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/*
* ============LICENSE_START=======================================================
* ONAP : APPC
* ================================================================================
* Copyright (C) 2018 Nokia. All rights reserved.
* Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
* =============================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.onap.appc.adapter.chef.chefclient.impl;
import static junit.framework.TestCase.assertEquals;
import static org.mockito.BDDMockito.given;
import static org.mockito.Matchers.argThat;
import static org.mockito.Mockito.mock;
import com.google.common.collect.ImmutableMap;
import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.function.Supplier;
import org.apache.http.Header;
import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
import org.apache.http.StatusLine;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpRequestBase;
import org.apache.http.entity.StringEntity;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.ArgumentMatcher;
import org.mockito.InjectMocks;
import org.mockito.Mock;
import org.mockito.runners.MockitoJUnitRunner;
import org.onap.appc.adapter.chef.chefclient.ChefApiClientFactory;
import org.onap.appc.adapter.chef.chefclient.api.ChefApiClient;
import org.onap.appc.adapter.chef.chefclient.api.ChefResponse;
@RunWith(MockitoJUnitRunner.class)
public class ChefApiClientImplTest {
private static final String END_POINT = "https://chefServer";
private static final String ORGANIZATIONS_PATH = "onap";
private static final String USER_ID = "testUser";
private static final String REQUEST_PATH = "/test/path";
private static final String BODY = "SOME BODY STRING";
private static final String PEM_FILEPATH = "path/to/pemFile";
private static final ImmutableMap<String, String> HEADERS = ImmutableMap.<String, String>builder()
.put("Content-type", "application/json")
.put("Accept", "application/json")
.put("X-Ops-Timestamp", "1970-01-15T06:56:07Z")
.put("X-Ops-UserId", USER_ID)
.put("X-Chef-Version", "12.4.1")
.put("X-Ops-Content-Hash", BODY)
.put("X-Ops-Sign", "version=1.0").build();
@Mock
private HttpClient httpClient;
@Mock
private ChefApiHeaderFactory chefHttpHeaderFactory;
@InjectMocks
private ChefApiClientFactory chefApiClientFactory;
private ChefApiClient chefApiClient;
@Before
public void setUp() {
chefApiClient = chefApiClientFactory.create(
END_POINT,
ORGANIZATIONS_PATH,
USER_ID,
PEM_FILEPATH);
}
@Test
public void execute_HttpGet_shouldReturnResponseObject_whenRequestIsSuccessful() throws IOException {
// GIVEN
String methodName = "GET";
String body = "";
Supplier<ChefResponse> chefClientApiCall = () -> chefApiClient.get(REQUEST_PATH);
// WHEN //THEN
assertChefApiClientCall(methodName, body, chefClientApiCall);
}
@Test
public void execute_HttpDelete_shouldReturnResponseObject_whenRequestIsSuccessful() throws IOException {
// GIVEN
String methodName = "DELETE";
String body = "";
Supplier<ChefResponse> chefClientApiCall = () -> chefApiClient.delete(REQUEST_PATH);
// WHEN //THEN
assertChefApiClientCall(methodName, body, chefClientApiCall);
}
@Test
public void execute_HttpPost_shouldReturnResponseObject_whenRequestIsSuccessful() throws IOException {
// GIVEN
String methodName = "POST";
Supplier<ChefResponse> chefClientApiCall = () -> chefApiClient.post(REQUEST_PATH, BODY);
// WHEN //THEN
assertChefApiClientCall(methodName, BODY, chefClientApiCall);
}
@Test
public void execute_HttpPut_shouldReturnResponseObject_whenRequestIsSuccessful() throws IOException {
// GIVEN
String methodName = "PUT";
Supplier<ChefResponse> chefClientApiCall = () -> chefApiClient.put(REQUEST_PATH, BODY);
// WHEN //THEN
assertChefApiClientCall(methodName, BODY, chefClientApiCall);
}
private void assertChefApiClientCall(String methodName, String body, Supplier<ChefResponse> httpMethod)
throws IOException {
// GIVEN
given(chefHttpHeaderFactory.create(methodName, REQUEST_PATH, body, USER_ID, ORGANIZATIONS_PATH, PEM_FILEPATH))
.willReturn(HEADERS);
StatusLine statusLine = mock(StatusLine.class);
given(statusLine.getStatusCode()).willReturn(HttpStatus.SC_OK);
HttpResponse httpResponse = mock(HttpResponse.class);
given(httpResponse.getStatusLine()).willReturn(statusLine);
given(httpResponse.getEntity()).willReturn(new StringEntity("Successful Response String"));
given(httpClient.execute(argThat(new HttpRequestBaseMatcher(methodName))))
.willReturn(httpResponse);
// WHEN
ChefResponse chefResponse = httpMethod.get();
// THEN
assertEquals("Successful Response String", chefResponse.getBody());
assertEquals(HttpStatus.SC_OK, chefResponse.getStatusCode());
}
@Test
public void execute_shouldHandleException_whenHttpClientExecutionFails() throws IOException {
// GIVEN
given(chefHttpHeaderFactory.create("GET", REQUEST_PATH, "", USER_ID, ORGANIZATIONS_PATH, PEM_FILEPATH))
.willReturn(HEADERS);
String expectedErrorMsg = "HttpClient call failed";
given(httpClient.execute(argThat(new HttpRequestBaseMatcher("GET"))))
.willThrow(new IOException(expectedErrorMsg));
// WHEN
ChefResponse chefResponse = chefApiClient.get(REQUEST_PATH);
// THEN
assertEquals(expectedErrorMsg, chefResponse.getBody());
assertEquals(HttpStatus.SC_INTERNAL_SERVER_ERROR, chefResponse.getStatusCode());
}
@Test
public void execute_shouldHandleException_whenEndpointURIisMalformed() {
// GIVEN
String expectedErrorMsg = "Malformed escape pair at index 1: /%#@/";
// WHEN
ChefApiClient chefApiClient = chefApiClientFactory.create(
"/%#@/",
ORGANIZATIONS_PATH,
USER_ID,
PEM_FILEPATH);
ChefResponse chefResponse = chefApiClient.get(REQUEST_PATH);
// THEN
assertEquals(expectedErrorMsg, chefResponse.getBody());
assertEquals(HttpStatus.SC_INTERNAL_SERVER_ERROR, chefResponse.getStatusCode());
}
private class HttpRequestBaseMatcher extends ArgumentMatcher<HttpRequestBase> {
private final String methodName;
public HttpRequestBaseMatcher(String methodName) {
this.methodName = methodName;
}
@Override
public boolean matches(Object argument) {
HttpRequestBase httpRequestBase = (HttpRequestBase) argument;
boolean headersMatch = checkIfHeadersMatch(httpRequestBase);
try {
return methodName.equals(httpRequestBase.getMethod())
&& new URI(END_POINT + "/organizations/" + ORGANIZATIONS_PATH + REQUEST_PATH).equals(httpRequestBase.getURI())
&& headersMatch;
} catch (URISyntaxException e) {
e.printStackTrace();
return false;
}
}
private boolean checkIfHeadersMatch(HttpRequestBase httpRequestBase) {
Header[] generatedHeaders = httpRequestBase.getAllHeaders();
return generatedHeaders.length > 0
&& generatedHeaders.length == HEADERS.size()
&& HEADERS.entrySet().stream()
.allMatch(p -> httpRequestBase.getFirstHeader(p.getKey()).getValue().equals(p.getValue()));
}
}
}
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