKeys().hashSetValues().build();
    Indexer indexer = new Indexer(injector);
    int duplicates = 0;
    for (Binding<?> b : injector.getAllBindings().values()) {
        boolean contains = mapbinder.containsElement(b);
        Object visited = ((Binding<T>) b).acceptTargetVisitor(visitor);
        if (visited instanceof MapBinderBinding) {
            if (visited.equals(mapbinder)) {
                assertTrue(contains);
            } else {
                otherMapBindings.add(visited);
            }
        } else if (b.getKey().equals(mapOfProvider)) {
            assertTrue(contains);
            mapProviderMatch = true;
        } else if (b.getKey().equals(mapOfJavaxProvider)) {
            assertTrue(contains);
            mapJavaxProviderMatch = true;
        } else if (b.getKey().equals(mapOfSet)) {
            assertTrue(contains);
            mapSetMatch = true;
        } else if (b.getKey().equals(mapOfSetOfProvider)) {
            assertTrue(contains);
            mapSetProviderMatch = true;
        } else if (b.getKey().equals(mapOfSetOfJavaxProvider)) {
            assertTrue(contains);
            mapSetJavaxProviderMatch = true;
        } else if (b.getKey().equals(mapOfCollectionOfProvider)) {
            assertTrue(contains);
            mapCollectionProviderMatch = true;
        } else if (b.getKey().equals(mapOfCollectionOfJavaxProvider)) {
            assertTrue(contains);
            mapCollectionJavaxProviderMatch = true;
        } else if (b.getKey().equals(setOfEntry)) {
            assertTrue(contains);
            entrySetMatch = true;
            // Validate that this binding is also a MultibinderBinding.
            assertThat(((Binding<T>) b).acceptTargetVisitor(visitor)).isInstanceOf(MultibinderBinding.class);
        } else if (b.getKey().equals(setOfJavaxEntry)) {
            assertTrue(contains);
            javaxEntrySetMatch = true;
        } else if (b.getKey().equals(collectionOfProvidersOfEntryOfProvider)) {
            assertTrue(contains);
            collectionOfProvidersOfEntryOfProviderMatch = true;
        } else if (b.getKey().equals(collectionOfJavaxProvidersOfEntryOfProvider)) {
            assertTrue(contains);
            collectionOfJavaxProvidersOfEntryOfProviderMatch = true;
        } else if (b.getKey().equals(setOfExtendsOfEntryOfProvider)) {
            assertTrue(contains);
            setOfExtendsOfEntryOfProviderMatch = true;
        } else if (b.getKey().equals(mapOfKeyExtendsValueKey)) {
            assertTrue(contains);
            mapOfKeyExtendsValueKeyMatch = true;
        } else if (contains) {
            if (b instanceof ProviderInstanceBinding) {
                ProviderInstanceBinding<?> pib = (ProviderInstanceBinding<?>) b;
                if (pib.getUserSuppliedProvider() instanceof ProviderMapEntry) {
                    // weird casting required to workaround compilation issues with jdk6
                    ProviderMapEntry<?, ?> pme = (ProviderMapEntry<?, ?>) (Provider) pib.getUserSuppliedProvider();
                    Binding<?> valueBinding = injector.getBinding(pme.getValueKey());
                    if (indexer.isIndexable(valueBinding) && !indexedEntries.put(pme.getKey(), valueBinding.acceptTargetVisitor(indexer))) {
                        duplicates++;
                    }
                }
            }
            otherMatches.add(b);
        }
    }
    int sizeOfOther = otherMatches.size();
    if (allowDuplicates) {
        // account for 1 duplicate binding
        sizeOfOther--;
    }
    // Multiply by two because each has a value and Map.Entry.
    int expectedSize = 2 * (mapResults.size() + duplicates);
    assertEquals("Incorrect other matches:\n\t" + Joiner.on("\n\t").join(otherMatches), expectedSize, sizeOfOther);
    assertTrue(entrySetMatch);
    assertTrue(javaxEntrySetMatch);
    assertTrue(mapProviderMatch);
    assertTrue(mapJavaxProviderMatch);
    assertTrue(collectionOfProvidersOfEntryOfProviderMatch);
    assertTrue(collectionOfJavaxProvidersOfEntryOfProviderMatch);
    assertTrue(setOfExtendsOfEntryOfProviderMatch);
    assertTrue(mapOfKeyExtendsValueKeyMatch);
    assertEquals(allowDuplicates, mapSetMatch);
    assertEquals(allowDuplicates, mapSetProviderMatch);
    assertEquals(allowDuplicates, mapSetJavaxProviderMatch);
    assertEquals(allowDuplicates, mapCollectionJavaxProviderMatch);
    assertEquals(allowDuplicates, mapCollectionProviderMatch);
    assertEquals("other MapBindings found: " + otherMapBindings, expectedMapBindings, otherMapBindings.size());
}

Example 4 with MultibinderBinding

use of com.google.inject.multibindings.MultibinderBinding in project guice by google.

the class SpiUtils method mapInjectorTest.

