128 lines
3.5 KiB
Python
128 lines
3.5 KiB
Python
# -*- coding: utf-8 -*-
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from __future__ import with_statement
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import io, os, sys, unittest
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if sys.platform == "win32":
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import XiteWin as Xite
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else:
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import XiteQt as Xite
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keywordsHTML = [
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b"b body content head href html link meta "
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b"name rel script strong title type xmlns",
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b"function",
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b"sub"
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]
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class TestLexers(unittest.TestCase):
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def setUp(self):
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self.xite = Xite.xiteFrame
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self.ed = self.xite.ed
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self.ed.ClearAll()
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self.ed.EmptyUndoBuffer()
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def AsStyled(self):
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text = self.ed.Contents()
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data = io.BytesIO()
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prevStyle = -1
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for o in range(self.ed.Length):
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styleNow = self.ed.GetStyleAt(o)
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if styleNow != prevStyle:
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styleBuf = "{%0d}" % styleNow
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data.write(styleBuf.encode('utf-8'))
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prevStyle = styleNow
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data.write(text[o:o+1])
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return data.getvalue()
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def LexExample(self, name, lexerName, keywords=None):
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if keywords is None:
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keywords = []
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self.ed.SetCodePage(65001)
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self.ed.LexerLanguage = lexerName
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bits = self.ed.StyleBitsNeeded
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mask = 2 << bits - 1
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self.ed.StyleBits = bits
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for i in range(len(keywords)):
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self.ed.SetKeyWords(i, keywords[i])
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nameExample = os.path.join("examples", name)
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namePrevious = nameExample +".styled"
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nameNew = nameExample +".new"
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with open(nameExample, "rb") as f:
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prog = f.read()
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BOM = b"\xEF\xBB\xBF"
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if prog.startswith(BOM):
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prog = prog[len(BOM):]
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lenDocument = len(prog)
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self.ed.AddText(lenDocument, prog)
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self.ed.Colourise(0, lenDocument)
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self.assertEquals(self.ed.EndStyled, lenDocument)
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try:
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with open(namePrevious, "rb") as f:
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prevStyled = f.read()
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except FileNotFoundError:
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prevStyled = ""
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progStyled = self.AsStyled()
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if progStyled != prevStyled:
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with open(nameNew, "wb") as f:
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f.write(progStyled)
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print(progStyled)
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print(prevStyled)
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self.assertEquals(progStyled, prevStyled)
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# The whole file doesn't parse like it did before so don't try line by line
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# as that is likely to fail many times.
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return
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# Try partial lexes from the start of every line which should all be identical.
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for line in range(self.ed.LineCount):
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lineStart = self.ed.PositionFromLine(line)
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self.ed.StartStyling(lineStart, mask)
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self.assertEquals(self.ed.EndStyled, lineStart)
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self.ed.Colourise(lineStart, lenDocument)
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progStyled = self.AsStyled()
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if progStyled != prevStyled:
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with open(nameNew, "wb") as f:
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f.write(progStyled)
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self.assertEquals(progStyled, prevStyled)
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# Give up after one failure
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return
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def testCXX(self):
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self.LexExample("x.cxx", b"cpp", [b"int"])
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def testPython(self):
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self.LexExample("x.py", b"python",
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[b"class def else for if import in print return while"])
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def testHTML(self):
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self.LexExample("x.html", b"hypertext", keywordsHTML)
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def testASP(self):
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self.LexExample("x.asp", b"hypertext", keywordsHTML)
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def testPHP(self):
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self.LexExample("x.php", b"hypertext", keywordsHTML)
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def testVB(self):
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self.LexExample("x.vb", b"vb", [b"as dim or string"])
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def testLua(self):
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self.LexExample("x.lua", b"lua", [b"function end"])
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def testRuby(self):
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self.LexExample("x.rb", b"ruby", [b"class def end"])
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def testPerl(self):
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self.LexExample("x.pl", b"perl", [b"printf sleep use while"])
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def testD(self):
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self.LexExample("x.d", b"d",
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[b"keyword1", b"keyword2", b"", b"keyword4", b"keyword5",
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b"keyword6", b"keyword7"])
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if __name__ == '__main__':
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Xite.main("lexTests")
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