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Diffstat (limited to 'test/test_lexer.py')
| -rw-r--r-- | test/test_lexer.py | 474 |
1 files changed, 474 insertions, 0 deletions
diff --git a/test/test_lexer.py b/test/test_lexer.py new file mode 100644 index 0000000..21c18a2 --- /dev/null +++ b/test/test_lexer.py @@ -0,0 +1,474 @@ +import unittest + +from mako.lexer import Lexer +from mako import exceptions +from util import flatten_result, result_lines +from mako.template import Template +import re + +class LexerTest(unittest.TestCase): + def test_text_and_tag(self): + template = """ +<b>Hello world</b> + <%def name="foo()"> + this is a def. + </%def> + + and some more text. +""" + node = Lexer(template).parse() + assert repr(node) == r"""TemplateNode({}, [Text(u'\n<b>Hello world</b>\n ', (1, 1)), DefTag(u'def', {u'name': u'foo()'}, (3, 9), ["Text(u'\\n this is a def.\\n ', (3, 28))"]), Text(u'\n \n and some more text.\n', (5, 16))])""" + + def test_unclosed_tag(self): + template = """ + + <%def name="foo()"> + other text + """ + try: + nodes = Lexer(template).parse() + assert False + except exceptions.SyntaxException, e: + assert str(e) == "Unclosed tag: <%def> at line: 5 char: 9" + + def test_onlyclosed_tag(self): + template = """ + <%def name="foo()"> + foo + </%def> + + </%namespace> + + hi. + """ + self.assertRaises(exceptions.SyntaxException, Lexer(template).parse) + + def test_unmatched_tag(self): + template = """ + <%namespace name="bar"> + <%def name="foo()"> + foo + </%namespace> + </%def> + + + hi. +""" + self.assertRaises(exceptions.SyntaxException, Lexer(template).parse) + + def test_nonexistent_tag(self): + template = """ + <%lala x="5"/> + """ + self.assertRaises(exceptions.CompileException, Lexer(template).parse) + + def test_wrongcase_tag(self): + template = """ + <%DEF name="foo()"> + </%def> + + """ + + self.assertRaises(exceptions.CompileException, Lexer(template).parse) + + def test_text_tag(self): + template = """ + ## comment + % if foo: + hi + % endif + <%text> + # more code + + % more code + <%illegal compionent>/></> + <%def name="laal()">def</%def> + + + </%text> + + <%def name="foo()">this is foo</%def> + + % if bar: + code + % endif + """ + node = Lexer(template).parse() + assert repr(node) == r"""TemplateNode({}, [Text(u'\n', (1, 1)), Comment(u'comment', (2, 1)), ControlLine(u'if', u'if foo:', False, (3, 1)), Text(u' hi\n', (4, 1)), ControlLine(u'if', u'endif', True, (5, 1)), Text(u' ', (6, 1)), TextTag(u'text', {}, (6, 9), ['Text(u\'\\n # more code\\n \\n % more code\\n <%illegal compionent>/></>\\n <%def name="laal()">def</%def>\\n \\n \\n \', (6, 16))']), Text(u'\n\n ', (14, 17)), DefTag(u'def', {u'name': u'foo()'}, (16, 9), ["Text(u'this is foo', (16, 28))"]), Text(u'\n \n', (16, 46)), ControlLine(u'if', u'if bar:', False, (18, 1)), Text(u' code\n', (19, 1)), ControlLine(u'if', u'endif', True, (20, 1)), Text(u' ', (21, 1))])""" + + def test_def_syntax(self): + template = """ + <%def lala> + hi + </%def> +""" + self.assertRaises(exceptions.CompileException, Lexer(template).parse) + + def test_def_syntax_2(self): + template = """ + <%def name="lala"> + hi + </%def> + """ + self.assertRaises(exceptions.CompileException, Lexer(template).parse) + + def test_whitespace_equals(self): + template = """ + <%def name = "adef()" > + adef + </%def> + """ + + node = Lexer(template).parse() + assert repr(node) == r"""TemplateNode({}, [Text(u'\n ', (1, 