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#
# test_render_chain.py <Peter.Bienstman@UGent.be>
#
import os
from mnemosyne_test import MnemosyneTest
from mnemosyne.libmnemosyne.filter import Filter
from mnemosyne.libmnemosyne.renderer import Renderer
class TestRenderChain(MnemosyneTest):
def test_add_filter(self):
fact_data = {"f": "question",
"b": "answer"}
card_type_1 = self.card_type_with_id("1")
card = self.controller().create_new_cards(fact_data, card_type_1,
grade=-1, tag_names=["default"])[0]
class MyFilter(Filter):
def run(self, text, card, fact_key):
return "666"
self.render_chain().register_filter(MyFilter)
assert "666" in card.question()
assert isinstance(self.render_chain().filter(MyFilter), MyFilter)
assert self.render_chain().filter(TestRenderChain) is None
assert type(self.render_chain()._filters[0]) \
!= type(MyFilter(self.mnemosyne.component_manager))
self.render_chain().unregister_filter(MyFilter)
assert "666" not in card.question()
self.render_chain().unregister_filter(type(1))
def test_add_filter_2(self):
fact_data = {"f": "question",
"b": "answer"}
card_type_1 = self.card_type_with_id("1")
card = self.controller().create_new_cards(fact_data, card_type_1,
grade=-1, tag_names=["default"])[0]
class MyFilter(Filter):
def run(self, text, card, fact_key):
return "666"
self.render_chain().register_filter(MyFilter, in_front=True)
assert "666" in card.question()
assert type(self.render_chain()._filters[0]) \
== type(MyFilter(self.mnemosyne.component_manager))
def test_add_filter_order(self):
fact_data = {"f": "question",
"b": "answer"}
card_type_1 = self.card_type_with_id("1")
card = self.controller().create_new_cards(fact_data, card_type_1,
grade=-1, tag_names=["default"])[0]
class MyFilter1(Filter):
def run(self, text, card, fact_key):
return "666"
class MyFilter2(Filter):
def run(self, text, card, fact_key):
return "[%s]" % text
class MyFilter3(Filter):
def run(self, text, card, fact_key):
return "(%s)" % text
class MyFilter4(Filter):
def run(self, text, card, fact_key):
return "{%s}" % text
def equals(filter_class):
ty = type(filter_class(self.mnemosyne.component_manager))
def eq(x):
return type(x) == ty
return eq
self.render_chain().register_filter_at_front(MyFilter1)
assert "666" in card.question()
self.render_chain().register_filter_at_front(MyFilter2, [MyFilter1.__name__])
assert "[666]" in card.question()
self.render_chain().register_filter_at_back(MyFilter3, [MyFilter2.__name__])
assert "[(666)]" in card.question()
self.render_chain().register_filter_at_front(MyFilter4, [MyFilter3.__name__])
assert "[{(666)}]" in card.question()
assert type(self.render_chain()._filters[0]) \
== type(MyFilter1(self.mnemosyne.component_manager))
assert type(self.render_chain()._filters[1]) \
== type(MyFilter3(self.mnemosyne.component_manager))
assert type(self.render_chain()._filters[2]) \
== type(MyFilter4(self.mnemosyne.component_manager))
assert type(self.render_chain()._filters[3]) \
== type(MyFilter2(self.mnemosyne.component_manager))
def test_add_card_type_renderer(self):
fact_data = {"f": "question",
"b": "answer"}
card_type_1 = self.card_type_with_id("1")
card = self.controller().create_new_cards(fact_data, card_type_1,
grade=-1, tag_names=["default"])[0]
class MyRenderer(Renderer):
used_for = card_type_1
def render(self, fact_data, fields, card_type, **render_args):
return "666"
self.render_chain().register_renderer(MyRenderer)
assert "666" in card.question()
card_type_2 = self.card_type_with_id("2")
card = self.controller().create_new_cards(fact_data, card_type_2,
grade=-1, tag_names=["default"])[0]
assert "666" not in card.question()
self.render_chain().unregister_renderer(MyRenderer)
assert "666" not in card.question()
self.render_chain().unregister_renderer(type(1))
def test_latex(self):
fact_data = {"f": "<latex>1<2</latex>",
"b": "answer"}
card_type_1 = self.card_type_with_id("1")
card = self.controller().create_new_cards(fact_data, card_type_1,
grade=-1, tag_names=["default"])[0]
card.question()
filename = os.path.join(os.path.abspath("dot_test"),
"default.db_media", "_latex", "tmp.tex")
contents = "".join(open(filename).readlines())
assert '<' in contents
assert "<" not in contents
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