Read file from test resources in unit test

Use the getClass().getClassLoader().getResourceAsStream() to get an InputStream for the wanted resource. In the following snippet we access the bookmark-example.xml file resource, which is placed directly in the src/test/resources folder:

@Test
void shouldUnmarshallXmlToJava() throws JAXBException {
    JAXBContext jaxbContext = JAXBContext.newInstance("dev.codepal.bookmark");
    final var jaxbUnmarshaller = jaxbContext.createUnmarshaller();

    InputStream inStream = getClass().getClassLoader().getResourceAsStream(
            "bookmark-example.xml");

    JAXBElement<Bookmark> o = (JAXBElement<Bookmark>)jaxbUnmarshaller.unmarshal(inStream);
    Bookmark bookmark = o.getValue();
    assertThat(bookmark.getTitle(), equalTo("CodepediaOrg"));
}

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Adrian Matei

Adrian Matei
Life force expressing itself as a coding capable human being

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