FileTypeResolverTest.java

package com.vaadin.tests.server;

import static org.junit.Assert.assertEquals;

import java.io.File;

import org.junit.Test;

import com.vaadin.util.FileTypeResolver;

public class FileTypeResolverTest {

    private static final String FLASH_MIME_TYPE = "application/x-shockwave-flash";
    private static final String TEXT_MIME_TYPE = "text/plain";
    private static final String HTML_MIME_TYPE = "text/html";

    @Test
    public void testMimeTypes() {
        File plainFlash = new File("MyFlash.swf");
        File plainText = new File("/a/b/MyFlash.txt");
        File plainHtml = new File("c:\\MyFlash.html");

        // Flash
        assertEquals(FileTypeResolver.getMIMEType(plainFlash.getAbsolutePath()),
                FLASH_MIME_TYPE);
        assertEquals(
                FileTypeResolver.getMIMEType(
                        plainFlash.getAbsolutePath() + "?param1=value1"),
                FLASH_MIME_TYPE);
        assertEquals(FileTypeResolver.getMIMEType(
                plainFlash.getAbsolutePath() + "?param1=value1¶m2=value2"),
                FLASH_MIME_TYPE);

        // Plain text
        assertEquals(FileTypeResolver.getMIMEType(plainText.getAbsolutePath()),
                TEXT_MIME_TYPE);
        assertEquals(
                FileTypeResolver.getMIMEType(
                        plainText.getAbsolutePath() + "?param1=value1"),
                TEXT_MIME_TYPE);
        assertEquals(FileTypeResolver.getMIMEType(
                plainText.getAbsolutePath() + "?param1=value1¶m2=value2"),
                TEXT_MIME_TYPE);

        // Plain text
        assertEquals(FileTypeResolver.getMIMEType(plainHtml.getAbsolutePath()),
                HTML_MIME_TYPE);
        assertEquals(
                FileTypeResolver.getMIMEType(
                        plainHtml.getAbsolutePath() + "?param1=value1"),
                HTML_MIME_TYPE);
        assertEquals(FileTypeResolver.getMIMEType(
                plainHtml.getAbsolutePath() + "?param1=value1¶m2=value2"),
                HTML_MIME_TYPE);

        // Filename missing
        assertEquals(FileTypeResolver.DEFAULT_MIME_TYPE,
                FileTypeResolver.getMIMEType(""));
        assertEquals(FileTypeResolver.DEFAULT_MIME_TYPE,
                FileTypeResolver.getMIMEType("?param1"));

    }

    @Test
    public void testExtensionCase() {
        assertEquals("image/jpeg", FileTypeResolver.getMIMEType("abc.jpg"));
        assertEquals("image/jpeg", FileTypeResolver.getMIMEType("abc.jPg"));
        assertEquals("image/jpeg", FileTypeResolver.getMIMEType("abc.JPG"));
        assertEquals("image/jpeg", FileTypeResolver.getMIMEType("abc.JPEG"));
        assertEquals("image/jpeg", FileTypeResolver.getMIMEType("abc.Jpeg"));
        assertEquals("image/jpeg", FileTypeResolver.getMIMEType("abc.JPE"));
    }

    @Test
    public void testCustomMimeType() {
        assertEquals(FileTypeResolver.DEFAULT_MIME_TYPE,
                FileTypeResolver.getMIMEType("vaadin.foo"));

        FileTypeResolver.addExtension("foo", "Vaadin Foo/Bar");
        FileTypeResolver.addExtension("FOO2", "Vaadin Foo/Bar2");
        assertEquals("Vaadin Foo/Bar",
                FileTypeResolver.getMIMEType("vaadin.foo"));
        assertEquals("Vaadin Foo/Bar2",
                FileTypeResolver.getMIMEType("vaadin.Foo2"));
    }
}