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| 1 | +/* |
| 2 | + * Jooby https://jooby.io |
| 3 | + * Apache License Version 2.0 https://jooby.io/LICENSE.txt |
| 4 | + * Copyright 2014 Edgar Espina |
| 5 | + */ |
| 6 | +package io.jooby; |
| 7 | + |
| 8 | +import static org.junit.jupiter.api.Assertions.*; |
| 9 | + |
| 10 | +import java.util.*; |
| 11 | + |
| 12 | +import org.junit.jupiter.api.BeforeEach; |
| 13 | +import org.junit.jupiter.api.Test; |
| 14 | + |
| 15 | +import io.jooby.exception.RegistryException; |
| 16 | +import jakarta.inject.Provider; |
| 17 | + |
| 18 | +public class ServiceRegistryTest { |
| 19 | + |
| 20 | + /** Simple concrete implementation of ServiceRegistry for testing default methods. */ |
| 21 | + private static class TestRegistry implements ServiceRegistry { |
| 22 | + private final Map<ServiceKey<?>, Provider<?>> storage = new HashMap<>(); |
| 23 | + |
| 24 | + @Override |
| 25 | + public Set<ServiceKey<?>> keySet() { |
| 26 | + return storage.keySet(); |
| 27 | + } |
| 28 | + |
| 29 | + @Override |
| 30 | + public Set<Map.Entry<ServiceKey<?>, Provider<?>>> entrySet() { |
| 31 | + return storage.entrySet(); |
| 32 | + } |
| 33 | + |
| 34 | + @SuppressWarnings("unchecked") |
| 35 | + @Override |
| 36 | + public <T> T getOrNull(ServiceKey<T> key) { |
| 37 | + Provider<T> provider = (Provider<T>) storage.get(key); |
| 38 | + return provider != null ? provider.get() : null; |
| 39 | + } |
| 40 | + |
| 41 | + @Override |
| 42 | + public <T> T put(ServiceKey<T> key, Provider<T> service) { |
| 43 | + storage.put(key, service); |
| 44 | + return null; // Simplified |
| 45 | + } |
| 46 | + |
| 47 | + @Override |
| 48 | + public <T> T put(ServiceKey<T> key, T service) { |
| 49 | + return put(key, (Provider<T>) () -> service); |
| 50 | + } |
| 51 | + |
| 52 | + @SuppressWarnings("unchecked") |
| 53 | + @Override |
| 54 | + public <T> T putIfAbsent(ServiceKey<T> key, Provider<T> service) { |
| 55 | + return (T) storage.putIfAbsent(key, service); |
| 56 | + } |
| 57 | + |
| 58 | + @Override |
| 59 | + public <T> T putIfAbsent(ServiceKey<T> key, T service) { |
| 60 | + return putIfAbsent(key, (Provider<T>) () -> service); |
| 61 | + } |
| 62 | + } |
| 63 | + |
| 64 | + private TestRegistry registry; |
| 65 | + |
| 66 | + @BeforeEach |
| 67 | + void setUp() { |
| 68 | + registry = new TestRegistry(); |
| 69 | + } |
| 70 | + |
| 71 | + @Test |
| 72 | + void testMapBinder() { |
| 73 | + ServiceRegistry.MapBinder<String, Integer> binder = registry.mapOf(String.class, Integer.class); |
| 74 | + binder.put("one", 1); |
| 75 | + binder.put("two", () -> 2); |
| 76 | + |
| 77 | + Map<String, Integer> map = binder.get(); |
| 78 | + assertEquals(1, map.get("one")); |
| 79 | + assertEquals(2, map.get("two")); |
| 80 | + assertThrows(UnsupportedOperationException.class, () -> map.put("three", 3)); // Unmodifiable |
| 81 | + } |
| 82 | + |
| 83 | + @Test |
| 84 | + void testMultiBinderList() { |
| 85 | + ServiceRegistry.MultiBinder<String> binder = registry.listOf(String.class); |
| 86 | + binder.add("a").add(() -> "b"); |
| 87 | + |
| 88 | + List<String> list = (List<String>) binder.get(); |
| 89 | + assertEquals(List.of("a", "b"), list); |
| 90 | + |
| 91 | + // Test Reified variant |
