com.meltmedia.dropwizard.crypto.JsonPointerEditorTest.java Source code

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Here is the source code for com.meltmedia.dropwizard.crypto.JsonPointerEditorTest.java

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/**
 * Copyright (C) 2014 meltmedia (christian.trimble@meltmedia.com)
 *
 * 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.meltmedia.dropwizard.crypto;

import static org.hamcrest.MatcherAssert.*;
import static org.hamcrest.Matchers.*;

import org.junit.Before;
import org.junit.Test;

import com.fasterxml.jackson.core.JsonPointer;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.node.JsonNodeFactory;

public class JsonPointerEditorTest {

    private ObjectMapper mapper;
    JsonNodeFactory factory;

    @Before
    public void setUp() {
        mapper = new ObjectMapper();
        factory = JsonNodeFactory.instance;
    }

    @Test
    public void shouldGetValue() throws Exception {
        JsonNode node = mapper.readValue("{\"key\": {\"sub\": \"value\"}}", JsonNode.class);
        JsonPointer pointer = JsonPointer.compile("/key/sub");

        JsonPointerEditor editor = new JsonPointerEditor(node, pointer);
        assertThat("value", equalTo(editor.getValue().asText()));
    }

    @Test
    public void shouldSetValue() throws Exception {
        JsonNode node = mapper.readValue("{\"key\": {\"sub\": \"value\"}}", JsonNode.class);
        JsonPointer pointer = JsonPointer.compile("/key/sub");

        JsonPointerEditor editor = new JsonPointerEditor(node, pointer);
        editor.setValue(JsonNodeFactory.instance.textNode("updated"));
        assertThat("updated", equalTo(editor.getValue().asText()));
    }

    @Test
    public void shouldUpdateArrayValue() throws Exception {
        JsonNode node = mapper.readValue("{\"key\": {\"sub\": [\"value1\", \"value2\", \"value3\"]}}",
                JsonNode.class);
        JsonPointer pointer = JsonPointer.compile("/key/sub/2");

        JsonPointerEditor editor = new JsonPointerEditor(node, pointer);
        editor.setValue(JsonNodeFactory.instance.textNode("updated"));
        assertThat("updated", equalTo(editor.getValue().asText()));
    }

    @Test
    public void shouldAllowNodeTypeChange() throws Exception {
        JsonNode node = mapper.readValue("{\"key\": {\"sub\": \"value\"}}", JsonNode.class);
        JsonPointer pointer = JsonPointer.compile("/key/sub");

        JsonPointerEditor editor = new JsonPointerEditor(node, pointer);
        editor.setValue(factory.objectNode().set("subsub", factory.textNode("nested")));
        assertThat("nested", equalTo(node.at("/key/sub/subsub").asText()));
    }

    @Test
    public void shouldAllowRootNode() throws Exception {
        JsonNode node = mapper.readValue("{\"key\": {\"sub\": \"value\"}}", JsonNode.class);
        JsonPointer pointer = JsonPointer.compile("/").tail();
        JsonNode root = node.at(pointer);

        JsonPointerEditor editor = new JsonPointerEditor(node, pointer);
        editor.setValue(factory.objectNode().set("value", factory.textNode("text")));
        assertThat(editor.getRoot().at("/value").asText(), equalTo("text"));

        assertThat(editor.getRoot(), sameInstance(editor.getValue()));
    }

}