| from mako.template import Template |
| from mako import lookup |
| from test import TemplateTest |
| from test.util import flatten_result, result_lines |
| from test import eq_, assert_raises, requires_python_3 |
| from mako import compat |
| |
| class DefTest(TemplateTest): |
| def test_def_noargs(self): |
| template = Template(""" |
| |
| ${mycomp()} |
| |
| <%def name="mycomp()"> |
| hello mycomp ${variable} |
| </%def> |
| |
| """) |
| eq_( |
| template.render(variable='hi').strip(), |
| """hello mycomp hi""" |
| ) |
| |
| def test_def_blankargs(self): |
| template = Template(""" |
| <%def name="mycomp()"> |
| hello mycomp ${variable} |
| </%def> |
| |
| ${mycomp()}""") |
| eq_( |
| template.render(variable='hi').strip(), |
| "hello mycomp hi" |
| ) |
| |
| def test_def_args(self): |
| template = Template(""" |
| <%def name="mycomp(a, b)"> |
| hello mycomp ${variable}, ${a}, ${b} |
| </%def> |
| |
| ${mycomp(5, 6)}""") |
| eq_( |
| template.render(variable='hi', a=5, b=6).strip(), |
| """hello mycomp hi, 5, 6""" |
| ) |
| |
| @requires_python_3 |
| def test_def_py3k_args(self): |
| template = Template(""" |
| <%def name="kwonly(one, two, *three, four, five=5, **six)"> |
| look at all these args: ${one} ${two} ${three[0]} ${four} ${five} ${six['seven']} |
| </%def> |
| |
| ${kwonly('one', 'two', 'three', four='four', seven='seven')}""") |
| eq_( |
| template.render(one=1, two=2, three=(3,), six=6).strip(), |
| """look at all these args: one two three four 5 seven""" |
| ) |
| |
| def test_inter_def(self): |
| """test defs calling each other""" |
| template = Template(""" |
| ${b()} |
| |
| <%def name="a()">\ |
| im a |
| </%def> |
| |
| <%def name="b()"> |
| im b |
| and heres a: ${a()} |
| </%def> |
| |
| <%def name="c()"> |
| im c |
| </%def> |
| """) |
| # check that "a" is declared in "b", but not in "c" |
| if compat.py3k: |
| assert "a" not in template.module.render_c.__code__.co_varnames |
| assert "a" in template.module.render_b.__code__.co_varnames |
| else: |
| assert "a" not in template.module.render_c.func_code.co_varnames |
| assert "a" in template.module.render_b.func_code.co_varnames |
| |
| # then test output |
| eq_( |
| flatten_result(template.render()), |
| "im b and heres a: im a" |
| ) |
| |
| def test_toplevel(self): |
| """test calling a def from the top level""" |
| |
| template = Template(""" |
| |
| this is the body |
| |
| <%def name="a()"> |
| this is a |
| </%def> |
| |
| <%def name="b(x, y)"> |
| this is b, ${x} ${y} |
| </%def> |
| |
| """) |
| |
| self._do_test(template.get_def("a"), |
| "this is a", |
| filters=flatten_result) |
| self._do_test(template.get_def("b"), |
| "this is b, 10 15", |
| template_args={'x': 10, 'y': 15}, |
| filters=flatten_result) |
| self._do_test(template.get_def("body"), |
| "this is the body", |
| filters=flatten_result) |
| |
| # test that args outside of the dict can be used |
| self._do_test(template.get_def("a"), "this is a", |
| filters=flatten_result, |
| template_args={'q': 5, 'zq': 'test'}) |
| |
| def test_def_operations(self): |
| """test get/list/has def""" |
| |
| template = Template(""" |
| |
| this is the body |
| |
| <%def name="a()"> |
| this is a |
| </%def> |
| |
| <%def name="b(x, y)"> |
| this is b, ${x} ${y} |
| </%def> |
| |
| """) |
| |
| assert template.get_def("a") |
| assert template.get_def("b") |
| assert_raises(AttributeError, |
| template.get_def, |
| ("c") |
| ) |
| |
| assert template.has_def("a") |
| assert template.has_def("b") |
