def test_scale(self) -> None:
sr_2 = SubRecipe(Ingredient(SVS("spam"), Quantity(2)),
(SVS([2, "spams"]), ))
sr_6 = SubRecipe(Ingredient(SVS("spam"), Quantity(6)),
(SVS([6, "spams"]), ))
assert sr_2.scale(3) == sr_6
def test_reference_compilation(self) -> None:
sub_recipe = SubRecipe(
Step(SVS("open"), (Ingredient(SVS("spam")), )),
(SVS("spam"), SVS("tin")),
True,
)
assert compile([
"spam, tin = open(spam)\nspam\n1/3*spam\n25% of the spam\nleft over spam\n2 'tin'\n50g spam" # noqa: E501
]) == [
Recipe((
sub_recipe,
# spam
Reference(sub_recipe, 0, Proportion(1.0)),
# 1/3*spam
Reference(sub_recipe, 0,
Proportion(Fraction(1, 3), preposition="*")),
# 25% of the spam
Reference(
sub_recipe,
0,
Proportion(0.25, percentage=True, preposition="% of the"),
),
# remaining
Reference(sub_recipe, 0,
Proportion(None, remainder_wording="left over")),
# 2 tin
Reference(sub_recipe, 1, Quantity(2.0)),
# 50g spam
Reference(sub_recipe, 0, Quantity(50.0, "g")),
)),
]
def test_scale(self) -> None:
step = Step(SVS(["fry in ", 4, " blocks"]),
(Ingredient(SVS("spam"), Quantity(2)), ))
assert step.scale(3) == Step(
SVS(["fry in ", 12, " blocks"]),
(Ingredient(SVS("spam"), Quantity(6)), ),
)
def test_scale(self) -> None:
sr_2 = SubRecipe(Ingredient(SVS("spam"), Quantity(2)),
(SVS([2, " blocks of spam"]), ))
sr_6 = SubRecipe(Ingredient(SVS("spam"), Quantity(6)),
(SVS([6, " blocks of spam"]), ))
assert Reference(sr_2, 0).scale(3) == Reference(sr_6, 0)
assert Reference(sr_2, 0, Quantity(100, "g")).scale(3) == Reference(
sr_6,
0,
Quantity(300, "g"),
)
def test_scale(self) -> None:
sr_2 = SubRecipe(Ingredient(SVS("spam"), Quantity(2)), (SVS("spam"), ))
ref_sr_2 = Reference(sr_2)
sr_6 = SubRecipe(Ingredient(SVS("spam"), Quantity(6)), (SVS("spam"), ))
ref_sr_6 = Reference(sr_6)
first_rec_2 = Recipe((sr_2, ))
second_rec_2 = Recipe((ref_sr_2, ), follows=first_rec_2)
first_rec_6 = Recipe((sr_6, ))
second_rec_6 = Recipe((ref_sr_6, ), follows=first_rec_6)
assert first_rec_2.scale(3) == first_rec_6
assert second_rec_2.scale(3) == second_rec_6
def test_separate_recipes(self) -> None:
compiled = compile_markdown(
dedent("""
Fried egg:
```recipe
1 egg
```
```recipe
fry(egg)
```
Boiled egg:
```new-recipe
2 egg
```
```recipe
boil(egg)
```
""").strip())
e1 = SubRecipe(
Ingredient(SVS("egg"), Quantity(1)),
(SVS("egg"), ),
show_output_names=False,
)
r1 = Recipe((e1, ))
r2 = Recipe((Step(SVS("fry"), (Reference(e1), )), ), follows=r1)
e2 = SubRecipe(
Ingredient(SVS("egg"), Quantity(2)),
(SVS("egg"), ),
show_output_names=False,
)
r3 = Recipe((e2, ))
r4 = Recipe((Step(SVS("boil"), (Reference(e2), )), ), follows=r3)
assert compiled.recipes == [[r1, r2], [r3, r4]]
# Check anchor IDs are unique too
html = compiled.render()
assert 'id="recipe-egg"' in html
assert 'href="#recipe-egg"' in html
assert 'id="recipe2-egg"' in html
assert 'href="#recipe2-egg"' in html
def test_dont_inline_partial_uses_of_a_subrecipe(self) -> None:
sub_recipe = SubRecipe(
Ingredient(SVS("spam"), Quantity(100, "g")),
(SVS("spam"), ),
False,
)
assert compile(["100g spam\nfry(50g spam, eggs)"]) == [
Recipe((
sub_recipe,
Step(
SVS("fry"),
(
Reference(sub_recipe, 0, Quantity(50, "g")),
Ingredient(SVS("eggs")),
),
),
))
]
def test_dont_inline_definitions_from_earlier_blocks(self) -> None:
sub_recipe = SubRecipe(
Ingredient(SVS("spam"), Quantity(100, "g")),
(SVS("spam"), ),
