def test_intermediate_files_are_removed(self):
files = ["foo.tex", "foo.log", "foo.aux", "foo.dvi"]
touch(files)
i = image.Tex2img(Format.Png)
i.convert(doc("\\hat{x}"), "foo")
for intermediate_file in files:
self.assertFalse(os.path.exists(intermediate_file))
def test_that_error_of_incorrect_formula_is_parsed_correctly(self):
i = image.Tex2img(Format.Png)
try:
i.create_dvi(doc("\\foo"), "foo.png")
except SubprocessError as e:
# expect undefined control sequence in error output
self.assertTrue("Undefined" in e.args[0])
def test_intermediate_files_are_removed(self):
files = ['foo.tex', 'foo.log', 'foo.aux', 'foo.dvi']
touch(files)
i = image.Tex2img(Format.Png)
i.convert(doc('\\hat{x}'), 'foo')
for intermediate_file in files:
self.assertFalse(os.path.exists(intermediate_file))
def test_that_intermediate_files_are_removed_after_successful_run(self):
files = ['foo.log', 'foo.aux', 'foo.tex']
touch(files)
i = image.Tex2img(Format.Png)
i.create_dvi(doc("\\frac\\pi\\tau"), 'foo.png')
for intermediate_file in files:
self.assertFalse(
os.path.exists(intermediate_file),
"File " + intermediate_file + " should not exist.")
def test_intermediate_files_are_removed_when_exception_raised(self):
files = ["foo.tex", "foo.log", "foo.aux", "foo.dvi"]
touch(files)
i = image.Tex2img(Format.Png)
try:
i.convert(doc("\\hat{x}"), "foo")
except SubprocessError:
self.assertFalse(os.path.exists("foo.tex"))
self.assertFalse(os.path.exists("foo.dvi"))
self.assertFalse(os.path.exists("foo.log"))
self.assertFalse(os.path.exists("foo.aux"))
def test_that_output_file_names_with_paths_are_ok_and_log_is_removed(self):
fname = lambda f: os.path.join('bilder', 'farce.' + f)
touch([fname('log'), fname('png')])
t = image.Tex2img(Format.Png)
t.convert(doc(r"\hat{es}\pi\pi\ldots"), fname('')[:-1])
self.assertFalse(os.path.exists("farce.log"))
self.assertTrue(
os.path.exists(fname('png')),
"couldn't find file {}, directory structure:\n{}".format(
fname('png'), ''.join(pprint.pformat(list(os.walk('.'))))))
self.assertFalse(os.path.exists(fname('log')))
def test_intermediate_files_are_removed_when_exception_raised(self):
files = ['foo.tex', 'foo.log', 'foo.aux', 'foo.dvi']
touch(files)
i = image.Tex2img(Format.Png)
try:
i.convert(doc('\\hat{x}'), 'foo')
except SubprocessError:
self.assertFalse(os.path.exists('foo.tex'))
self.assertFalse(os.path.exists('foo.dvi'))
self.assertFalse(os.path.exists('foo.log'))
self.assertFalse(os.path.exists('foo.aux'))
def test_that_intermediate_files_are_removed_when_exception_is_raised(
self):
files = ['foo.log', 'foo.aux', 'foo.tex']
touch(files)
# error case
i = image.Tex2img(Format.Png)
try:
i.convert(doc("\\foo"), 'foo')
except SubprocessError as e:
for intermediate_file in files:
self.assertFalse(
os.path.exists(intermediate_file),
"File " + intermediate_file + " should not exist.")
def test_that_values_for_positioning_png_are_returned(self):
i = image.Tex2img(Format.Png)
posdata = i.create_image("foo.dvi")
self.assertTrue("height" in posdata)
self.assertTrue("width" in posdata)