/*
 * Copyright 2012-2018 the original author or authors.
 *
 * 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 org.springframework.boot.actuate.audit;

import java.util.Collections;

import org.json.JSONObject;
import org.junit.Test;

import org.springframework.http.converter.json.Jackson2ObjectMapperBuilder;

import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThatIllegalArgumentException;

/**
 * Tests for {@link AuditEvent}.
 *
 * @author Dave Syer
 * @author Vedran Pavic
 */
public class AuditEventTests {

	@Test
	public void nowEvent() {
		AuditEvent event = new AuditEvent("phil", "UNKNOWN",
				Collections.singletonMap("a", (Object) "b"));
		assertThat(event.getData().get("a")).isEqualTo("b");
		assertThat(event.getType()).isEqualTo("UNKNOWN");
		assertThat(event.getPrincipal()).isEqualTo("phil");
		assertThat(event.getTimestamp()).isNotNull();
	}

	@Test
	public void convertStringsToData() {
		AuditEvent event = new AuditEvent("phil", "UNKNOWN", "a=b", "c=d");
		assertThat(event.getData().get("a")).isEqualTo("b");
		assertThat(event.getData().get("c")).isEqualTo("d");
	}

	@Test
	public void nullPrincipalIsMappedToEmptyString() {
		AuditEvent auditEvent = new AuditEvent(null, "UNKNOWN",
				Collections.singletonMap("a", (Object) "b"));
		assertThat(auditEvent.getPrincipal()).isEmpty();
	}

	@Test
	public void nullTimestamp() {
		assertThatIllegalArgumentException()
				.isThrownBy(() -> new AuditEvent(null, "phil", "UNKNOWN",
						Collections.singletonMap("a", (Object) "b")))
				.withMessageContaining("Timestamp must not be null");
	}

	@Test
	public void nullType() {
		assertThatIllegalArgumentException()
				.isThrownBy(() -> new AuditEvent("phil", null,
						Collections.singletonMap("a", (Object) "b")))
				.withMessageContaining("Type must not be null");
	}

	@Test
	public void jsonFormat() throws Exception {
		AuditEvent event = new AuditEvent("johannes", "UNKNOWN",
				Collections.singletonMap("type", (Object) "BadCredentials"));
		String json = Jackson2ObjectMapperBuilder.json().build()
				.writeValueAsString(event);
		JSONObject jsonObject = new JSONObject(json);
		assertThat(jsonObject.getString("type")).isEqualTo("UNKNOWN");
		assertThat(jsonObject.getJSONObject("data").getString("type"))
				.isEqualTo("BadCredentials");
	}

}
