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Diffstat (limited to 'src/cowtest/readme.md')
| -rw-r--r-- | src/cowtest/readme.md | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/src/cowtest/readme.md b/src/cowtest/readme.md index 3225bc9..b87ef76 100644 --- a/src/cowtest/readme.md +++ b/src/cowtest/readme.md @@ -18,8 +18,9 @@ This test suit is for verifying that the fuse cow implementation works correctly - `-c <path>` generates a test image at given path. This image should be loaded for the tests to work. - `-t <path>` runs the tests on the image at the given past. - `-v <path>` verifies that previous tests on the image were successful (also reads the image completely). +- `-r <mountedImagePath> <normalImagePath>` random writes and changes size of two images. After a key press both images are compared for equalness. -### Example Usage +### Example usage for standard test 1. Generate the test image with `-c <path>` and copy it to the image location of the dnbd3 server. Also make sure that the cow servers `OriginalImageDirectory` points to the same Directory or copied in that Directory too. This step is only needed once for setting up. 2. Start the dnbd3 and cow server. @@ -30,6 +31,17 @@ This test suit is for verifying that the fuse cow implementation works correctly 7. Unmount and merge the image. 8. Verify the merged image from the cow server with `-v <path>`. +### Example usage for random writes +1. Generate the test image with `-c <path>` and copy it to the image location of the dnbd3 server. Also make sure that the cow servers `OriginalImageDirectory` points to the same Directory or copied in that Directory too. This step is only needed once for setting up. +2. Copy the generated image to another location. +3. Start the dnbd3 and cow server. +4. Mount the image in cow mode. +5. Run the test with `-t <mountedImagePath> <normalImagePath>`, where the `<mountedImagePath>` points to the mounted image and `<normalImagePath>` points to the copied image on the disk. +6. After some time press enter and both images will be compared for equalness. +7. Unmount the image and merge. +8. Run `-r <mountedImagePath> <normalImagePath>` where the `<mountedImagePath>` points to the merged image and `<normalImagePath>` points to the copied image on the disk. This will verify that the merged image is equal to the image on the disk. + + # Tests |