| assert not template.has_def("c") |
| |
| defs = template.list_defs() |
| assert "a" in defs |
| assert "b" in defs |
| assert "body" in defs |
| assert "c" not in defs |
| |
| |
| class ScopeTest(TemplateTest): |
| """test scoping rules. The key is, enclosing |
| scope always takes precedence over contextual scope.""" |
| |
| def test_scope_one(self): |
| self._do_memory_test(""" |
| <%def name="a()"> |
| this is a, and y is ${y} |
| </%def> |
| |
| ${a()} |
| |
| <% |
| y = 7 |
| %> |
| |
| ${a()} |
| |
| """, |
| "this is a, and y is None this is a, and y is 7", |
| filters=flatten_result, |
| template_args={'y': None} |
| ) |
| |
| def test_scope_two(self): |
| t = Template(""" |
| y is ${y} |
| |
| <% |
| y = 7 |
| %> |
| |
| y is ${y} |
| """) |
| try: |
| t.render(y=None) |
| assert False |
| except UnboundLocalError: |
| assert True |
| |
| def test_scope_four(self): |
| """test that variables are pulled |
| from 'enclosing' scope before context.""" |
| t = Template(""" |
| <% |
| x = 5 |
| %> |
| <%def name="a()"> |
| this is a. x is ${x}. |
| </%def> |
| |
| <%def name="b()"> |
| <% |
| x = 9 |
| %> |
| this is b. x is ${x}. |
| calling a. ${a()} |
| </%def> |
| |
| ${b()} |
| """) |
| eq_( |
| flatten_result(t.render()), |
| "this is b. x is 9. calling a. this is a. x is 5." |
| ) |
| |
| def test_scope_five(self): |
| """test that variables are pulled from |
| 'enclosing' scope before context.""" |
| # same as test four, but adds a scope around it. |
| t = Template(""" |
| <%def name="enclosing()"> |
| <% |
| x = 5 |
| %> |
| <%def name="a()"> |
| this is a. x is ${x}. |
| </%def> |
| |
| <%def name="b()"> |
| <% |
| x = 9 |
| %> |
| this is b. x is ${x}. |
| calling a. ${a()} |
| </%def> |
| |
| ${b()} |
| </%def> |
| ${enclosing()} |
| """) |
| eq_( |
| flatten_result(t.render()), |
| "this is b. x is 9. calling a. this is a. x is 5." |
| ) |
| |
| def test_scope_six(self): |
| """test that the initial context counts |
| as 'enclosing' scope, for plain defs""" |
| t = Template(""" |
| |
| <%def name="a()"> |
| a: x is ${x} |
| </%def> |
| |
| <%def name="b()"> |
| <% |
| x = 10 |
| %> |
| b. x is ${x}. ${a()} |
| </%def> |
| |
| ${b()} |
| """) |
| eq_( |
| flatten_result(t.render(x=5)), |
| "b. x is 10. a: x is 5" |
| ) |
| |
| def test_scope_seven(self): |
| """test that the initial context counts |
| as 'enclosing' scope, for nested defs""" |
| t = Template(""" |
| <%def name="enclosing()"> |
| <%def name="a()"> |
| a: x is ${x} |
| </%def> |
| |
| <%def name="b()"> |
| <% |
| x = 10 |
| %> |
| b. x is ${x}. ${a()} |
| </%def> |
| |
| ${b()} |
| </%def> |
| ${enclosing()} |
| """) |
| eq_( |
| flatten_result(t.render(x=5)), |
| "b. x is 10. a: x is 5" |
| ) |
| |
| def test_scope_eight(self): |
| """test that the initial context counts |
| as 'enclosing' scope, for nested defs""" |
| t = Template(""" |
| <%def name="enclosing()"> |
| <%def name="a()"> |
| a: x is ${x} |
| </%def> |
| |
| <%def name="b()"> |
| <% |
| x = 10 |
| %> |
| |
| b. x is ${x}. ${a()} |
| </%def> |
| |
| ${b()} |
| </%def> |
| ${enclosing()} |
| """) |
| eq_( |
| flatten_result(t.render(x=5)), |
| "b. x is 10. a: x is 5" |
| ) |
| |
| def test_scope_nine(self): |
| """test that 'enclosing scope' doesnt |
| get exported to other templates""" |
| |
| l = lookup.TemplateLookup() |
| l.put_string('main', """ |
| <% |
| x = 5 |
| %> |
| this is main. <%include file="secondary"/> |
| """) |
| |
| l.put_string('secondary', """ |
