Test data sources in Android unit testing
I want to test parsing of data returned from server.
I thought I might create several test XML files and then feed them to the sax parser which uses my custom data handler (as in the application that I test).
But where should I put those test XMLs?
I tried with [project_root]/res/xml, but then I get the error:
android.content.res.Resources$NotFoundException: Resource ID #0x7f040000 type #0x1c is not valid
at android.content.res.Resources.loadXmlResourceParser(Resources.java:1870)
at android.content.res.Resources.getXml(Resources.java:779)
Does that mean that the xml is invalid, or that android couldn't find the XML file? (I use the same XML that comes from the server - copied it from the firebug's net panel and pasted into the file).
Can I somehow read that XML as a text file, since getContext().getResources().getXml(R.xml.test_response1) returns XmlResourceParser instead of String (which I'd prefer)?
Asked by: Aston110 | Posted: 25-01-2022
Answer 1
Put you xmls in MyAppTest/assets, for example MyAppTest/assets/my.xml, and then read it using
InputStream myxml = getInstrumentation().getContext().getAssets().open("my.xml");
then you can invoke the parser with this stream.
Answered by: Miranda549 | Posted: 26-02-2022Answer 2
Simply put the file in your current package (ie into a resource package) and use the class loader...
private InputStream getTestImage(String pathToFile) throws IOException
{
final ClassLoader loader = getClass().getClassLoader();
assertNotNull(loader);
final InputStream resourceAsStream = loader.getResourceAsStream(pathToFile);
assertNotNull(resourceAsStream);
return resourceAsStream;
}
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