On Tuesday, April 29, 2014 10:39:31 AM UTC+5:30, Thomas Mueller wrote:
>
>
> No, TestFileSystem works for me if run alone. What operating system and
> file system do you use? Is your file system read-only maybe?
>
I'm running Fedora 18. No, my file-system is not read-only -- this is the
file-system of my developer workstation, the one I work on (so can't be
readonly).
To get past the earlier, NonWritableChannelException exception that I was
getting, I modified the H2 code as follows...
TestFileSystem.testSimple(String) {
...
// new AssertThrows(IOException.class) {
new AssertThrows(NonWritableChannelException.class) {
new
AssertThrows(java.nio.channels.NonWritableChannelException.class) {
@Override
public void test() throws Exception {
fc.truncate(10);
}
};
... and it was happy.
But then I started getting this NPE:
java.lang.NullPointerException
at org.h2.test.unit.TestFileSystem.testClasspath(TestFileSystem.java:220)
at org.h2.test.unit.TestFileSystem.test(TestFileSystem.java:73)
at org.h2.test.unit.TestFileSystem.main(TestFileSystem.java:55)
at com.amritatech.rephrase.H2DatabaseTest.main(H2DatabaseTest.java:40)
which is the following code:
private void testClasspath() throws IOException {
String resource = "org/h2/test/testSimple.in.txt";
InputStream in;
in = getClass().getResourceAsStream("/" + resource);
assertTrue(in != null);
in.close();
in = getClass().getClassLoader().getResourceAsStream(resource); //
line 220
I'm using version 1.3.174 codebase, btw. Is this unit testing exercise
supposed to be run from some specialized test-jar bundle of H2? Fyi, I'm
imported the codebase in Eclipse and I'm running it from there, so I'm not
aware of any specialized path/classpath setups that may be required.
> Before you think about using your file system with a database, I suggest
> to ensure the unit test (TestFileSystem) passes.
>
Yes, I definitely intend to do that.
But another basic question that I have is this: Once the TestFileSystem
unit test begins to pass on the default ("file:/") file-system, and once I
have register()'ed my file-system using my FilePath-subclass's register(),
do I need to do anything else? For example, do I need to...
a) comment out calls to file-systems (like zip/zip2, cache/cache2, ...) that
seem 'irrelevant' to testing my own file-system?
b) change TestBase.BASE_TEST_DIR and .TEMP_DIR to point to my
file-system, like so...
BASE_TEST_DIR = "myfs:/path/to/data"
TEMP_DIR = "myfs:/path/to/data/tmp"
... early on in the control flow?
Regards,
/PN
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