False,
)
recipe0 = Recipe((sub_recipe, ))
recipe1 = Recipe(
(Step(
SVS("fry"),
(
Reference(sub_recipe, 0, Quantity(50, "g")),
Ingredient(SVS("eggs")),
),
), ),
follows=recipe0,
)
assert compile(["100g spam",
"fry(50g spam, eggs)"]) == [recipe0, recipe1]
def test_ingredient_compilation(self) -> None:
assert compile(
["500g spam\n2 eggs\n1 kg foo\n1 can of dog food\nheat"]) == [
Recipe((
# With unit
SubRecipe(
Ingredient(SVS("spam"), Quantity(500.0, "g")),
(SVS("spam"), ),
False,
),
# No unit
SubRecipe(
Ingredient(SVS("eggs"), Quantity(2.0)),
(SVS("eggs"), ),
False,
),
# With spacing between number and unit
SubRecipe(
Ingredient(SVS("foo"),
Quantity(1.0, "kg",
value_unit_spacing=" ")),
(SVS("foo"), ),
False,
),
# With spacing between number and unit
SubRecipe(
Ingredient(
SVS("dog food"),
Quantity(
1,
"can",
value_unit_spacing=" ",
preposition=" of",
),
),
(SVS("dog food"), ),
False,
),
# No quantity
SubRecipe(Ingredient(SVS("heat")), (SVS("heat"), ), False),
))
]
def test_inlining_single_references(self, quantity_spec: str) -> None:
assert compile(
[f"meat = 10g spam, sliced\nfry({quantity_spec} meat, eggs)"]) == [
Recipe((Step(
SVS("fry"),
(
Step(
SVS("sliced"),
(Ingredient(SVS("spam"), Quantity(10, "g")), ),
),
Ingredient(SVS("eggs")),
),
), ))
]
def test_recipe_code_blocks_and_scaled_rendering(self,
source: str) -> None:
compiled = compile_markdown(dedent(source).strip())
assert compiled.title == "A recipe"
assert compiled.servings == 2
assert compiled.recipes == [[
Recipe((Step(
SVS("fry"),
(
Ingredient(SVS("spam"), Quantity(100, "g")),
Ingredient(SVS("eggs"), Quantity(2)),
),
), )),
]]
assert (compiled.render(2) == dedent("""
<header><h1 class="rg-title-scalable">A recipe <span class="rg-serving-count">for <span class="rg-scaled-value">4</span></span></h1><p>Rescaled from <span class="rg-original-servings">2 servings</span>.</p></header>
<div class="rg-recipe-block">
<table class="rg-table">
<tr>
<td class="rg-ingredient rg-border-left-sub-recipe rg-border-top-sub-recipe">
<span class="rg-quantity-with-conversions rg-scaled-value" tabindex="0">
200g<ul class="rg-quantity-conversions">
<li><sup>1</sup>⁄<sub>5</sub>kg</li>
<li>0.441lb</li>
<li>7.05oz</li>
</ul>
</span> spam
</td>
<td class="rg-step rg-border-right-sub-recipe rg-border-top-sub-recipe rg-border-bottom-sub-recipe" rowspan="2">fry</td>
</tr>
<tr><td class="rg-ingredient rg-border-left-sub-recipe rg-border-bottom-sub-recipe"><span class="rg-quantity-unitless rg-scaled-value">4</span> eggs</td></tr>
</table>
</div><p>Ta-da!</p>
"""
# noqa: E501
).lstrip())
def _compile_quantity(self, ast_quantity: ast.Quantity) -> Quantity:
unit: Optional[str] = None
if ast_quantity.unit is not None:
unit_string = compile_string(ast_quantity.unit)
# The grammar disallows scaled values in unit names, this assertion
# is just a sanity check to that effect
assert unit_string == unit_string.scale(0)
unit = str(unit_string)
return Quantity(
value=ast_quantity.value,
unit=unit,
value_unit_spacing=ast_quantity.value_unit_spacing,
preposition=ast_quantity.preposition,
)
def test_inlines_within_inlines(self) -> None:
recipe = Recipe((Step(
SVS("boil"),
(
SubRecipe(
Step(
SVS("fry"),
(Ingredient(SVS("spam"), Quantity(100, "g")), ),
),
(SVS("fried spam"), ),
),
Ingredient(SVS("water")),
),
), ))
assert compile([
"100g spam\nfried spam := fry(spam)\nboil(fried spam, water)"
