org.apache.olingo.odata2.core.debug.DebugInfoBodyTest.java Source code

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Here is the source code for org.apache.olingo.odata2.core.debug.DebugInfoBodyTest.java

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 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
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package org.apache.olingo.odata2.core.debug;

import static org.junit.Assert.assertEquals;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;

import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.StringWriter;
import java.io.Writer;

import org.apache.commons.codec.binary.Base64;
import org.apache.olingo.odata2.api.commons.HttpContentType;
import org.apache.olingo.odata2.api.processor.ODataResponse;
import org.apache.olingo.odata2.core.ep.util.JsonStreamWriter;
import org.junit.Test;

/**
 *  
 */
public class DebugInfoBodyTest {

    private static final String STRING_CONTENT = "StringContent";
    private static final String STRING_CONTENT_JSON = "\"" + STRING_CONTENT + "\"";

    @Test
    public void jsonStringContent() throws Exception {
        ODataResponse response = mock(ODataResponse.class);
        when(response.getEntity()).thenReturn(STRING_CONTENT);
        when(response.getContentHeader()).thenReturn(HttpContentType.APPLICATION_OCTET_STREAM);
        assertEquals(STRING_CONTENT_JSON, appendJson(response));

        when(response.getContentHeader()).thenReturn("image/png");
        assertEquals(STRING_CONTENT_JSON, appendJson(response));
    }

    @Test
    public void jsonInputStreamContent() throws Exception {
        ODataResponse response = mock(ODataResponse.class);
        ByteArrayInputStream in = new ByteArrayInputStream(STRING_CONTENT.getBytes());
        when(response.getEntity()).thenReturn(in);
        when(response.getContentHeader()).thenReturn(HttpContentType.TEXT_PLAIN);
        assertEquals(STRING_CONTENT_JSON, appendJson(response));

        in = new ByteArrayInputStream(STRING_CONTENT.getBytes("UTF-8"));
        when(response.getEntity()).thenReturn(in);
        when(response.getContentHeader()).thenReturn("image/png");
        assertEquals("\"" + Base64.encodeBase64String(STRING_CONTENT.getBytes("UTF-8")) + "\"",
                appendJson(response));
    }

    @Test(expected = ClassCastException.class)
    public void jsonUnsupportedContent() throws Exception {
        ODataResponse response = mock(ODataResponse.class);
        when(response.getEntity()).thenReturn(new Object());
        when(response.getContentHeader()).thenReturn(HttpContentType.APPLICATION_OCTET_STREAM);

        appendJson(response);
    }

    private String appendJson(final ODataResponse response) throws IOException {
        Writer writer = new StringWriter();
        DebugInfoBody body = new DebugInfoBody(response, null);
        body.appendJson(new JsonStreamWriter(writer));
        return writer.toString();
    }
}