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/**
* Copyright (c) 2008, SnakeYAML
*
* 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.yaml.snakeyaml.emitter;
import java.io.IOException;
import java.io.StringWriter;
import java.util.Arrays;
import java.util.Collections;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.TreeMap;
import junit.framework.TestCase;
import org.yaml.snakeyaml.DumperOptions;
import org.yaml.snakeyaml.DumperOptions.FlowStyle;
import org.yaml.snakeyaml.DumperOptions.ScalarStyle;
import org.yaml.snakeyaml.Yaml;
import org.yaml.snakeyaml.events.DocumentStartEvent;
import org.yaml.snakeyaml.events.ImplicitTuple;
import org.yaml.snakeyaml.events.ScalarEvent;
import org.yaml.snakeyaml.events.StreamStartEvent;
public class EmitterTest extends TestCase {
public void testWriteFolded() {
DumperOptions options = new DumperOptions();
options.setDefaultScalarStyle(ScalarStyle.FOLDED);
String folded = "0123456789 0123456789\n0123456789 0123456789";
Map<String, String> map = new LinkedHashMap<String, String>();
map.put("aaa", folded);
map.put("bbb", "\nbla-bla\n");
Yaml yaml = new Yaml(options);
String output = yaml.dump(map);
String etalon =
"\"aaa\": >-\n 0123456789 0123456789\n\n 0123456789 0123456789\n\"bbb\": >2\n\n bla-bla\n";
assertEquals(etalon, output);
}
public void testWriteLiteral() {
DumperOptions options = new DumperOptions();
options.setDefaultScalarStyle(ScalarStyle.LITERAL);
String folded = "0123456789 0123456789 0123456789 0123456789";
Map<String, String> map = new LinkedHashMap<String, String>();
map.put("aaa", folded);
map.put("bbb", "\nbla-bla\n");
Yaml yaml = new Yaml(options);
String output = yaml.dump(map);
String etalon =
"\"aaa\": |-\n 0123456789 0123456789 0123456789 0123456789\n\"bbb\": |2\n\n bla-bla\n";
assertEquals(etalon, output);
}
public void testWritePlain() {
DumperOptions options = new DumperOptions();
options.setDefaultScalarStyle(ScalarStyle.PLAIN);
String folded = "0123456789 0123456789\n0123456789 0123456789";
Map<String, String> map = new LinkedHashMap<String, String>();
map.put("aaa", folded);
map.put("bbb", "\nbla-bla");
Yaml yaml = new Yaml(options);
String output = yaml.dump(map);
String etalon =
"aaa: |-\n 0123456789 0123456789\n 0123456789 0123456789\nbbb: |2-\n\n bla-bla\n";
assertEquals(etalon, output);
}
public void testWritePlainPretty() {
DumperOptions options = new DumperOptions();
options.setDefaultScalarStyle(ScalarStyle.PLAIN);
options.setPrettyFlow(true);
String folded = "0123456789 0123456789\n0123456789 0123456789";
Map<String, String> map = new LinkedHashMap<String, String>();
map.put("aaa", folded);
map.put("bbb", "\nbla-bla");
Yaml yaml = new Yaml(options);
String output = yaml.dump(map);
String etalon =
"aaa: |-\n 0123456789 0123456789\n 0123456789 0123456789\nbbb: |2-\n\n bla-bla\n";
assertEquals(etalon, output);
}
public void testWriteSingleQuoted() {
DumperOptions options = new DumperOptions();
options.setDefaultScalarStyle(ScalarStyle.SINGLE_QUOTED);
String folded = "0123456789 0123456789\n0123456789 0123456789";
Map<String, String> map = new LinkedHashMap<String, String>();
map.put("aaa", folded);
map.put("bbb", "\nbla-bla");
Yaml yaml = new Yaml(options);
String output = yaml.dump(map);
String etalon =
"'aaa': '0123456789 0123456789\n\n 0123456789 0123456789'\n'bbb': '\n\n bla-bla'\n";
assertEquals(etalon, output);
}
public void testWriteDoubleQuoted() {