| 92 | + ServiceRegistry.MultiBinder<String> reifiedBinder = registry.listOf(Reified.get(String.class)); |
| 93 | + reifiedBinder.add("c"); |
| 94 | + assertTrue(reifiedBinder.get().contains("c")); |
| 95 | + } |
| 96 | + |
| 97 | + @Test |
| 98 | + void testMultiBinderSet() { |
| 99 | + ServiceRegistry.MultiBinder<String> binder = registry.setOf(String.class); |
| 100 | + binder.add("a").add("a"); // Duplicate |
| 101 | + |
| 102 | + Set<String> set = (Set<String>) binder.get(); |
| 103 | + assertEquals(1, set.size()); |
| 104 | + |
| 105 | + // Test Reified variant |
| 106 | + ServiceRegistry.MultiBinder<String> reifiedBinder = registry.setOf(Reified.get(String.class)); |
| 107 | + assertNotNull(reifiedBinder); |
| 108 | + } |
| 109 | + |
| 110 | + @Test |
| 111 | + void testGetVariants() { |
| 112 | + registry.put(String.class, "hello"); |
| 113 | + |
| 114 | + assertEquals("hello", registry.get(String.class)); |
| 115 | + assertEquals("hello", registry.get(Reified.get(String.class))); |
| 116 | + assertEquals("hello", registry.require(String.class)); |
| 117 | + assertEquals("hello", registry.require(Reified.get(String.class))); |
| 118 | + |
| 119 | + registry.put(ServiceKey.key(String.class, "named"), "world"); |
| 120 | + assertEquals("world", registry.require(String.class, "named")); |
| 121 | + assertEquals("world", registry.require(Reified.get(String.class), "named")); |
| 122 | + } |
| 123 | + |
| 124 | + @Test |
| 125 | + void testGetNotFound() { |
| 126 | + assertThrows(RegistryException.class, () -> registry.get(String.class)); |
| 127 | + assertNull(registry.getOrNull(String.class)); |
| 128 | + assertNull(registry.getOrNull(Reified.get(String.class))); |
| 129 | + } |
| 130 | + |
| 131 | + @Test |
| 132 | + void testPutIfAbsentVariants() { |
| 133 | + registry.putIfAbsent(String.class, "first"); |
| 134 | + registry.putIfAbsent(String.class, "second"); |
| 135 | + assertEquals("first", registry.get(String.class)); |
| 136 | + |
| 137 | + registry.putIfAbsent(Integer.class, (Provider<Integer>) () -> 10); |
| 138 | + assertEquals(10, registry.get(Integer.class)); |
| 139 | + |
| 140 | + registry.putIfAbsent(Reified.get(Long.class), 100L); |
| 141 | + assertEquals(100L, registry.get(Long.class)); |
| 142 | + |
| 143 | + registry.putIfAbsent(Double.class, (Provider<Double>) () -> 1.1); |
| 144 | + assertEquals(1.1, registry.get(Double.class)); |
| 145 | + } |
| 146 | + |
| 147 | + @Test |
| 148 | + void testMultiBinderTypeMismatch() { |
| 149 | + // Register a raw String where a MapBinder is expected |
| 150 | + registry.put( |
| 151 | + ServiceKey.key(Reified.map(String.class, String.class)), |
| 152 | + new Provider<Map<Object, Object>>() { |
| 153 | + @Override |
| 154 | + public Map<Object, Object> get() { |
| 155 | + return Map.of("key", "value"); |
| 156 | + } |
| 157 | + }); |
| 158 | + |
| 159 | + assertThrows(RegistryException.class, () -> registry.mapOf(String.class, String.class)); |
| 160 | + } |
| 161 | + |
| 162 | + @Test |
| 163 | + void testMapOfWithReified() { |
| 164 | + ServiceRegistry.MapBinder<String, List<String>> binder = |
| 165 | + registry.mapOf(String.class, new Reified<List<String>>() {}); |
| 166 | + assertNotNull(binder); |
| 167 | + } |
| 168 | +} |
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