1)), DefTag(u'def', {u'name': u'adef()'}, (2, 13), ["Text(u'\\n adef\\n ', (2, 36))"]), Text(u'\n ', (4, 20))])""" + + def test_ns_tag_closed(self): + template = """ + + <%self:go x="1" y="2" z="${'hi' + ' ' + 'there'}"/> + """ + nodes = Lexer(template).parse() + assert repr(nodes) == r"""TemplateNode({}, [Text(u'\n \n ', (1, 1)), CallNamespaceTag(u'self:go', {u'x': u'1', u'y': u'2', u'z': u"${'hi' + ' ' + 'there'}"}, (3, 13), []), Text(u'\n ', (3, 64))])""" + + def test_ns_tag_empty(self): + template = """ + <%form:option value=""></%form:option> + """ + nodes = Lexer(template).parse() + assert repr(nodes) == r"""TemplateNode({}, [Text(u'\n ', (1, 1)), CallNamespaceTag(u'form:option', {u'value': u''}, (2, 13), []), Text(u'\n ', (2, 51))])""" + + def test_ns_tag_open(self): + template = """ + + <%self:go x="1" y="${process()}"> + this is the body + </%self:go> + """ + nodes = Lexer(template).parse() + assert repr(nodes) == r"""TemplateNode({}, [Text(u'\n \n ', (1, 1)), CallNamespaceTag(u'self:go', {u'x': u'1', u'y': u'${process()}'}, (3, 13), ["Text(u'\\n this is the body\\n ', (3, 46))"]), Text(u'\n ', (5, 24))])""" + + def test_expr_in_attribute(self): + """test some slightly trickier expressions. + + you can still trip up the expression parsing, though, unless we integrated really deeply somehow with AST.""" + template = """ + <%call expr="foo>bar and 'lala' or 'hoho'"/> + <%call expr='foo<bar and hoho>lala and "x" + "y"'/> + """ + nodes = Lexer(template).parse() + #print nodes + assert repr(nodes) == r"""TemplateNode({}, [Text(u'\n ', (1, 1)), CallTag(u'call', {u'expr': u"foo>bar and 'lala' or 'hoho'"}, (2, 13), []), Text(u'\n ', (2, 57)), CallTag(u'call', {u'expr': u'foo<bar and hoho>lala and "x" + "y"'}, (3, 13), []), Text(u'\n ', (3, 64))])""" + + + def test_pagetag(self): + template = """ + <%page cached="True", args="a, b"/> + + some template + """ + nodes = Lexer(template).parse() + assert repr(nodes) == r"""TemplateNode({}, [Text(u'\n ', (1, 1)), PageTag(u'page', {u'args': u'a, b', u'cached': u'True'}, (2, 13), []), Text(u'\n \n some template\n ', (2, 48))])""" + + def test_nesting(self): + template = """ + + <%namespace name="ns"> + <%def name="lala(hi, there)"> + <%call expr="something()"/> + </%def> + </%namespace> + + """ + nodes = Lexer(template).parse() + assert repr(nodes) == r"""TemplateNode({}, [Text(u'\n \n ', (1, 1)), NamespaceTag(u'namespace', {u'name': u'ns'}, (3, 9), ["Text(u'\\n ', (3, 31))", 'DefTag(u\'def\', {u\'name\': u\'lala(hi, there)\'}, (4, 13), ["Text(u\'\\\\n \', (4, 42))", "CallTag(u\'call\', {u\'expr\': u\'something()\'}, (5, 17), [])", "Text(u\'\\\\n \', (5, 44))"])', "Text(u'\\n ', (6, 20))"]), Text(u'\n \n ', (7, 22))])""" + + def test_code(self): + template = """ + some text + + <% + print "hi" + for x in range(1,5): + print x + %> + + more text + + <%! + import foo + %> + """ + nodes = Lexer(template).parse() + #print nodes + assert repr(nodes) == r"""TemplateNode({}, [Text(u'\n some text\n \n ', (1, 1)), Code(u'\nprint "hi"\nfor x in range(1,5):\n print x\n \n', False, (4, 9)), Text(u'\n \n more text\n \n ', (8, 11)), Code(u'\nimport foo\n \n', True, (12, 9)), Text(u'\n ', (14, 11))])""" + + def test_code_and_tags(self): + template = """ +<%namespace name="foo"> + <%def name="x()"> + this is x + </%def> + <%def name="y()"> + this is y + </%def> +</%namespace> + +<% + result = [] + data = get_data() + for x in data: + result.append(x+7) +%> + + result: <%call expr="foo.x(result)"/> +""" + nodes = Lexer(template).parse() + assert repr(nodes) == r"""TemplateNode({}, [Text(u'\n', (1, 1)), NamespaceTag(u'namespace', {u'name': u'foo'}, (2, 1), ["Text(u'\\n ', (2, 24))", 'DefTag(u\'def\', {u\'name\': u\'x()\'}, (3, 5), ["Text(u\'\\\\n this is x\\\\n \', (3, 22))"])', "Text(u'\\n ', (5, 12))", 'DefTag(u\'def\', {u\'name\': u\'y()\'}, (6, 5), ["Text(u\'\\\\n this is y\\\\n \', (6, 22))"])', "Text(u'\\n', (8, 12))"]), Text(u'\n\n', (9, 14)), Code(u'\nresult = []\ndata = get_data()\nfor x in data:\n result.append(x+7)\n\n', False, (11, 1)), Text(u'\n\n result: ', (16, 3)), CallTag(u'call', {u'expr': u'foo.x(result)'}, (18, 13), []), Text(u'\n', (18, 42))])""" + + def test_expression(self): + template = """ + this is some ${text} and this is ${textwith | escapes, moreescapes} + <%def name="hi()"> + give me ${foo()} and ${bar()} + </%def> + ${hi()} +""" + nodes = Lexer(template).parse() + assert repr(nodes) == r"""TemplateNode({}, [Text(u'\n this is some ', (1, 1)), Expression(u'text', [], (2, 22)), Text(u' and this is ', (2, 29)), Expression(u'textwith ', ['escapes', 'moreescapes'], (2, 42)), Text(u'\n ', (2, 76)), DefTag(u'def', {u'name': u'hi()'}, (3, 9), ["Text(u'\\n give me ', (3, 27))", "Expression(u'foo()', [], (4, 21))", "Text(u' and ', (4, 29))", "Expression(u'bar()', [], (4, 34))", "Text(u'\\n ', (4, 42))"]), Text(u'\n ', (5, 16)), Expression(u'hi()', [], (6, 9)), Text(u'\n', (6, 16))])""" + + + def test_tricky_expression(self): + template = """ + + ${x and "|" or "hi"} + """ + nodes = Lexer(template).parse() + assert repr(nodes) == r"""TemplateNode({}, [Text(u'\n \n ', (1, 1)), Expression(u'x and "|" or "hi"', [], (3, 13)), Text(u'\n ', (3, 33))])""" + + template = """ + + ${hello + '''heres '{|}' text | | }''' | escape1} + """ + nodes = Lexer(template).parse() + assert repr(nodes) == r"""TemplateNode({}, [Text(u'\n \n ', (1, 1)), Expression(u"hello + '''heres '{|}' text | | }''' ", ['escape1'], (3, 13)), Text(u'\n ', (3, 62))])""" + + def test_tricky_code(self): + template = """<% print 'hi %>' %>""" + nodes = Lexer(template).parse() + assert repr(nodes) == r"""TemplateNode({}, [Code(u"print 'hi %>' \n", False, (1, 1))])""" + + template = r""" + <% + lines = src.split('\n') + %> +""" + nodes = Lexer(template).parse() + + def test_tricky_code_2(self): + template = """<% + # someone's comment + %> + """ + nodes = Lexer(template).parse() + assert repr(nodes) == r"""TemplateNode({}, [Code(u" \n # someone's comment\n \n", False, (1, 1)), Text(u'\n ', (3, 11))])""" + + template= """<% + print 'hi' + # this is a comment + # another comment + x = 7 # someone's '''comment + print ''' + there + ''' + # someone else's comment + %> '''and now some text '''""" + nodes = Lexer(template).parse() + assert repr(nodes) == r"""TemplateNode({}, [Code(u"\nprint 'hi'\n# this is a comment\n# another comment\nx = 7 # someone's '''comment\nprint '''\n there\n '''\n# someone else's comment\n \n", False, (1, 1)), Text(u" '''and now some text '''", (10, 11))])""" + + def test_control_lines(self): + template = """ +text text la la +% if foo(): + mroe text la la blah blah +% endif + + and osme more stuff + % for l in range(1,5): + tex tesl asdl l is ${l} kfmas d + % endfor + tetx text + +""" + nodes = Lexer(template).parse() + #print nodes + assert repr(nodes) == r"""TemplateNode({}, [Text(u'\ntext text la la\n', (1, 1)), ControlLine(u'if', u'if