public void testTruncatedFiles() throws Exception {
// First up a truncated OOXML (zip) file
// With only the data supplied, the best we can do is the container
TikaInputStream xlsx = getTruncatedFile("testEXCEL.xlsx", 300);
Metadata m = new Metadata();
try {
assertEquals(
MediaType.application("x-tika-ooxml"),
detector.detect(xlsx, m));
} finally {
xlsx.close();
}
// With truncated data + filename, we can use the filename to specialise
xlsx = getTruncatedFile("testEXCEL.xlsx", 300);
m = new Metadata();
m.add(Metadata.RESOURCE_NAME_KEY, "testEXCEL.xlsx");
try {
assertEquals(
MediaType.application("vnd.openxmlformats-officedocument.spreadsheetml.sheet"),
detector.detect(xlsx, m));
} finally {
xlsx.close();
}
// Now a truncated OLE2 file
TikaInputStream xls = getTruncatedFile("testEXCEL.xls", 400);
m = new Metadata();
try {
assertEquals(
MediaType.application("x-tika-msoffice"),
detector.detect(xls, m));
} finally {
xls.close();
}
// Finally a truncated OLE2 file, with a filename available
xls = getTruncatedFile("testEXCEL.xls", 400);
m = new Metadata();
m.add(Metadata.RESOURCE_NAME_KEY, "testEXCEL.xls");
try {
assertEquals(
MediaType.application("vnd.ms-excel"),
detector.detect(xls, m));
} finally {
xls.close();
}
}