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DeltaFi Action Kit Test Harness - Test Action implementation SDK for DeltaFi actions
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/*
 *    DeltaFi - Data transformation and enrichment platform
 *
 *    Copyright 2021-2023 DeltaFi Contributors 
 *
 *    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.deltafi.test.asserters;

import org.assertj.core.api.AbstractAssert;
import org.assertj.core.api.Assertions;
import org.deltafi.actionkit.action.content.ActionContent;

import java.nio.charset.Charset;

/**
 * Provide assertions to verify the contents of an ActionContent
 */
public class ContentAssert extends AbstractAssert {

    public ContentAssert(ActionContent content) {
        super(content, ContentAssert.class);
    }

    /**
     * Create a new ContentAssert with the given ActionContent
     * @param content to run assertions against
     * @return new ContentAssert
     */
    public static ContentAssert assertThat(ActionContent content) {
        return new ContentAssert(content);
    }

    /**
     * Verify that the content has the given name
     * @param name that the content should have
     * @return this
     */
    public ContentAssert hasName(String name) {
        isNotNull();
        Assertions.assertThat(actual.getName()).isEqualTo(name);
        return this;
    }

    /**
     * Verify that the content has the given size
     * @param size that the content should be
     * @return this
     */
    public ContentAssert hasSize(long size) {
        isNotNull();
        Assertions.assertThat(actual.getSize()).isEqualTo(size);
        return this;
    }

    /**
     * Verify that the content has the given mediaType
     * @param mediaType that the content should have
     * @return this
     */
    public ContentAssert hasMediaType(String mediaType) {
        isNotNull();
        Assertions.assertThat(actual.getMediaType()).isEqualTo(mediaType);
        return this;
    }

    /**
     * Verify the number of segments in the content
     * @param count expected content list size
     * @return this
     */
    public ContentAssert hasSegmentCount(int count) {
        isNotNull();
        Assertions.assertThat(actual.getContent().getSegments()).hasSize(count);
        return this;
    }

    /**
     * Verify that the bytes in the ActionContent are equal to the given bytes
     * @param bytes expected bytes in the ActionContent
     * @return this
     */
    public ContentAssert loadBytesIsEqualTo(byte[] bytes) {
        isNotNull();
        Assertions.assertThat(actual.loadBytes()).isEqualTo(bytes);
        return this;
    }

    /**
     * Load the content as a string using the default charset and
     * verify it is equal to the given string
     * @param value expected content as a string
     * @return this
     */
    public ContentAssert loadStringIsEqualTo(String value) {
        return loadStringIsEqualTo(value, Charset.defaultCharset());
    }

    /**
     * Load the content as a string using the given charset and
     * verify it is equal to the given string
     * @param value expected content as a string
     * @return this
     */
    public ContentAssert loadStringIsEqualTo(String value, Charset charset) {
        isNotNull();
        Assertions.assertThat(actual.loadString(charset)).isEqualTo(value);
        return this;
    }
}