@SuppressWarnings("unchecked")
private static <T> void mapInjectorTest(Key<T> mapKey, TypeLiteral<?> keyType, TypeLiteral<?> valueType, Iterable<? extends Module> modules, boolean allowDuplicates, int expectedMapBindings, MapResult... results) {
    Injector injector = Guice.createInjector(modules);
    Visitor<T> visitor = new Visitor<T>();
    Binding<T> mapBinding = injector.getBinding(mapKey);
    MapBinderBinding<T> mapbinder = (MapBinderBinding<T>) mapBinding.acceptTargetVisitor(visitor);
    assertNotNull(mapbinder);
    assertEquals(keyType, mapbinder.getKeyTypeLiteral());
    assertEquals(valueType, mapbinder.getValueTypeLiteral());
    assertEquals(allowDuplicates, mapbinder.permitsDuplicates());
    List<Map.Entry<?, Binding<?>>> entries = Lists.newArrayList(mapbinder.getEntries());
    List<MapResult> mapResults = Lists.newArrayList(results);
    assertEquals("wrong entries, expected: " + mapResults + ", but was: " + entries, mapResults.size(), entries.size());
    for (MapResult result : mapResults) {
        Map.Entry<?, Binding<?>> found = null;
        for (Map.Entry<?, Binding<?>> entry : entries) {
            Object key = entry.getKey();
            Binding<?> value = entry.getValue();
            if (key.equals(result.k) && matches(value, result.v)) {
                found = entry;
                break;
            }
        }
        if (found == null) {
            fail("Could not find entry: " + result + " in remaining entries: " + entries);
        } else {
            assertTrue("mapBinder doesn't contain: " + found.getValue(), mapbinder.containsElement(found.getValue()));
            entries.remove(found);
        }
    }
    if (!entries.isEmpty()) {
        fail("Found all entries of: " + mapResults + ", but more were left over: " + entries);
    }
    Key<?> mapOfJavaxProvider = mapKey.ofType(mapOfJavaxProviderOf(keyType, valueType));
    Key<?> mapOfProvider = mapKey.ofType(mapOfProviderOf(keyType, valueType));
    Key<?> mapOfSetOfProvider = mapKey.ofType(mapOfSetOfProviderOf(keyType, valueType));
    Key<?> mapOfSetOfJavaxProvider = mapKey.ofType(mapOfSetOfJavaxProviderOf(keyType, valueType));
    Key<?> mapOfCollectionOfProvider = mapKey.ofType(mapOfCollectionOfProviderOf(keyType, valueType));
    Key<?> mapOfCollectionOfJavaxProvider = mapKey.ofType(mapOfCollectionOfJavaxProviderOf(keyType, valueType));
    Key<?> mapOfSet = mapKey.ofType(mapOf(keyType, setOf(valueType)));
    Key<?> setOfEntry = mapKey.ofType(setOf(entryOfProviderOf(keyType, valueType)));
    Key<?> setOfJavaxEntry = mapKey.ofType(setOf(entryOfJavaxProviderOf(keyType, valueType)));
    Key<?> collectionOfProvidersOfEntryOfProvider = mapKey.ofType(collectionOfProvidersOf(entryOfProviderOf(keyType, valueType)));
    Key<?> collectionOfJavaxProvidersOfEntryOfProvider = mapKey.ofType(collectionOfJavaxProvidersOf(entryOfProviderOf(keyType, valueType)));
    boolean entrySetMatch = false;
    boolean javaxEntrySetMatch = false;
    boolean mapJavaxProviderMatch = false;
    boolean mapProviderMatch = false;
    boolean mapSetMatch = false;
    boolean mapSetProviderMatch = false;
    boolean mapSetJavaxProviderMatch = false;
    boolean mapCollectionProviderMatch = false;
    boolean mapCollectionJavaxProviderMatch = false;
    boolean collectionOfProvidersOfEntryOfProviderMatch = false;
    boolean collectionOfJavaxProvidersOfEntryOfProviderMatch = false;
    List<Object> otherMapBindings = Lists.newArrayList();
    List<Binding> otherMatches = Lists.newArrayList();
    Multimap<Object, IndexedBinding> indexedEntries = MultimapBuilder.hashKeys().hashSetValues().build();
    Indexer indexer = new Indexer(injector);
    int duplicates = 0;
    for (Binding b : injector.getAllBindings().values()) {
        boolean contains = mapbinder.containsElement(b);
        Object visited = b.acceptTargetVisitor(visitor);
