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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.assertj.core.util.Lists;
import org.junit.Test;
import org.onap.validation.yaml.exception.YamlProcessingException;
import org.onap.validation.yaml.model.SchemaValidationError;
import org.onap.validation.yaml.model.YamlDocument;
import org.onap.validation.yaml.schema.YamlSchemaFactory;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

import static org.assertj.core.api.Assertions.assertThat;
import static org.onap.validation.yaml.YamlLoadingUtils.VALID_YAML_DOCUMENT_INDEX;
import static org.onap.validation.yaml.YamlLoadingUtils.YAML_DOCUMENT_WITH_MISSING_FIELD_INDEX;
import static org.onap.validation.yaml.YamlLoadingUtils.YAML_DOCUMENT_WITH_MISSING_FIELD_AND_WRONG_VALUE_INDEX;

public class YamlValidatorTest {

    @Test
    public void shouldCreateValidatorUsingSchemaLoadedFromYamlFileAndValidatedDocumentsFromThatFile()
        throws YamlProcessingException {

        // given
        List<YamlDocument> documents = YamlLoadingUtils.loadValidMultiDocumentYamlFile();
        YamlValidator validator = new YamlValidator(new YamlSchemaFactory().createTreeStructuredYamlSchema(documents.get(0)));
        Map<Integer,List<SchemaValidationError>> validationErrors = new HashMap<>();

        SchemaValidationError expectedValidationValueError =
            new SchemaValidationError(
                "/pmMetaData/pmFields/measResultType",
                "Value is not in array of accepted values.\n"
                    + " value:  integer\n"
                    + "  accepted values:  [float, uint32, uint64]"
            );
        SchemaValidationError expectedValidationKeyError =
            new SchemaValidationError(
                "/pmMetaData/pmFields/",
                "Key not found: measChangeType"
            );

        // when
        for (int documentIndex = 1 ; documentIndex < documents.size() ; documentIndex++) {
            validationErrors.put(documentIndex, validator.validate(documents.get(documentIndex)));
        }

        // then
        assertThat(validationErrors.size()).isEqualTo(3);
        assertThat(validationErrors).containsKeys(1,2,3);
        assertThat(validationErrors.get(YAML_DOCUMENT_WITH_MISSING_FIELD_AND_WRONG_VALUE_INDEX)).hasSize(2);
        assertThat(validationErrors.get(YAML_DOCUMENT_WITH_MISSING_FIELD_AND_WRONG_VALUE_INDEX))
            .usingFieldByFieldElementComparator()
            .containsAll(
                Lists.list(
                    expectedValidationValueError,
                    expectedValidationKeyError
                ));
        assertThat(validationErrors.get(YAML_DOCUMENT_WITH_MISSING_FIELD_INDEX)).hasSize(1);
        assertThat(validationErrors.get(YAML_DOCUMENT_WITH_MISSING_FIELD_INDEX))
            .usingFieldByFieldElementComparator()
            .contains(
                    expectedValidationKeyError
            );
        assertThat(validationErrors.get(VALID_YAML_DOCUMENT_INDEX)).hasSize(0);
    }

}