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Unit tests for Types by NotJustAnna · Pull Request #43 · rethinkdb/rethinkdb-java · GitHub

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Unit tests for Types #43

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NotJustAnna merged 1 commit into from
Mar 29, 2020
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Unit tests for Types #43

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105 changes: 105 additions & 0 deletions src/test/java/com/rethinkdb/TypesTest.java
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Original file line number Diff line number Diff line change
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package com.rethinkdb;

import com.fasterxml.jackson.core.type.TypeReference;
import com.rethinkdb.utils.Types;
import org.junit.Test;

import java.util.List;
import java.util.Map;
import java.util.Set;

import static org.junit.Assert.*;

public class TypesTest {
private interface T {}
private interface K {}
private interface V {}

private static final TypeReference<T> TYPE_REF_T = new TypeReference<T>() {};
private static final TypeReference<K> TYPE_REF_K = new TypeReference<K>() {};
private static final TypeReference<V> TYPE_REF_V = new TypeReference<V>() {};
private static final TypeReference<List<V>> TYPE_REF_LIST_V = new TypeReference<List<V>>() {};
private static final TypeReference<List<T>> TYPE_REF_LIST_T = new TypeReference<List<T>>() {};
private static final TypeReference<Set<T>> TYPE_REF_SET_T = new TypeReference<Set<T>>() {};
private static final TypeReference<Map<K, V>> TYPE_REF_MAP_K_V = new TypeReference<Map<K, V>>() {};
private static final TypeReference<Map<K, List<V>>> TYPE_REF_MAP_K_LIST_V = new TypeReference<Map<K, List<V>>>() {};

private static <T> void assertType(TypeReference<T> expected, TypeReference<T> actual) {
assertEquals(expected.getType(), actual.getType());
}

@Test
public void testOf() {
assertType(TYPE_REF_T, Types.of(T.class));
}

@Test(expected = NullPointerException.class)
public void testNullClassOf() {
Types.of(null);
}

@Test
public void testListOf() {
assertType(TYPE_REF_LIST_T, Types.listOf(T.class));
assertType(TYPE_REF_LIST_T, Types.listOf(TYPE_REF_T));
}

@Test(expected = NullPointerException.class)
public void testNullClassListOf() {
Types.listOf((Class<Object>) null);
}

@Test(expected = NullPointerException.class)
public void testNullTypeListOf() {
Types.listOf((TypeReference<Object>) null);
}

@Test
public void testSetOf() {
assertType(TYPE_REF_SET_T, Types.setOf(T.class));
assertType(TYPE_REF_SET_T, Types.setOf(TYPE_REF_T));
}

@Test(expected = NullPointerException.class)
public void testNullClassSetOf() {
Types.setOf((Class<Object>) null);
}

@Test(expected = NullPointerException.class)
public void testNullTypeSetOf() {
Types.setOf((TypeReference<Object>) null);
}

@Test
public void testMapOf() {
assertType(TYPE_REF_MAP_K_V, Types.mapOf(K.class, V.class));
assertType(TYPE_REF_MAP_K_V, Types.mapOf(TYPE_REF_K, V.class));
assertType(TYPE_REF_MAP_K_V, Types.mapOf(K.class, TYPE_REF_V));
assertType(TYPE_REF_MAP_K_V, Types.mapOf(TYPE_REF_K, TYPE_REF_V));

assertType(TYPE_REF_MAP_K_LIST_V, Types.mapOf(K.class, Types.listOf(V.class)));
assertType(TYPE_REF_MAP_K_LIST_V, Types.mapOf(TYPE_REF_K, Types.listOf(TYPE_REF_V)));
assertType(TYPE_REF_MAP_K_LIST_V, Types.mapOf(K.class, TYPE_REF_LIST_V));
assertType(TYPE_REF_MAP_K_LIST_V, Types.mapOf(TYPE_REF_K, TYPE_REF_LIST_V));
}

@Test(expected = NullPointerException.class)
public void testNullClassKeyMapOf() {
Types.mapOf((Class<Object>) null, V.class);
}

@Test(expected = NullPointerException.class)
public void testNullTypeKeyMapOf() {
Types.mapOf((TypeReference<Object>) null, V.class);
}

@Test(expected = NullPointerException.class)
public void testNullClassValueMapOf() {
Types.mapOf(K.class, (Class<Object>) null);
}

@Test(expected = NullPointerException.class)
public void testNullTypeValueMapOf() {
Types.mapOf(K.class, (TypeReference<Object>) null);
}
}
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