com.savoirtech.json.JsonComparatorIT.java Source code

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Here is the source code for com.savoirtech.json.JsonComparatorIT.java

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/*
 *  Copyright (c) 2016 Savoir Technologies
 *
 *  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 com.savoirtech.json;

import org.apache.commons.io.IOUtils;
import org.junit.Before;
import org.junit.Test;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;

/**
 * Integrated test of the JsonComparator.
 *
 * Created by art on 5/4/16.
 */
public class JsonComparatorIT {

    private JsonComparator comparator;

    @Before
    public void setupTest() {
        this.comparator = new JsonComparatorBuilder().build();
    }

    @Test
    public void testCompare01() throws Exception {
        String actual01 = IOUtils.toString(JsonComparatorIT.class.getResourceAsStream("spec01.json"));
        String rules01 = IOUtils.toString(JsonComparatorIT.class.getResourceAsStream("rules01.json"));

        JsonComparatorResult result = this.comparator.compare(rules01, actual01);

        assertTrue("expect match; error=" + result.getErrorMessage(), result.isMatch());
        assertNull(result.getErrorPath());
    }

    @Test
    public void testReadmeExample01() {

        JsonComparator comparator = new JsonComparatorBuilder().build();

        String comparisonSpec = "{ \"templateJson\": [ 1, 2, 3 ] }";
        String actualJson = "[ 1, 2, 3 ]";

        JsonComparatorResult result = comparator.compare(comparisonSpec, actualJson);

        assertTrue(result.isMatch());

        // Same thing, except include the error message on mismatches:
        assertTrue(result.getErrorMessage(), result.isMatch());
        assertNull(result.getErrorPath());
    }

    @Test
    public void testReadmeExample02() {
        JsonComparator comparator = new JsonComparatorBuilder().build();

        String comparisonSpec = "{ \"rules\": [ { \"selector\": { \"path\": \"$[2]\" }, \"action\": \"matches\", \"pattern\": \"[3-5]\" } ], \"templateJson\": [ 1, 2, 3 ] }";
        String actualJson = "[ 1, 2, 4 ]";

        JsonComparatorResult result = comparator.compare(comparisonSpec, actualJson);

        assertTrue(result.getErrorMessage(), result.isMatch());
        assertNull(result.getErrorPath());
    }

    @Test
    public void testFailureCase() {
        JsonComparator comparator = new JsonComparatorBuilder().build();

        String comparisonSpec = "{ \"rules\": [ { \"selector\": { \"path\": \"$[2]\" }, \"action\": \"matches\", \"pattern\": \"[3-5]\" } ], \"templateJson\": [ 2, 4, 6 ] }";
        String actualJson = "[ 2, 4, 6 ]";

        JsonComparatorResult result = comparator.compare(comparisonSpec, actualJson);

        assertFalse(result.isMatch());
        assertEquals("value at path $[2] does not match '[3-5]': value=6", result.getErrorMessage());
        assertEquals("$[2]", result.getErrorPath());
    }
}