Re: [PATCH] kvm-autotest: stepeditor: clear image if width, height, or data are invalid

[Uri Lublin <uril@redhat.com>]

Avi Kivity wrote:
> Eduardo Habkost wrote:
>>
>> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
>> ---
>>  client/tests/kvm_runtest_2/stepeditor.py |   14 +++++++++-----
>>  1 files changed, 9 insertions(+), 5 deletions(-)
>>
>> diff --git a/client/tests/kvm_runtest_2/stepeditor.py 
>> b/client/tests/kvm_runtest_2/stepeditor.py
>> index caaf47b..383834b 100755
>> --- a/client/tests/kvm_runtest_2/stepeditor.py
>> +++ b/client/tests/kvm_runtest_2/stepeditor.py
>> @@ -488,14 +488,18 @@ Utilities
>>          vscrollbar = self.scrolledwindow.get_vscrollbar()
>>          vscrollbar.set_range(0, h)
>>  
>> +    def clear_image(self):
>> +        self.image.clear()
>> +        self.image_width = 0
>> +        self.image_height = 0
>> +        self.image_data = ""
>> +             def set_image_from_file(self, filename):
>>          if not filename or not os.path.exists(filename):
>> -            self.image.clear()
>> -            self.image_width = 0
>> -            self.image_height = 0
>> -            self.image_data = ""
>> -            return
>> +            return self.clear_image()
>>          (w, h, data) = ppm_utils.image_read_from_ppm_file(filename)
>> +        if w <= 0 or h <= 0 or not data:
>> +            return self.clear_image()
>>          self.set_image(w, h, data)
>>   
> 
> Instead of returning an empty image here, we should throw an exception.  
> Qemu shouldn't write invalid image.
> 
> I've just sent a patch to qemu-devel which may help with this.
> 

I'm going to accept this patch.

For step-maker and step-editor, I think we should let the user finish 
creating/editing the step-file (see Ryan's comment about wasting time).

For guest-installation test (kvm-guest-wizard), I agree that we should fail the 
test, and not ignore the error.

Thanks,
     Uri.