Best Python code snippet using lisa_python
test_trezor.sdcard.py
Source:test_trezor.sdcard.py  
...10            self.assertTrue(sdcard.capacity() > 0)11        self.assertEqual(sdcard.capacity(), 0)12    def test_nomount(self):13        with sdcard.filesystem(mounted=False):14            self.assertFalse(fatfs.is_mounted())15    def test_mount(self):16        # set up a filesystem first17        with sdcard.filesystem(mounted=False):18            fatfs.mkfs()19        with sdcard.filesystem():20            self.assertTrue(fatfs.is_mounted())21        self.assertFalse(fatfs.is_mounted())22    def test_nesting(self):23        # set up a filesystem first24        with sdcard.filesystem(mounted=False):25            fatfs.mkfs()26        self.assertEqual(sdcard.capacity(), 0)27        with sdcard.filesystem():28            self.assertTrue(sdcard.capacity() > 0)29            self.assertTrue(fatfs.is_mounted())30            with sdcard.filesystem():31                self.assertTrue(sdcard.capacity() > 0)32                self.assertTrue(fatfs.is_mounted())33            self.assertTrue(sdcard.capacity() > 0)34            self.assertTrue(fatfs.is_mounted())35        self.assertEqual(sdcard.capacity(), 0)36        self.assertFalse(fatfs.is_mounted())37    def test_mount_nomount(self):38        with self.assertRaises(RuntimeError):39            with sdcard.filesystem(mounted=True):40                with sdcard.filesystem(mounted=False):41                    pass42        with self.assertRaises(RuntimeError):43            with sdcard.filesystem(mounted=False):44                with sdcard.filesystem(mounted=True):45                    pass46    def test_failed_mount(self):47        # set up a filesystem first48        with sdcard.filesystem(mounted=False):49            fatfs.mkfs()50        with sdcard.filesystem():51            self.assertTrue(fatfs.is_mounted())52        # trash filesystem53        io.sdcard.power_on()54        io.sdcard.write(0, bytes([0xFF] * io.sdcard.BLOCK_SIZE))55        io.sdcard.power_off()56        # mounting should now fail57        with self.assertRaises(OSError):58            with sdcard.filesystem():59                pass60        self.assertFalse(fatfs.is_mounted())61        # it should be possible to create an unmounted instance62        with sdcard.filesystem(mounted=False):63            fatfs.mkfs()64        # mounting should now succeed65        with sdcard.filesystem():66            self.assertTrue(fatfs.is_mounted())67if __name__ == "__main__":...Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.
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