FileTestCase in test_lzma can be improved

There are several tests that do not assert anything:

Lines 539 to 547 in 9649278

    
           def test_init(self): 
        
               with LZMAFile(BytesIO(COMPRESSED_XZ)) as f: 
        
                   pass 
        
               with LZMAFile(BytesIO(), "w") as f: 
        
                   pass 
        
               with LZMAFile(BytesIO(), "x") as f: 
        
                   pass 
        
               with LZMAFile(BytesIO(), "a") as f: 
        
                   pass

cpython/Lib/test/test_lzma.py

Lines 574 to 594 in 9649278

    
           def test_init_mode(self): 
        
               with TempFile(TESTFN): 
        
                   with LZMAFile(TESTFN, "r"): 
        
                       pass 
        
                   with LZMAFile(TESTFN, "rb"): 
        
                       pass 
        
                   with LZMAFile(TESTFN, "w"): 
        
                       pass 
        
                   with LZMAFile(TESTFN, "wb"): 
        
                       pass 
        
                   with LZMAFile(TESTFN, "a"): 
        
                       pass 
        
                   with LZMAFile(TESTFN, "ab"): 
        
                       pass 
        
           def test_init_with_x_mode(self): 
        
               self.addCleanup(unlink, TESTFN) 
        
               for mode in ("x", "xb"): 
        
                   unlink(TESTFN) 
        
                   with LZMAFile(TESTFN, mode) as f: 
        
                       pass

I propose to assert the context manager type and the mode.
I have a PR ready.

Linked PRs

pythongh-131219: Improve tests in `test_lzma.py` by adding more asserts

gh-131219: Improve tests in `test_lzma.py` by adding more asserts (#1…

pythongh-131219: Improve tests in `test_lzma.py` by adding more asser…

[3.13] gh-131219: Improve tests in `test_lzma.py` by adding more asse…

[3.12] pythongh-131219: Improve tests in `test_lzma.py` by adding mor…

[3.12] gh-131219: Improve tests in `test_lzma.py` by adding more asse…

[3.12] pythongh-131219: Improve tests in `test_lzma.py` by adding mor…

pythongh-131219: Improve tests in `test_lzma.py` by adding more asser…

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`FileTestCase` in `test_lzma` can be improved #131219

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	def test_init(self):
	with LZMAFile(BytesIO(COMPRESSED_XZ)) as f:
	pass
	with LZMAFile(BytesIO(), "w") as f:
	pass
	with LZMAFile(BytesIO(), "x") as f:
	pass
	with LZMAFile(BytesIO(), "a") as f:
	pass

	def test_init_mode(self):
	with TempFile(TESTFN):
	with LZMAFile(TESTFN, "r"):
	pass
	with LZMAFile(TESTFN, "rb"):
	pass
	with LZMAFile(TESTFN, "w"):
	pass
	with LZMAFile(TESTFN, "wb"):
	pass
	with LZMAFile(TESTFN, "a"):
	pass
	with LZMAFile(TESTFN, "ab"):
	pass

	def test_init_with_x_mode(self):
	self.addCleanup(unlink, TESTFN)
	for mode in ("x", "xb"):
	unlink(TESTFN)
	with LZMAFile(TESTFN, mode) as f:
	pass

FileTestCase in test_lzma can be improved #131219

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`FileTestCase` in `test_lzma` can be improved #131219