DumperOptions options = new DumperOptions();
options.setDefaultScalarStyle(ScalarStyle.DOUBLE_QUOTED);
String folded = "0123456789 0123456789\n0123456789 0123456789";
Map<String, String> map = new LinkedHashMap<String, String>();
map.put("aaa", folded);
map.put("bbb", "\nbla-bla");
Yaml yaml = new Yaml(options);
String output = yaml.dump(map);
String etalon =
"\"aaa\": \"0123456789 0123456789\\n0123456789 0123456789\"\n\"bbb\": \"\\nbla-bla\"\n";
assertEquals(etalon, output);
}
// Issue #158
public void testWriteSupplementaryUnicode() throws IOException {
DumperOptions options = new DumperOptions();
String burger = new String(Character.toChars(0x1f354));
String halfBurger = "\uD83C";
StringWriter output = new StringWriter();
Emitter emitter = new Emitter(output, options);
emitter.emit(new StreamStartEvent(null, null));
emitter.emit(new DocumentStartEvent(null, null, false, null, null));
emitter.emit(new ScalarEvent(null, null, new ImplicitTuple(true, false), burger + halfBurger,
null, null, DumperOptions.ScalarStyle.DOUBLE_QUOTED));
String expected = "! \"🍔\\ud83c\"";
assertEquals(expected, output.toString());
}
public void testSplitLineExpectFirstFlowSequenceItem() {
DumperOptions options = new DumperOptions();
options.setDefaultScalarStyle(DumperOptions.ScalarStyle.DOUBLE_QUOTED);
options.setDefaultFlowStyle(DumperOptions.FlowStyle.FLOW);
options.setWidth(8);
Yaml yaml;
String output;
Map<String, Object> map = new TreeMap<String, Object>();
map.put("12345", Collections.singletonList("1111111111"));
// Split lines enabled (default)
yaml = new Yaml(options);
output = yaml.dump(map);
assertEquals("{\"12345\": [\n \"1111111111\"]}\n", output);
// Split lines disabled
options.setSplitLines(false);
assertFalse(options.getSplitLines());
yaml = new Yaml(options);
output = yaml.dump(map);
assertEquals("{\"12345\": [\"1111111111\"]}\n", output);
}
public void testWriteIndicatorIndent() {
DumperOptions options = new DumperOptions();
options.setIndent(5);
options.setIndicatorIndent(2);
options.setDefaultFlowStyle(FlowStyle.BLOCK);
List<?> topLevel =
Arrays.asList(Collections.singletonMap("k1", "v1"), Collections.singletonMap("k2", "v2"));
Map<String, ?> map = Collections.singletonMap("aaa", topLevel);
Yaml yaml = new Yaml(options);
String output = yaml.dump(map);
String etalon = "aaa:\n - k1: v1\n - k2: v2\n";
assertEquals(etalon, output);
}
public void testSplitLineExpectFlowSequenceItem() {
DumperOptions options = new DumperOptions();
options.setDefaultScalarStyle(DumperOptions.ScalarStyle.DOUBLE_QUOTED);
options.setDefaultFlowStyle(DumperOptions.FlowStyle.FLOW);
options.setWidth(8);
Yaml yaml;
String output;
// Split lines enabled (default)
yaml = new Yaml(options);
output = yaml.dump(Arrays.asList("1111111111", "2222222222"));
assertEquals("[\"1111111111\",\n \"2222222222\"]\n", output);
output = yaml.dump(Arrays.asList("1", "2"));
assertEquals("[\"1\", \"2\"]\n", output);
// Split lines disabled
options.setSplitLines(false);
assertFalse(options.getSplitLines());
yaml = new Yaml(options);
output = yaml.dump(Arrays.asList("1111111111", "2222222222"));
assertEquals("[\"1111111111\", \"2222222222\"]\n", output);
output = yaml.dump(Arrays.asList("1", "2"));
assertEquals("[\"1\", \"2\"]\n", output);
}
public void testSplitLineExpectFirstFlowMappingKey() {
DumperOptions options = new DumperOptions();
options.setDefaultScalarStyle(DumperOptions.ScalarStyle.DOUBLE_QUOTED);
