io.servicecomb.swagger.TestSwaggerUtils.java Source code

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Here is the source code for io.servicecomb.swagger.TestSwaggerUtils.java

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/*
 * Copyright 2017 Huawei Technologies Co., Ltd
 *
 * 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 io.servicecomb.swagger;

import java.io.IOException;
import java.net.URL;

import org.apache.commons.io.IOUtils;
import org.junit.Assert;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;

import com.fasterxml.jackson.core.JsonProcessingException;

import io.servicecomb.foundation.common.exceptions.ServiceCombException;
import io.swagger.models.Operation;
import io.swagger.models.Path;
import io.swagger.models.Response;
import io.swagger.models.Swagger;
import io.swagger.util.Yaml;
import mockit.Expectations;
import mockit.Mocked;

public class TestSwaggerUtils {
    @Rule
    public ExpectedException expectedException = ExpectedException.none();

    @Test
    public void swaggerToStringNormal() {
        Swagger swagger = new Swagger();
        String content = SwaggerUtils.swaggerToString(swagger);

        Swagger newSwagger = SwaggerUtils.parseSwagger(content);
        Assert.assertEquals(swagger, newSwagger);
    }

    @Test
    public void swaggerToStringException(@Mocked Swagger swagger) throws JsonProcessingException {
        new Expectations() {
            {
                swagger.getBasePath();
                result = new Error("failed");
            }
        };
        expectedException.expect(ServiceCombException.class);
        expectedException.expectMessage("Convert swagger to string failed, ");

        SwaggerUtils.swaggerToString(swagger);
    }

    @Test
    public void parseSwaggerUrlNormal(@Mocked URL url) throws IOException {
        String content = "swagger: \"2.0\"";
        new Expectations(IOUtils.class) {
            {
                IOUtils.toString(url);
                result = content;
            }
        };

        Swagger swagger = Yaml.mapper().readValue(content, Swagger.class);
        Swagger result = SwaggerUtils.parseSwagger(url);
        Assert.assertEquals(swagger, result);
    }

    @Test
    public void parseSwaggerUrlException(@Mocked URL url) throws IOException {
        new Expectations(IOUtils.class) {
            {
                IOUtils.toString(url);
                result = new Error("failed");
            }
        };

        expectedException.expect(ServiceCombException.class);
        expectedException.expectMessage("Parse swagger from url failed, ");

        SwaggerUtils.parseSwagger(url);
    }

    @Test
    public void parseSwaggerContentException() throws IOException {
        expectedException.expect(ServiceCombException.class);
        expectedException.expectMessage("Parse swagger from content failed, ");

        SwaggerUtils.parseSwagger("");
    }

    @Test
    public void correctResponsesOperationFixEmptyDescription() {
        Response response = new Response();

        Operation operation = new Operation();
        operation.addResponse("200", response);

        SwaggerUtils.correctResponses(operation);
        Assert.assertEquals("response of 200", response.getDescription());
    }

    @Test
    public void correctResponsesOperationNotChangeExistDescription() {
        Response response = new Response();
        response.setDescription("description");

        Operation operation = new Operation();
        operation.addResponse("200", response);

        SwaggerUtils.correctResponses(operation);
        Assert.assertEquals("description", response.getDescription());
    }

    @Test
    public void correctResponsesOperationDefaultTo200() {
        Response response = new Response();

        Operation operation = new Operation();
        operation.addResponse("default", response);

        SwaggerUtils.correctResponses(operation);
        Assert.assertSame(response, operation.getResponses().get("200"));
    }

    @Test
    public void correctResponsesOperation2xxTo200() {
        Response response = new Response();

        Operation operation = new Operation();
        operation.addResponse("default", new Response());
        operation.addResponse("201", response);
        operation.addResponse("301", new Response());

        SwaggerUtils.correctResponses(operation);
        Assert.assertSame(response, operation.getResponses().get("200"));
    }

    @Test
    public void correctResponsesNoPaths() {
        Swagger swagger = new Swagger();

        // not throw exception
        SwaggerUtils.correctResponses(swagger);
    }

    @Test
    public void correctResponsesHavePaths() {
        Response response = new Response();

        Operation operation = new Operation();
        operation.addResponse("200", response);

        Path path = new Path();
        path.set("get", operation);

        Swagger swagger = new Swagger();
        swagger.path("/base", path);

        SwaggerUtils.correctResponses(swagger);

        Assert.assertEquals("response of 200", response.getDescription());
    }
}