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/*
* Copyright 2020 Nokia
*
* 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.onap.validation.yaml;
import org.junit.jupiter.api.Nested;
import org.junit.jupiter.api.Test;
import org.onap.validation.yaml.exception.YamlProcessingException;
import org.onap.validation.yaml.model.YamlDocument;
import org.onap.validation.yaml.model.YamlDocumentFactory;
import org.yaml.snakeyaml.parser.ParserException;
import org.yaml.snakeyaml.scanner.ScannerException;
import java.io.IOException;
import java.util.List;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThatThrownBy;
class YamlLoaderTest {
private static final int EXPECTED_NUMBER_OF_DOCUMENTS = 5;
private static final String LETTER_S_WITH_ASCII_CODE = "s(115)";
@Nested
class FromUrlLoader {
@Test
void shouldLoadAllDocumentsFromYamlFile() throws YamlDocumentFactory.YamlDocumentParsingException {
// when
List<YamlDocument> documents = YamlLoadingUtils.loadValidMultiDocumentYamlFile();
// then
assertThat(documents).hasSize(EXPECTED_NUMBER_OF_DOCUMENTS);
}
@Test
void shouldLoadAllDocumentsFromJsonStyleYamlFile() throws YamlDocumentFactory.YamlDocumentParsingException {
// when
List<YamlDocument> documents = YamlLoadingUtils.loadValidJsonStyleMultiDocumentYamlFile();
// then
assertThat(documents).hasSize(EXPECTED_NUMBER_OF_DOCUMENTS);
}
@Test
void shouldThrowExceptionWhenLoadingDocumentsFromInvalidYamlFile() {
// when then
assertThatThrownBy(YamlLoadingUtils::tryToLoadMultiDocumentInvalidYamlFile)
.isInstanceOf(ParserException.class)
.hasMessageContaining("expected the node content, but found '<document end>'");
}
@Test
void shouldThrowExceptionWhenLoadingInvalidYamlFileWithIncorrectKeyMapping() {
// when then
assertThatThrownBy(YamlLoadingUtils::tryToLoadInvalidYamlFileWithIncorrectKeyMapping)
.isInstanceOf(ScannerException.class)
.hasMessageContaining("mapping values are not allowed here");
}
@Test
void shouldThrowExceptionWhenLoadingInvalidYamlFileWithUnknownEscapeCharacter() {
// when then
assertThatThrownBy(YamlLoadingUtils::tryToLoadInvalidYamlFileWithUnknownEscapeCharacter)
.isInstanceOf(ScannerException.class)
.hasMessageContaining("found unknown escape character " + LETTER_S_WITH_ASCII_CODE);
}
}
@Nested
class FromStringPathLoader {
@Test
void shouldLoadAllDocumentsFromYamlFileUsingPathInString() throws YamlProcessingException {
// when
List<YamlDocument> documents = YamlLoadingUtils.loadValidMultiDocumentYamlFileUsingStringPath();
// then
assertThat(documents).hasSize(EXPECTED_NUMBER_OF_DOCUMENTS);
}
@Test
void shouldThrowExceptionWhenLoadingDocumentsFromInvalidYamlFileUsingPathInString() {
// when then
assertThatThrownBy(YamlLoadingUtils::tryToLoadMultiDocumentInvalidYamlFileUsingStringPath)
.isInstanceOf(ParserException.class)
.hasMessageContaining("expected the node content, but found '<document end>'");
}
}
@Nested
class FromByteArrayLoader {
private final YamlLoader YAML_LOADER = new YamlLoader(new YamlDocumentFactory());
@Test
void shouldLoadAllDocumentsFromYamlFile() throws YamlDocumentFactory.YamlDocumentParsingException, IOException {
// when
List<YamlDocument> documents = YAML_LOADER.loadMultiDocumentYaml(YamlLoadingUtils.readFile(YamlLoadingUtils.PATH_TO_VALID_YAML));
// then
assertThat(documents).hasSize(EXPECTED_NUMBER_OF_DOCUMENTS);
}
@Test
void shouldLoadAllDocumentsFromJsonStyleYamlFile() throws YamlDocumentFactory.YamlDocumentParsingException, IOException {
// when
List<YamlDocument> documents = YAML_LOADER.loadMultiDocumentYaml(YamlLoadingUtils.readFile(YamlLoadingUtils.PATH_TO_VALID_JSON_STYLE_YAML));
// then
assertThat(documents).hasSize(EXPECTED_NUMBER_OF_DOCUMENTS);
}
@Test
void shouldThrowExceptionWhenLoadingDocumentsFromInvalidYamlFile() {
// when then
assertThatThrownBy(() -> YAML_LOADER.loadMultiDocumentYaml(YamlLoadingUtils.readFile(YamlLoadingUtils.PATH_TO_MULTI_DOCUMENT_INVALID_YAML)))
.isInstanceOf(ParserException.class)
.hasMessageContaining("expected the node content, but found '<document end>'");
}
@Test
void shouldThrowExceptionWhenLoadingInvalidYamlFileWithIncorrectKeyMapping() {
// when then
assertThatThrownBy(() -> YAML_LOADER.loadMultiDocumentYaml(YamlLoadingUtils.readFile(YamlLoadingUtils.PATH_TO_INVALID_YAML_WITH_INCORRECT_KEY_MAPPING)))
.isInstanceOf(ScannerException.class)
.hasMessageContaining("mapping values are not allowed here");
}
@Test
void shouldThrowExceptionWhenLoadingInvalidYamlFileWithUnknownEscapeCharacter() {
// when then
assertThatThrownBy(() -> YAML_LOADER.loadMultiDocumentYaml(YamlLoadingUtils.readFile(YamlLoadingUtils.PATH_TO_INVALID_YAML_WITH_UNKNOWN_ESCAPE_CHARACTER)))
.isInstanceOf(ScannerException.class)
.hasMessageContaining("found unknown escape character " + LETTER_S_WITH_ASCII_CODE);
}
}
}
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