package jnpf.dmsPermission;
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import jnpf.permission.UserApi;
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import jnpf.permission.entity.UserEntity;
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import org.junit.jupiter.api.Test;
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import org.mockito.ArgumentCaptor;
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import java.util.Arrays;
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import java.util.Collections;
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import java.util.List;
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import java.util.Map;
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import static org.junit.jupiter.api.Assertions.assertEquals;
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import static org.junit.jupiter.api.Assertions.assertFalse;
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import static org.mockito.ArgumentMatchers.anyList;
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import static org.mockito.Mockito.mock;
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import static org.mockito.Mockito.verify;
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import static org.mockito.Mockito.when;
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class DmsUserDisplayNameResolverTest {
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@Test
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void resolvesDistinctUsersInOneBatchAndFormatsAvailableFields() {
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UserApi userApi = mock(UserApi.class);
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DmsUserDisplayNameResolver resolver = new DmsUserDisplayNameResolver(userApi);
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when(userApi.getUserName(anyList())).thenReturn(Arrays.asList(
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user("user-1", "张三", "zhangsan"),
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user("user-2", "李四", null),
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user("user-3", null, "wangwu"),
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user("user-4", " ", " ")));
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Map<String, String> result = resolver.resolve(Arrays.asList(
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"user-1", " user-1 ", "user-2", "user-3", "user-4", null));
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assertEquals("张三（zhangsan）", result.get("user-1"));
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assertEquals("李四", result.get("user-2"));
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assertEquals("wangwu", result.get("user-3"));
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assertFalse(result.containsKey("user-4"));
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ArgumentCaptor<List<String>> ids = ArgumentCaptor.forClass(List.class);
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verify(userApi).getUserName(ids.capture());
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assertEquals(Arrays.asList("user-1", "user-2", "user-3", "user-4"), ids.getValue());
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}
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@Test
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void returnsEmptyMapWhenUserServiceIsUnavailable() {
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UserApi userApi = mock(UserApi.class);
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DmsUserDisplayNameResolver resolver = new DmsUserDisplayNameResolver(userApi);
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when(userApi.getUserName(anyList())).thenThrow(new IllegalStateException("unavailable"));
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Map<String, String> result = resolver.resolve(Collections.singletonList("user-1"));
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assertEquals(Collections.emptyMap(), result);
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}
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private UserEntity user(String id, String realName, String account) {
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UserEntity result = new UserEntity();
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result.setId(id);
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result.setRealName(realName);
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result.setAccount(account);
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return result;
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}
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}
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