foo():', False, (3, 1)), Text(u' mroe text la la blah blah\n', (4, 1)), ControlLine(u'if', u'endif', True, (5, 1)), Text(u'\n and osme more stuff\n', (6, 1)), ControlLine(u'for', u'for l in range(1,5):', False, (8, 1)), Text(u' tex tesl asdl l is ', (9, 1)), Expression(u'l', [], (9, 24)), Text(u' kfmas d\n', (9, 28)), ControlLine(u'for', u'endfor', True, (10, 1)), Text(u' tetx text\n \n', (11, 1))])""" + + def test_control_lines_2(self): + template = \ +""" + + +% for file in requestattr['toc'].filenames: + x +% endfor +""" + nodes = Lexer(template).parse() + assert repr(nodes) == r"""TemplateNode({}, [Text(u'\n\n\n', (1, 1)), ControlLine(u'for', u"for file in requestattr['toc'].filenames:", False, (4, 1)), Text(u' x\n', (5, 1)), ControlLine(u'for', u'endfor', True, (6, 1))])""" + + def test_long_control_lines(self): + template = \ + """ + % for file in \\ + requestattr['toc'].filenames: + x + % endfor + """ + nodes = Lexer(template).parse() + assert repr(nodes) == r"""TemplateNode({}, [Text(u'\n', (1, 1)), ControlLine(u'for', u"for file in \\\n requestattr['toc'].filenames:", False, (2, 1)), Text(u' x\n', (4, 1)), ControlLine(u'for', u'endfor', True, (5, 1)), Text(u' ', (6, 1))])""" + + def test_unmatched_control(self): + template = """ + + % if foo: + % for x in range(1,5): + % endif +""" + try: + nodes = Lexer(template).parse() + assert False + except exceptions.SyntaxException, e: + assert str(e) == "Keyword 'endif' doesn't match keyword 'for' at line: 5 char: 1" + + def test_unmatched_control_2(self): + template = """ + + % if foo: + % for x in range(1,5): + % endfor +""" + try: + nodes = Lexer(template).parse() + assert False + except exceptions.SyntaxException, e: + assert str(e) == "Unterminated control keyword: 'if' at line: 3 char: 1" + + def test_unmatched_control_3(self): + template = """ + + % if foo: + % for x in range(1,5): + % endlala + % endif +""" + try: + nodes = Lexer(template).parse() + assert False + except exceptions.SyntaxException, e: + assert str(e) == "Keyword 'endlala' doesn't match keyword 'for' at line: 5 char: 1" + + def test_ternary_control(self): + template = """ + % if x: + hi + % elif y+7==10: + there + % elif lala: + lala + % else: + hi + % endif +""" + nodes = Lexer(template).parse() + assert repr(nodes) == r"""TemplateNode({}, [Text(u'\n', (1, 1)), ControlLine(u'if', u'if x:', False, (2, 1)), Text(u' hi\n', (3, 1)), ControlLine(u'elif', u'elif y+7==10:', False, (4, 1)), Text(u' there\n', (5, 1)), ControlLine(u'elif', u'elif lala:', False, (6, 1)), Text(u' lala\n', (7, 1)), ControlLine(u'else', u'else:', False, (8, 1)), Text(u' hi\n', (9, 1)), ControlLine(u'if', u'endif', True, (10, 1))])""" + + def test_integration(self): + template = """<%namespace name="foo" file="somefile.html"/> + ## inherit from foobar.html +<%inherit file="foobar.html"/> + +<%def name="header()"> + <div>header</div> +</%def> +<%def name="footer()"> + <div> footer</div> +</%def> + +<table> + % for j in data(): + <tr> + % for x in j: + <td>Hello ${x| h}</td> + % endfor + </tr> + % endfor +</table> +""" + nodes = Lexer(template).parse() + expected = r"""TemplateNode({}, [NamespaceTag(u'namespace', {u'file': u'somefile.html', u'name': u'foo'}, (1, 1), []), Text(u'\n', (1, 46)), Comment(u'inherit from foobar.html', (2, 1)), InheritTag(u'inherit', {u'file': u'foobar.html'}, (3, 1), []), Text(u'\n\n', (3, 31)), DefTag(u'def', {u'name': u'header()'}, (5, 1), ["Text(u'\\n <div>header</div>\\n', (5, 23))"]), Text(u'\n', (7, 8)), DefTag(u'def', {u'name': u'footer()'}, (8, 1), ["Text(u'\\n <div> footer</div>\\n', (8, 23))"]), Text(u'\n\n<table>\n', (10, 8)), ControlLine(u'for', u'for j in data():', False, (13, 1)), Text(u' <tr>\n', (14, 1)), ControlLine(u'for', u'for x in j:', False, (15, 1)), Text(u' <td>Hello ', (16, 1)), Expression(u'x', ['h'], (16, 23)), Text(u'</td>\n', (16, 30)), ControlLine(u'for', u'endfor', True, (17, 1)), Text(u' </tr>\n', (18, 1)), ControlLine(u'for', u'endfor', True, (19, 1)), Text(u'</table>\n', (20, 1))])""" + assert repr(nodes) == expected + + def test_comment_after_statement(self): + template = """ + % if x: #comment + hi + % else: #next + hi + % endif #end +""" + nodes = Lexer(template).parse() + assert repr(nodes) == r"""TemplateNode({}, [Text(u'\n', (1, 1)), ControlLine(u'if', u'if x: #comment', False, (2, 1)), Text(u' hi\n', (3, 1)), ControlLine(u'else', u'else: #next', False, (4, 1)), Text(u' hi\n', (5, 1)), ControlLine(u'if', u'endif #end', True, (6, 1))])""" + + def test_crlf(self): + template = file("./test_htdocs/crlf.html").read() + nodes = Lexer(template).parse() + assert repr(nodes) == r"""TemplateNode({}, [Text(u'<html>\r\n\r\n', (1, 1)), PageTag(u'page', {u'args': u"a=['foo',\n 'bar']"}, (3, 1), []), Text(u'\r\n\r\nlike the name says.\r\n\r\n', (4, 26)), ControlLine(u'for', u'for x in [1,2,3]:', False, (8, 1)), Text(u' ', (9, 1)), Expression(u'x', [], (9, 9)), Text(u'', (9, 13)), ControlLine(u'for', u'endfor', True, (10, 1)), Text(u'\r\n', (11, 1)), Expression(u"trumpeter == 'Miles' and trumpeter or \\\n 'Dizzy'", [], (12, 1)), Text(u'\r\n\r\n', (13, 15)), DefTag(u'def', {u'name': u'hi()'}, (15, 1), ["Text(u'\\r\\n hi!\\r\\n', (15, 19))"]), Text(u'\r\n\r\n</html>\r\n', (17, 8))])""" + assert flatten_result(Template(template).render()) == """<html> like the name says. 1 2 3 Dizzy </html>""" + + def test_comments(self): + template = """ +<style> + #someselector + # other non comment stuff +</style> +## a comment + +# also not a comment + + ## this is a comment + +this is ## not a comment + +<%doc> multiline +comment +</%doc> + +hi +""" + nodes = Lexer(template).parse() + assert repr(nodes) == r"""TemplateNode({}, [Text(u'\n<style>\n #someselector\n # other non comment stuff\n</style>\n', (1, 1)), Comment(u'a comment', (6, 1)), Text(u'\n# also not a comment\n\n', (7, 1)), Comment(u'this is a comment', (10, 1)), Text(u' \nthis is ## not a comment\n\n', (11, 1)), Comment(u' multiline\ncomment\n', (14, 1)), Text(u'\n\nhi\n', (16, 8))])""" + + def test_docs(self): + template = """ + <%doc> + this is a comment + </%doc> + <%def name="foo()"> + <%doc> + this is the foo func + </%doc> + </%def> + """ + nodes = Lexer(template).parse() + assert repr(nodes) == r"""TemplateNode({}, [Text(u'\n ', (1, 1)), Comment(u'\n this is a comment\n ', (2, 9)), Text(u'\n ', (4, 16)), DefTag(u'def', {u'name': u'foo()'}, (5, 9), ["Text(u'\\n ', (5, 28))", "Comment(u'\\n this is the foo func\\n ', (6, 13))", "Text(u'\\n ', (8, 20))"]), Text(u'\n ', (9, 16))])""" + + def test_preprocess(self): + def preproc(text): + return re.sub(r'(?<=\n)\s*#[^#]', "##", text) + template = """ + hi + # old style comment +# another comment +""" + nodes = Lexer(template, preprocessor=preproc).parse() + assert repr(nodes) == r"""TemplateNode({}, [Text(u'\n hi\n', (1, 1)), Comment(u'old style comment', (3, 1)), Comment(u'another comment', (4, 1))])""" + |