def test_get_invalid_pages_blank_page():
packet = io.BytesIO()
cv = canvas.Canvas(packet, pagesize=A4)
cv.setStrokeColor(white)
cv.setFillColor(white)
cv.rect(0, 0, 1000, 1000, stroke=1, fill=1)
cv.save()
packet.seek(0)
assert get_invalid_pages_with_message(packet) == ("", [])
def test_get_invalid_pages_second_page(x, y, expected_failed):
packet = io.BytesIO()
cv = canvas.Canvas(packet, pagesize=A4)
cv.setStrokeColor(white)
cv.setFillColor(white)
cv.rect(0, 0, 1000, 1000, stroke=1, fill=1)
cv.showPage()
cv.setStrokeColor(white)
cv.setFillColor(white)
cv.rect(0, 0, 1000, 1000, stroke=1, fill=1)
cv.setStrokeColor(black)
cv.setFillColor(black)
cv.rect(x, y, 5, 5, stroke=1, fill=1)
cv.save()
packet.seek(0)
if expected_failed:
assert get_invalid_pages_with_message(packet) == (
'content-outside-printable-area', [2])
else:
assert get_invalid_pages_with_message(packet) == ('', [])
def test_get_invalid_pages_grey_bottom_corner():
packet = io.BytesIO()
cv = canvas.Canvas(packet, pagesize=A4)
cv.setStrokeColor(white)
cv.setFillColor(white)
cv.rect(0, 0, 1000, 1000, stroke=1, fill=1)
cv.setStrokeColor(grey)
cv.setFillColor(grey)
cv.rect(0, 0, 10, 10, stroke=1, fill=1)
cv.save()
packet.seek(0)
assert get_invalid_pages_with_message(packet) == (
'content-outside-printable-area', [1])
def test_get_invalid_pages_address_margin():
packet = io.BytesIO()
cv = canvas.Canvas(packet, pagesize=A4)
cv.setStrokeColor(white)
cv.setFillColor(white)
cv.rect(0, 0, 1000, 1000, stroke=1, fill=1)
cv.setStrokeColor(black)
cv.setFillColor(black)
# This rectangle is the address margin, but 1 mm smaller on each side to account for aliasing
cv.rect(121 * mm, 203 * mm, 4 * mm, 64 * mm, stroke=1, fill=1)
cv.save()
packet.seek(0)
assert get_invalid_pages_with_message(packet) == (
'content-outside-printable-area', [1])
def test_get_invalid_pages_black_text(x, y, page, expected_message):
packet = io.BytesIO()
cv = canvas.Canvas(packet, pagesize=A4)
cv.setStrokeColor(white)
cv.setFillColor(white)
cv.rect(0, 0, 1000, 1000, stroke=1, fill=1)
if page > 1:
cv.showPage()
cv.setStrokeColor(black)
cv.setFillColor(black)
cv.setFont('Arial', 6)
cv.drawString(x, y,
'This is a test string used to detect non white on a page')
cv.save()
packet.seek(0)
assert get_invalid_pages_with_message(packet) == expected_message
def test_get_invalid_pages_rejects_later_pages_with_notify_tags():
message, invalid_pages = get_invalid_pages_with_message(
BytesIO(notify_tags_on_page_2_and_4))
assert message == 'notify-tag-found-in-content'
assert invalid_pages == [2, 4]
def test_get_invalid_pages_ignores_notify_tags_on_page_1():
message, invalid_pages = get_invalid_pages_with_message(
BytesIO(already_has_notify_tag))
assert message == ''
assert invalid_pages == []
def test_get_invalid_pages_is_ok_with_landscape_pages_that_are_rotated():
# the page is orientated landscape but rotated 90º - all the text is sideways but it's still portrait
message, invalid_pages = get_invalid_pages_with_message(
BytesIO(portrait_rotated_page))
assert message == ''
assert invalid_pages == []
def test_get_invalid_pages_not_a4_oriented(pdf):
message, invalid_pages = get_invalid_pages_with_message(BytesIO(pdf))
assert message == 'letter-not-a4-portrait-oriented'
assert invalid_pages == [1]