        if (visited instanceof MapBinderBinding) {
            if (visited.equals(mapbinder)) {
                assertTrue(contains);
            } else {
                otherMapBindings.add(visited);
            }
        } else if (b.getKey().equals(mapOfProvider)) {
            assertTrue(contains);
            mapProviderMatch = true;
        } else if (b.getKey().equals(mapOfJavaxProvider)) {
            assertTrue(contains);
            mapJavaxProviderMatch = true;
        } else if (b.getKey().equals(mapOfSet)) {
            assertTrue(contains);
            mapSetMatch = true;
        } else if (b.getKey().equals(mapOfSetOfProvider)) {
            assertTrue(contains);
            mapSetProviderMatch = true;
        } else if (b.getKey().equals(mapOfSetOfJavaxProvider)) {
            assertTrue(contains);
            mapSetJavaxProviderMatch = true;
        } else if (b.getKey().equals(mapOfCollectionOfProvider)) {
            assertTrue(contains);
            mapCollectionProviderMatch = true;
        } else if (b.getKey().equals(mapOfCollectionOfJavaxProvider)) {
            assertTrue(contains);
            mapCollectionJavaxProviderMatch = true;
        } else if (b.getKey().equals(setOfEntry)) {
            assertTrue(contains);
            entrySetMatch = true;
            // Validate that this binding is also a MultibinderBinding.
            assertTrue(b.acceptTargetVisitor(visitor) instanceof MultibinderBinding);
        } else if (b.getKey().equals(setOfJavaxEntry)) {
            assertTrue(contains);
            javaxEntrySetMatch = true;
        } else if (b.getKey().equals(collectionOfProvidersOfEntryOfProvider)) {
            assertTrue(contains);
            collectionOfProvidersOfEntryOfProviderMatch = true;
        } else if (b.getKey().equals(collectionOfJavaxProvidersOfEntryOfProvider)) {
            assertTrue(contains);
            collectionOfJavaxProvidersOfEntryOfProviderMatch = true;
        } else if (contains) {
            if (b instanceof ProviderInstanceBinding) {
                ProviderInstanceBinding<?> pib = (ProviderInstanceBinding<?>) b;
                if (pib.getUserSuppliedProvider() instanceof ProviderMapEntry) {
                    // weird casting required to workaround compilation issues with jdk6
                    ProviderMapEntry<?, ?> pme = (ProviderMapEntry<?, ?>) (Provider) pib.getUserSuppliedProvider();
                    Binding<?> valueBinding = injector.getBinding(pme.getValueKey());
                    if (indexer.isIndexable(valueBinding) && !indexedEntries.put(pme.getKey(), valueBinding.acceptTargetVisitor(indexer))) {
                        duplicates++;
                    }
                }
            }
            otherMatches.add(b);
        }
    }
    int sizeOfOther = otherMatches.size();
    if (allowDuplicates) {
        // account for 1 duplicate binding
        sizeOfOther--;
    }
    // Multiply by two because each has a value and Map.Entry.
    int expectedSize = 2 * (mapResults.size() + duplicates);
    assertEquals("Incorrect other matches:\n\t" + Joiner.on("\n\t").join(otherMatches), expectedSize, sizeOfOther);
    assertTrue(entrySetMatch);
    assertTrue(javaxEntrySetMatch);
    assertTrue(mapProviderMatch);
    assertTrue(mapJavaxProviderMatch);
    assertTrue(collectionOfProvidersOfEntryOfProviderMatch);
    assertTrue(collectionOfJavaxProvidersOfEntryOfProviderMatch);
    assertEquals(allowDuplicates, mapSetMatch);
    assertEquals(allowDuplicates, mapSetProviderMatch);
    assertEquals(allowDuplicates, mapSetJavaxProviderMatch);
    assertEquals(allowDuplicates, mapCollectionJavaxProviderMatch);
    assertEquals(allowDuplicates, mapCollectionProviderMatch);
    assertEquals("other MapBindings found: " + otherMapBindings, expectedMapBindings, otherMapBindings.size());
}