| this is secondary. x is ${x} |
| """) |
| |
| eq_( |
| flatten_result(l.get_template('main').render(x=2)), |
| "this is main. this is secondary. x is 2" |
| ) |
| |
| def test_scope_ten(self): |
| t = Template(""" |
| <%def name="a()"> |
| <%def name="b()"> |
| <% |
| y = 19 |
| %> |
| b/c: ${c()} |
| b/y: ${y} |
| </%def> |
| <%def name="c()"> |
| c/y: ${y} |
| </%def> |
| |
| <% |
| # we assign to "y". but the 'enclosing |
| # scope' of "b" and "c" is from |
| # the "y" on the outside |
| y = 10 |
| %> |
| a/y: ${y} |
| a/b: ${b()} |
| </%def> |
| |
| <% |
| y = 7 |
| %> |
| main/a: ${a()} |
| main/y: ${y} |
| """) |
| eq_( |
| flatten_result(t.render()), |
| "main/a: a/y: 10 a/b: b/c: c/y: 10 b/y: 19 main/y: 7" |
| ) |
| |
| def test_scope_eleven(self): |
| t = Template(""" |
| x is ${x} |
| <%def name="a(x)"> |
| this is a, ${b()} |
| <%def name="b()"> |
| this is b, x is ${x} |
| </%def> |
| </%def> |
| |
| ${a(x=5)} |
| """) |
| eq_( |
| result_lines(t.render(x=10)), |
| [ |
| "x is 10", |
| "this is a,", |
| "this is b, x is 5" |
| ]) |
| |
| def test_unbound_scope(self): |
| t = Template(""" |
| <% |
| y = 10 |
| %> |
| <%def name="a()"> |
| y is: ${y} |
| <% |
| # should raise error ? |
| y = 15 |
| %> |
| y is ${y} |
| </%def> |
| ${a()} |
| """) |
| assert_raises( |
| UnboundLocalError, |
| t.render |
| ) |
| |
| def test_unbound_scope_two(self): |
| t = Template(""" |
| <%def name="enclosing()"> |
| <% |
| y = 10 |
| %> |
| <%def name="a()"> |
| y is: ${y} |
| <% |
| # should raise error ? |
| y = 15 |
| %> |
| y is ${y} |
| </%def> |
| ${a()} |
| </%def> |
| ${enclosing()} |
| """) |
| try: |
| print(t.render()) |
| assert False |
| except UnboundLocalError: |
| assert True |
| |
| def test_canget_kwargs(self): |
| """test that arguments passed to the body() |
| function are accessible by top-level defs""" |
| l = lookup.TemplateLookup() |
| l.put_string("base", """ |
| |
| ${next.body(x=12)} |
| |
| """) |
| |
| l.put_string("main", """ |
| <%inherit file="base"/> |
| <%page args="x"/> |
| this is main. x is ${x} |
| |
| ${a()} |
| |
| <%def name="a(**args)"> |
| this is a, x is ${x} |
| </%def> |
| """) |
| |
| # test via inheritance |
| eq_( |
| result_lines(l.get_template("main").render()), |
| [ |
| "this is main. x is 12", |
| "this is a, x is 12" |
| ]) |
| |
| l.put_string("another", """ |
| <%namespace name="ns" file="main"/> |
| |
| ${ns.body(x=15)} |
| """) |
| # test via namespace |
| eq_( |
| result_lines(l.get_template("another").render()), |
| [ |
| "this is main. x is 15", |
| "this is a, x is 15" |
| ]) |
| |
| def test_inline_expression_from_arg_one(self): |
| """test that cache_key=${foo} gets its value from |
| the 'foo' argument in the <%def> tag, |
| and strict_undefined doesn't complain. |
| |
| this is #191. |
| |
| """ |
| t = Template(""" |
| <%def name="layout(foo)" cached="True" cache_key="${foo}"> |
| foo: ${foo} |
| </%def> |
| |
| ${layout(3)} |
| """, strict_undefined=True, |
| cache_impl="plain") |
| |
| eq_( |
| result_lines(t.render()), |
| ["foo: 3"] |
| ) |
| |
| def test_interpret_expression_from_arg_two(self): |
| """test that cache_key=${foo} gets its value from |
| the 'foo' argument regardless of it being passed |
| from the context. |
| |
| This is here testing that there's no change |
| to existing behavior before and after #191. |
| |
| """ |
| t = Template(""" |
| <%def name="layout(foo)" cached="True" cache_key="${foo}"> |
| foo: ${value} |
| </%def> |
| |
| ${layout(3)} |