options.setDefaultFlowStyle(DumperOptions.FlowStyle.FLOW);
options.setWidth(16);
Yaml yaml;
String output;
Map<String, String> nonSplitMap = new TreeMap<String, String>();
nonSplitMap.put("3", "4");
Map<String, Map<String, String>> nonSplitContainerMap =
new TreeMap<String, Map<String, String>>();
nonSplitContainerMap.put("1 2", nonSplitMap);
Map<String, String> splitMap = new TreeMap<String, String>();
splitMap.put("3333333333", "4444444444");
Map<String, Map<String, String>> splitContainerMap = new TreeMap<String, Map<String, String>>();
splitContainerMap.put("1111111111 2222222222", splitMap);
// Split lines enabled (default)
yaml = new Yaml(options);
output = yaml.dump(splitContainerMap);
assertEquals("{\"1111111111 2222222222\": {\n \"3333333333\": \"4444444444\"}}\n", output);
output = yaml.dump(nonSplitContainerMap);
assertEquals("{\"1 2\": {\"3\": \"4\"}}\n", output);
// Split lines disabled
options.setSplitLines(false);
assertFalse(options.getSplitLines());
yaml = new Yaml(options);
output = yaml.dump(splitContainerMap);
assertEquals("{\"1111111111 2222222222\": {\"3333333333\": \"4444444444\"}}\n", output);
output = yaml.dump(nonSplitContainerMap);
assertEquals("{\"1 2\": {\"3\": \"4\"}}\n", output);
}
public void testSplitLineExpectFlowMappingKey() {
DumperOptions options = new DumperOptions();
options.setDefaultScalarStyle(DumperOptions.ScalarStyle.DOUBLE_QUOTED);
options.setDefaultFlowStyle(DumperOptions.FlowStyle.FLOW);
options.setWidth(16);
Yaml yaml;
String output;
Map<String, String> nonSplitMap = new TreeMap<String, String>();
nonSplitMap.put("1", "2");
nonSplitMap.put("3", "4");
Map<String, String> splitMap = new TreeMap<String, String>();
splitMap.put("1111111111", "2222222222");
splitMap.put("3333333333", "4444444444");
// Split lines enabled (default)
yaml = new Yaml(options);
output = yaml.dump(splitMap);
assertEquals("{\"1111111111\": \"2222222222\",\n \"3333333333\": \"4444444444\"}\n", output);
output = yaml.dump(nonSplitMap);
assertEquals("{\"1\": \"2\", \"3\": \"4\"}\n", output);
// Split lines disabled
options.setSplitLines(false);
assertFalse(options.getSplitLines());
yaml = new Yaml(options);
output = yaml.dump(splitMap);
assertEquals("{\"1111111111\": \"2222222222\", \"3333333333\": \"4444444444\"}\n", output);
output = yaml.dump(nonSplitMap);
assertEquals("{\"1\": \"2\", \"3\": \"4\"}\n", output);
}
public void testAnchors() {
assertEquals("a", Emitter.prepareAnchor("a"));
assertEquals("Anchor may not contain spaces: a ", checkAnchor("a "));
assertEquals("Anchor may not contain spaces: a \t", checkAnchor("a \t"));
assertEquals("Invalid character '[' in the anchor: a[", checkAnchor("a["));
assertEquals("Invalid character ']' in the anchor: a]", checkAnchor("a]"));
assertEquals("Invalid character '{' in the anchor: {a", checkAnchor("{a"));
assertEquals("Invalid character '}' in the anchor: }a", checkAnchor("}a"));
assertEquals("Invalid character ',' in the anchor: a,b", checkAnchor("a,b"));
assertEquals("Invalid character '*' in the anchor: a*b", checkAnchor("a*b"));
assertEquals("Invalid character '&' in the anchor: a&b", checkAnchor("a&b"));
}
private String checkAnchor(String anchor) {
try {
Emitter.prepareAnchor(anchor);
throw new IllegalStateException("Invalid must not be accepted");
} catch (Exception e) {
return e.getMessage();
}
}
}
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