def test_that_ocr_still_returns_if_region_doesnt_intersect_with_frame(region):
frame = load_image("ocr/menu.png")
result = stbt.ocr(frame=frame, region=region)
assert result == u''
def test_char_whitelist():
# Without char_whitelist tesseract reads "OO" (the letter oh).
assert u'00' == stbt.ocr(frame=load_image('ocr/00.png'),
mode=stbt.OcrMode.SINGLE_WORD,
char_whitelist="0123456789")
def test_user_dictionary_with_non_english_language(words):
assert u'192.168.10.1' == stbt.ocr(
frame=load_image('ocr/192.168.10.1.png'),
mode=stbt.OcrMode.SINGLE_WORD,
lang="deu",
tesseract_user_words=words)
def ocr():
return stbt.ocr(frame=frame)
def test_that_default_language_is_configurable():
f = load_image("ocr/unicode.png")
assert not stbt.match_text(u"Röthlisberger", f) # reads Réthlisberger
with temporary_config({"ocr.lang": "deu"}):
assert stbt.match_text(u"Röthlisberger", f)
assert u"Röthlisberger" in stbt.ocr(f)
def test_that_ocr_reads_unicode():
text = stbt.ocr(frame=load_image('ocr/unicode.png'), lang='eng+deu')
assert isinstance(text, str)
assert u'£500\nDavid Röthlisberger' == text
def test_that_ocr_can_read_small_text():
text = stbt.ocr(frame=load_image('ocr/small.png'))
assert u'Small anti-aliased text is hard to read\nunless you magnify' == \
text
def test_that_ocr_region_none_isnt_allowed(region):
f = load_image("ocr/small.png")
with pytest.raises((TypeError, ValueError)):
stbt.ocr(frame=f, region=region)
with pytest.raises((TypeError, ValueError)):
stbt.match_text("Small", frame=f, region=region)
def cached_ocr2():
return stbt.ocr(frame=frame2, region=r)
def cached_ocr1():
return stbt.ocr(frame=frame, region=r)
def test_ocr_on_static_images(image, expected_text, region, mode):
kwargs = {"region": region}
if mode is not None:
kwargs["mode"] = mode
text = stbt.ocr(load_image("ocr/" + image), **kwargs)
assert text == expected_text
def test_ocr_on_text_next_to_image_match():
frame = load_image("action-panel.png")
m = stbt.match("action-panel-blue-button.png", frame)
assert "YOUVIEW MENU" == stbt.ocr(frame,
region=m.region.right_of(width=150))