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1 #!/usr/bin/env python
2 
3 import sys, os, re
4 
5 classes_ignore_list = (
6     'OpenCV(Test)?Case',
7     'OpenCV(Test)?Runner',
8     'CvException',
9 )
10 
11 funcs_ignore_list = (
12     '\w+--HashCode',
13     'Mat--MatLong',
14     '\w+--Equals',
15     'Core--MinMaxLocResult',
16 )
17 
18 class JavaParser:
19     def __init__(self):
20         self.clear()
21 
22     def clear(self):
23         self.mdict = {}
24         self.tdict = {}
25         self.mwhere = {}
26         self.twhere = {}
27         self.empty_stubs_cnt = 0
28         self.r1 = re.compile("\s*public\s+(?:static\s+)?(\w+)\(([^)]*)\)") # c-tor
29         self.r2 = re.compile("\s*(?:(?:public|static|final)\s+){1,3}\S+\s+(\w+)\(([^)]*)\)")
30         self.r3 = re.compile('\s*fail\("Not yet implemented"\);') # empty test stub
31 
32 
33     def dict2set(self, d):
34         s = set()
35         for f in d.keys():
36             if len(d[f]) == 1:
37                 s.add(f)
38             else:
39                 s |= set(d[f])
40         return s
41 
42 
43     def get_tests_count(self):
44         return len(self.tdict)
45 
46     def get_empty_stubs_count(self):
47         return self.empty_stubs_cnt
48 
49     def get_funcs_count(self):
50         return len(self.dict2set(self.mdict)), len(self.mdict)
51 
52     def get_not_tested(self):
53         mset = self.dict2set(self.mdict)
54         tset = self.dict2set(self.tdict)
55         nottested = mset - tset
56         out = set()
57 
58         for name in nottested:
59             out.add(name + "   " + self.mwhere[name])
60 
61         return out
62 
63 
64     def parse(self, path):
65         if ".svn" in path:
66             return
67         if os.path.isfile(path):
68             if path.endswith("FeatureDetector.java"):
69                 for prefix1 in ("", "Grid", "Pyramid", "Dynamic"):
70                     for prefix2 in ("FAST", "STAR", "MSER", "ORB", "SIFT", "SURF", "GFTT", "HARRIS", "SIMPLEBLOB", "DENSE"):
71                         parser.parse_file(path,prefix1+prefix2)
72             elif path.endswith("DescriptorExtractor.java"):
73                 for prefix1 in ("", "Opponent"):
74                     for prefix2 in ("BRIEF", "ORB", "SIFT", "SURF"):
75                         parser.parse_file(path,prefix1+prefix2)
76             elif path.endswith("GenericDescriptorMatcher.java"):
77                 for prefix in ("OneWay", "Fern"):
78                     parser.parse_file(path,prefix)
79             elif path.endswith("DescriptorMatcher.java"):
80                 for prefix in ("BruteForce", "BruteForceHamming", "BruteForceHammingLUT", "BruteForceL1", "FlannBased", "BruteForceSL2"):
81                     parser.parse_file(path,prefix)
82             else:
83                 parser.parse_file(path)
84         elif os.path.isdir(path):
85             for x in os.listdir(path):
86                 self.parse(path + "/" + x)
87         return
88 
89 
90     def parse_file(self, fname, prefix = ""):
91         istest = fname.endswith("Test.java")
92         clsname = os.path.basename(fname).replace("Test", "").replace(".java", "")
93         clsname = prefix + clsname[0].upper() + clsname[1:]
94         for cls in classes_ignore_list:
95             if re.match(cls, clsname):
96                 return
97         f = open(fname, "rt")
98         linenum = 0
99         for line in f:
100             linenum += 1
101             m1 = self.r1.match(line)
102             m2 = self.r2.match(line)
103             m3 = self.r3.match(line)
104             func = ''
105             args_str = ''
106             if m1:
107                 func = m1.group(1)
108                 args_str = m1.group(2)
109             elif m2:
110                 if "public" not in line:
111                     continue
112                 func = m2.group(1)
113                 args_str = m2.group(2)
114             elif m3:
115                 self.empty_stubs_cnt += 1
116                 continue
117             else:
118                 #if "public" in line:
119                     #print "UNRECOGNIZED: " + line
120                 continue
121             d = (self.mdict, self.tdict)[istest]
122             w = (self.mwhere, self.twhere)[istest]
123             func = re.sub(r"^test", "", func)
124             func = clsname + "--" + func[0].upper() + func[1:]
125             args_str = args_str.replace("[]", "Array").replace("...", "Array ")
126             args_str = re.sub(r"List<(\w+)>", "ListOf\g<1>", args_str)
127             args_str = re.sub(r"List<(\w+)>", "ListOf\g<1>", args_str)
128             args = [a.split()[0] for a in args_str.split(",") if a]
129             func_ex = func + "".join([a[0].upper() + a[1:] for a in args])
130             func_loc = fname + " (line: " + str(linenum)  + ")"
131             skip = False
132             for fi in funcs_ignore_list:
133                 if re.match(fi, func_ex):
134                     skip = True
135                     break
136             if skip:
137                 continue
138             if func in d:
139                 d[func].append(func_ex)
140             else:
141                 d[func] = [func_ex]
142             w[func_ex] = func_loc
143             w[func] = func_loc
144 
145         f.close()
146         return
147 
148 
149 if __name__ == '__main__':
150     if len(sys.argv) < 2:
151         print "Usage:\n", \
152             os.path.basename(sys.argv[0]), \
153             "<Classes/Tests dir1/file1> [<Classes/Tests dir2/file2> ...]\n", "Not tested methods are loggedto stdout."
154         exit(0)
155     parser = JavaParser()
156     for x in sys.argv[1:]:
157         parser.parse(x)
158     funcs = parser.get_not_tested()
159     if funcs:
160         print "NOT TESTED methods:\n\t", "\n\t".join(sorted(funcs))
161     print "Total methods found: %i (%i)" % parser.get_funcs_count()
162     print "Not tested methods found:", len(funcs)
163     print "Total tests found:", parser.get_tests_count()
164     print "Empty test stubs found:", parser.get_empty_stubs_count()
165