Example 5 with MultibinderBinding

use of com.google.inject.multibindings.MultibinderBinding in project guice by google.

the class SpiUtils method setInjectorTest.

@SuppressWarnings("unchecked")
private static <T> void setInjectorTest(Key<Set<T>> setKey, TypeLiteral<?> elementType, Iterable<? extends Module> modules, boolean allowDuplicates, int otherMultibindings, BindResult<T>... results) {
    Key<?> collectionOfProvidersKey = setKey.ofType(collectionOfProvidersOf(elementType));
    Key<?> collectionOfJavaxProvidersKey = setKey.ofType(collectionOfJavaxProvidersOf(elementType));
    Key<?> setOfExtendsKey = setKey.ofType(setOfExtendsOf(elementType));
    Injector injector = Guice.createInjector(modules);
    Visitor<Set<T>> visitor = new Visitor<>();
    Binding<Set<T>> binding = injector.getBinding(setKey);
    MultibinderBinding<Set<T>> multibinder = (MultibinderBinding<Set<T>>) binding.acceptTargetVisitor(visitor);
    assertNotNull(multibinder);
    assertEquals(setKey, multibinder.getSetKey());
    assertEquals(elementType, multibinder.getElementTypeLiteral());
    assertEquals(allowDuplicates, multibinder.permitsDuplicates());
    assertEquals(ImmutableSet.of(collectionOfProvidersKey, collectionOfJavaxProvidersKey, setOfExtendsKey), multibinder.getAlternateSetKeys());
    List<Binding<?>> elements = Lists.newArrayList(multibinder.getElements());
    List<BindResult<?>> bindResults = Lists.newArrayList(results);
    assertEquals("wrong bind elements, expected: " + bindResults + ", but was: " + multibinder.getElements(), bindResults.size(), elements.size());
    for (BindResult<?> result : bindResults) {
        Binding<?> found = null;
        for (Binding<?> item : elements) {
            if (matches(item, result)) {
                found = item;
                break;
            }
        }
        if (found == null) {
            fail("Could not find element: " + result + " in remaining elements: " + elements);
        } else {
            elements.remove(found);
        }
    }
    if (!elements.isEmpty()) {
        fail("Found all elements of: " + bindResults + ", but more were left over: " + elements);
    }
    Set<Binding<?>> setOfElements = new HashSet<>(multibinder.getElements());
    Set<IndexedBinding> setOfIndexed = Sets.newHashSet();
    Indexer indexer = new Indexer(injector);
    for (Binding<?> oneBinding : setOfElements) {
        setOfIndexed.add(oneBinding.acceptTargetVisitor(indexer));
    }
    List<Object> otherMultibinders = Lists.newArrayList();
    List<Binding<?>> otherContains = Lists.newArrayList();
    boolean collectionOfProvidersMatch = false;
    boolean collectionOfJavaxProvidersMatch = false;
    boolean setOfExtendsKeyMatch = false;
    for (Binding<?> b : injector.getAllBindings().values()) {
        boolean contains = multibinder.containsElement(b);
        Key<?> key = b.getKey();
        Object visited = ((Binding<Set<T>>) b).acceptTargetVisitor(visitor);
        if (visited != null) {
            if (visited.equals(multibinder)) {
                assertTrue(contains);
            } else {
                otherMultibinders.add(visited);
            }
        } else if (setOfElements.contains(b)) {
            assertTrue(contains);
        } else if (key.equals(collectionOfProvidersKey)) {
            assertTrue(contains);
            collectionOfProvidersMatch = true;
        } else if (key.equals(collectionOfJavaxProvidersKey)) {
            assertTrue(contains);
            collectionOfJavaxProvidersMatch = true;
        } else if (key.equals(setOfExtendsKey)) {
            assertTrue(contains);
            setOfExtendsKeyMatch = true;
        } else if (contains) {
            if (!indexer.isIndexable(b) || !setOfIndexed.contains(b.acceptTargetVisitor(indexer))) {
                otherContains.add(b);
            }
        }
    }
    assertTrue(collectionOfProvidersMatch);
    assertTrue(collectionOfJavaxProvidersMatch);
    assertTrue(setOfExtendsKeyMatch);
    if (allowDuplicates) {
        assertEquals("contained more than it should: " + otherContains, 1, otherContains.size());
    } else {
        assertTrue("contained more than it should: " + otherContains, otherContains.isEmpty());
    }
    assertEquals("other multibindings found: " + otherMultibinders, otherMultibindings, otherMultibinders.size());
}