1 files changed, 148 insertions, 0 deletions
diff --git a/dictionaryvalidation/src/test/java/org/onap/validation/yaml/YamlLoaderTest.java b/dictionaryvalidation/src/test/java/org/onap/validation/yaml/YamlLoaderTest.java
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+++ b/dictionaryvalidation/src/test/java/org/onap/validation/yaml/YamlLoaderTest.java
@@ -0,0 +1,148 @@
+/*
+ * 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_YAML_WITH_WRONG_VALUES));
+
+            // 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);
+        }
+    }
+}