| """, cache_impl="plain") |
| |
| eq_( |
| result_lines(t.render(foo='foo', value=1)), |
| ["foo: 1"] |
| ) |
| eq_( |
| result_lines(t.render(foo='bar', value=2)), |
| ["foo: 1"] |
| ) |
| |
| class NestedDefTest(TemplateTest): |
| def test_nested_def(self): |
| t = Template(""" |
| |
| ${hi()} |
| |
| <%def name="hi()"> |
| hey, im hi. |
| and heres ${foo()}, ${bar()} |
| |
| <%def name="foo()"> |
| this is foo |
| </%def> |
| |
| <%def name="bar()"> |
| this is bar |
| </%def> |
| </%def> |
| """) |
| eq_( |
| flatten_result(t.render()), |
| "hey, im hi. and heres this is foo , this is bar" |
| ) |
| |
| def test_nested_2(self): |
| t = Template(""" |
| x is ${x} |
| <%def name="a()"> |
| this is a, x is ${x} |
| ${b()} |
| <%def name="b()"> |
| this is b: ${x} |
| </%def> |
| </%def> |
| ${a()} |
| """) |
| |
| eq_( |
| flatten_result(t.render(x=10)), |
| "x is 10 this is a, x is 10 this is b: 10" |
| ) |
| |
| def test_nested_with_args(self): |
| t = Template(""" |
| ${a()} |
| <%def name="a()"> |
| <%def name="b(x, y=2)"> |
| b x is ${x} y is ${y} |
| </%def> |
| a ${b(5)} |
| </%def> |
| """) |
| eq_( |
| flatten_result(t.render()), |
| "a b x is 5 y is 2" |
| ) |
| |
| def test_nested_def_2(self): |
| template = Template(""" |
| ${a()} |
| <%def name="a()"> |
| <%def name="b()"> |
| <%def name="c()"> |
| comp c |
| </%def> |
| ${c()} |
| </%def> |
| ${b()} |
| </%def> |
| """) |
| eq_( |
| flatten_result(template.render()), |
| "comp c" |
| ) |
| |
| def test_nested_nested_def(self): |
| t = Template(""" |
| |
| ${a()} |
| <%def name="a()"> |
| a |
| <%def name="b1()"> |
| a_b1 |
| </%def> |
| <%def name="b2()"> |
| a_b2 ${c1()} |
| <%def name="c1()"> |
| a_b2_c1 |
| </%def> |
| </%def> |
| <%def name="b3()"> |
| a_b3 ${c1()} |
| <%def name="c1()"> |
| a_b3_c1 heres x: ${x} |
| <% |
| y = 7 |
| %> |
| y is ${y} |
| </%def> |
| <%def name="c2()"> |
| a_b3_c2 |
| y is ${y} |
| c1 is ${c1()} |
| </%def> |
| ${c2()} |
| </%def> |
| |
| ${b1()} ${b2()} ${b3()} |
| </%def> |
| """) |
| eq_( |
| flatten_result(t.render(x=5, y=None)), |
| "a a_b1 a_b2 a_b2_c1 a_b3 a_b3_c1 " |
| "heres x: 5 y is 7 a_b3_c2 y is " |
| "None c1 is a_b3_c1 heres x: 5 y is 7" |
| ) |
| |
| def test_nested_nested_def_2(self): |
| t = Template(""" |
| <%def name="a()"> |
| this is a ${b()} |
| <%def name="b()"> |
| this is b |
| ${c()} |
| </%def> |
| |
| <%def name="c()"> |
| this is c |
| </%def> |
| </%def> |
| ${a()} |
| """) |
| eq_( |
| flatten_result(t.render()), |
| "this is a this is b this is c" |
| ) |
| |
| def test_outer_scope(self): |
| t = Template(""" |
| <%def name="a()"> |
| a: x is ${x} |
| </%def> |
| |
| <%def name="b()"> |
| <%def name="c()"> |
| <% |
| x = 10 |
| %> |
| c. x is ${x}. ${a()} |
| </%def> |
| |
| b. ${c()} |
| </%def> |
| |
| ${b()} |
| |
| x is ${x} |
| """) |
| eq_( |
| flatten_result(t.render(x=5)), |
| "b. c. x is 10. a: x is 5 x is 5" |
| ) |
| |
| class ExceptionTest(TemplateTest): |
| def test_raise(self): |
| template = Template(""" |
| <% |
| raise Exception("this is a test") |
| %> |
| """, format_exceptions=False) |
| assert_raises( |
| Exception, |
| template.render |
| ) |
| |
| def test_handler(self): |
| def handle(context, error): |
| context.write("error message is " + str(error)) |
| return True |
| |
| template = Template(""" |
| <% |
| raise Exception("this is a test") |
| %> |
| """, error_handler=handle) |
| eq_( |
| template.render().strip(), |
| "error message is this is a test" |
| ) |
| |