]) == [recipe]
def test_inlining_within_a_block(self) -> None:
recipe0 = Recipe((SubRecipe(Ingredient(SVS("egg")), (SVS("egg"), ),
show_output_names=False), ))
recipe1 = Recipe(
(Step(SVS("fry"),
(Ingredient(SVS("spam"), Quantity(50, "g")), )), ),
follows=recipe0,
)
recipe2 = Recipe(
(SubRecipe(Ingredient(SVS("potato")), (SVS("potato"), ),
show_output_names=False), ),
follows=recipe1,
)
assert compile(["egg", "50g spam\nfry(spam)", "potato"]) == [
recipe0,
recipe1,
recipe2,
]
class TestQuantity:
@pytest.mark.parametrize(
"a, b, exp",
[
# Unitless
(Quantity(1), Quantity(1), True),
(Quantity(1), Quantity(2), False),
(Quantity(1), Quantity(1, "g"), False),
(Quantity(1, "g"), Quantity(1), False),
# Same unit
(Quantity(1, "g"), Quantity(1, "g"), True),
(Quantity(1, "g"), Quantity(1, "G"), True),
(Quantity(1, "g"), Quantity(2, "g"), False),
(Quantity(1, "g"), Quantity(1, "kg"), False),
# Unit conversion used
(Quantity(1, "pounds"), Quantity(16, "ounces"), True),
(Quantity(1, "pounds"), Quantity(17, "ounces"), False),
# Incompatible, but valid units
(Quantity(1, "kg"), Quantity(1, "l"), False),
# Compatible but unknown units
(Quantity(123, "foo"), Quantity(123, "foo"), True),
(Quantity(123, "FOO"), Quantity(123, "foo"), True),
# Floating point errors mean an approximate comparison is required
# here
(Quantity(10, "g"), Quantity(0.01, "kg"), True),
],
)
def test_has_equal_value_to(self, a: Quantity, b: Quantity,
exp: bool) -> None:
assert a.has_equal_value_to(b) is exp
def test_scale(self) -> None:
assert Quantity(123, "foo").scale(10) == Quantity(1230, "foo")
def test_scale(self) -> None:
assert Quantity(123, "foo").scale(10) == Quantity(1230, "foo")
(SVS("spam"), )), 0), None),
# Can't name sub recipes (they're already named!)
(SubRecipe(Ingredient(SVS("spam")), (SVS("spam"), )), None),
],
)
def test_infer_output_name(recipe_tree: RecipeTreeNode,
exp: Optional[SVS]) -> None:
assert infer_output_name(recipe_tree) == exp
@pytest.mark.parametrize(
"recipe_tree, exp",
[
# Workable cases
(Ingredient(SVS("spam")), None),
(Ingredient(SVS("spam"), Quantity(100)), Quantity(100)),
(Ingredient(SVS("spam"), Quantity(100, "g")), Quantity(100, "g")),
(Step(SVS("fry"),
(Ingredient(SVS("spam"), Quantity(100)), )), Quantity(100)),
(
SubRecipe(Ingredient(SVS("spam"), Quantity(100)), (SVS("out"), )),
Quantity(100),
),
# Can't name step with several inputs
(
Step(
SVS("fry"),
(
Ingredient(SVS("spam"), Quantity(100)),
Ingredient(SVS("eggs"), Quantity(2)),
),
# Fraction
(Fraction(2, 3), "<sup>2</sup>⁄<sub>3</sub>"),
# Improper fraction
(Fraction(5, 3), "1 <sup>2</sup>⁄<sub>3</sub>"),
],
)
def test_render_number(number: Union[float, int, Fraction], exp: str) -> None:
assert render_number(number) == exp
@pytest.mark.parametrize(
"quantity, exp",
[
# Unitless
(
Quantity(123),
'<span class="rg-quantity-unitless rg-scaled-value">123</span>',
),
# Unitless with preposition
(
Quantity(123, preposition=" of>"),
'<span class="rg-quantity-unitless rg-scaled-value">123</span> of>',
),
# Custom (unknown) unit with HTML char in
(
Quantity(123, "<foo>"),
'<span class="rg-quantity-without-conversions rg-scaled-value">123<foo></span>',
),
# Custom unit with spacing and preposition
(
Quantity(
def test_has_equal_value_to(self, a: Quantity, b: Quantity,
exp: bool) -> None:
assert a.has_equal_value_to(b) is exp