com.google.api.client.test.json.AbstractJsonParserTest Maven / Gradle / Ivy
/**
* Copyright 2019 Google LLC
*
* 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
*
*
https://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 com.google.api.client.test.json;
import com.google.api.client.json.GenericJson;
import com.google.api.client.json.JsonFactory;
import com.google.api.client.json.JsonObjectParser;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.math.BigDecimal;
import java.nio.charset.StandardCharsets;
import junit.framework.TestCase;
import org.junit.Assert;
public abstract class AbstractJsonParserTest extends TestCase {
protected abstract JsonFactory newJsonFactory();
private static final String TEST_JSON =
"{\"strValue\": \"bar\", \"intValue\": 123, \"boolValue\": false}";
private static final String TEST_JSON_BIG_DECIMAL = "{\"bigDecimalValue\": 1559341956102}";
public void testParse_basic() throws IOException {
JsonObjectParser parser = new JsonObjectParser(newJsonFactory());
InputStream inputStream = new ByteArrayInputStream(TEST_JSON.getBytes(StandardCharsets.UTF_8));
GenericJson json = parser.parseAndClose(inputStream, StandardCharsets.UTF_8, GenericJson.class);
assertTrue(json.get("strValue") instanceof String);
assertEquals("bar", json.get("strValue"));
assertTrue(json.get("intValue") instanceof BigDecimal);
assertEquals(new BigDecimal(123), json.get("intValue"));
assertTrue(json.get("boolValue") instanceof Boolean);
assertEquals(Boolean.FALSE, json.get("boolValue"));
}
public void testGetWrongType() throws IOException {
JsonObjectParser parser = new JsonObjectParser(newJsonFactory());
InputStream inputStream = new ByteArrayInputStream(TEST_JSON.getBytes(StandardCharsets.UTF_8));
GenericJson json = parser.parseAndClose(inputStream, StandardCharsets.UTF_8, GenericJson.class);
assertTrue(json.get("strValue") instanceof String);
assertEquals("bar", json.get("strValue"));
assertTrue(json.get("intValue") instanceof BigDecimal);
assertEquals(new BigDecimal(123), json.get("intValue"));
assertTrue(json.get("boolValue") instanceof Boolean);
assertEquals(Boolean.FALSE, json.get("boolValue"));
}
public void testParse_badJson() throws IOException {
JsonObjectParser parser = new JsonObjectParser(newJsonFactory());
InputStream inputStream = new ByteArrayInputStream("not json".getBytes(StandardCharsets.UTF_8));
try {
parser.parseAndClose(inputStream, StandardCharsets.UTF_8, GenericJson.class);
fail("Malformed JSON not detected");
} catch (IOException ex) {
Assert.assertNotNull(ex.getMessage());
}
}
public void testParse_bigDecimal() throws IOException {
JsonObjectParser parser = new JsonObjectParser(newJsonFactory());
InputStream inputStream =
new ByteArrayInputStream(TEST_JSON_BIG_DECIMAL.getBytes(StandardCharsets.UTF_8));
GenericJson json = parser.parseAndClose(inputStream, StandardCharsets.UTF_8, GenericJson.class);
assertTrue(json.get("bigDecimalValue") instanceof BigDecimal);
assertEquals(new BigDecimal("1559341956102"), json.get("bigDecimalValue"));
}
}