src/engine/SCons/Scanner/CTests.py

   1 __revision__ = "Scanner/CTests.py __REVISION__ __DATE__ __DEVELOPER__"
   2
   3 import TestCmd
   4 import SCons.Scanner.C
   5 import unittest
   6 import sys
   7
   8 test = TestCmd.TestCmd(workdir = '')
   9
  10 # create some source files and headers:
  11
  12 test.write('f1.cpp',"""
  13 #include \"f1.h\"
  14 #include <f2.h>
  15
  16 int main()
  17 {
  18    return 0;
  19 }
  20 """)
  21
  22 test.write('f2.cpp',"""
  23 #include \"d1/f1.h\"
  24 #include <d2/f1.h>
  25 #include \"f1.h\"
  26 #include <f4.h>
  27
  28 int main()
  29 {
  30    return 0;
  31 }
  32 """)
  33
  34 test.write('f3.cpp',"""
  35 #include \t "f1.h"
  36    \t #include "f2.h"
  37 #   \t include "f3.h"
  38
  39 #include \t <d1/f1.h>
  40    \t #include <d1/f2.h>
  41 #   \t include <d1/f3.h>
  42
  43 // #include "never.h"
  44
  45 const char* x = "#include <never.h>"
  46
  47 int main()
  48 {
  49    return 0;
  50 }
  51 """)
  52
  53
  54 # for Emacs -> "
  55
  56 test.subdir('d1', ['d1', 'd2'])
  57
  58 headers = ['f1.h','f2.h', 'f3.h', 'never.h',
  59            'd1/f1.h', 'd1/f2.h', 'd1/f3.h',
  60            'd1/d2/f1.h', 'd1/d2/f2.h', 'd1/d2/f3.h', 'd1/d2/f4.h']
  61
  62 for h in headers:
  63     test.write(h, " ")
  64
  65 # define some helpers:
  66
  67 class DummyEnvironment:
  68     pass
  69
  70 def deps_match(deps, headers):
  71     return deps.sort() == map(test.workpath, headers).sort()
  72
  73 # define some tests:
  74
  75 class CScannerTestCase1(unittest.TestCase):
  76     def runTest(self):
  77         env = DummyEnvironment
  78         s = SCons.Scanner.C.CScan()
  79         deps = s.scan(test.workpath('f1.cpp'), env)
  80         self.failUnless(deps_match(deps, ['f1.h', 'f2.h']))
  81
  82 class CScannerTestCase2(unittest.TestCase):
  83     def runTest(self):
  84         env = DummyEnvironment
  85         env.CPPPATH = [test.workpath("d1")]
  86         s = SCons.Scanner.C.CScan()
  87         deps = s.scan(test.workpath('f1.cpp'), env)
  88         headers = ['f1.h', 'd1/f2.h']
  89         self.failUnless(deps_match(deps, headers))
  90
  91 class CScannerTestCase3(unittest.TestCase):
  92     def runTest(self):
  93         env = DummyEnvironment
  94         env.CPPPATH = [test.workpath("d1")]
  95         s = SCons.Scanner.C.CScan()
  96         deps = s.scan(test.workpath('f2.cpp'), env)
  97         headers = ['f1.h', 'd1/f2.h', 'd1/d2/f1.h']
  98         self.failUnless(deps_match(deps, headers))
  99
 100
 101 class CScannerTestCase4(unittest.TestCase):
 102     def runTest(self):
 103         env = DummyEnvironment
 104         env.CPPPATH = [test.workpath("d1"), test.workpath("d1/d2")]
 105         s = SCons.Scanner.C.CScan()
 106         deps = s.scan(test.workpath('f2.cpp'), env)
 107         headers =  ['f1.h', 'd1/f2.h', 'd1/d2/f1.h', 'd1/d2/f4.h']
 108         self.failUnless(deps_match(deps, headers))
 109
 110 class CScannerTestCase5(unittest.TestCase):
 111     def runTest(self):
 112         env = DummyEnvironment
 113         s = SCons.Scanner.C.CScan()
 114         deps = s.scan(test.workpath('f3.cpp'), env)
 115         headers =  ['f1.h', 'f2.h', 'f3.h', 'd1/f1.h', 'd1/f2.h', 'd1/f3.h']
 116         self.failUnless(deps_match(deps, headers))
 117
 118 def suite():
 119     suite = unittest.TestSuite()
 120     suite.addTest(CScannerTestCase1())
 121     suite.addTest(CScannerTestCase2())
 122     suite.addTest(CScannerTestCase3())
 123     suite.addTest(CScannerTestCase4())
 124     suite.addTest(CScannerTestCase5())
 125     return suite
 126
 127 if __name__ == "__main__":
 128     runner = unittest.TextTestRunner()
 129     result = runner.run(suite())
 130     if not result.wasSuccessful():
 131         sys.exit(1)