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1import subprocess
2import sys
3import re
4
5try:
6    # Make terminal colors work on windows
7    import colorama
8    colorama.init()
9except ImportError:
10    pass
11
12def add_nanopb_builders(env):
13    '''Add the necessary builder commands for nanopb tests.'''
14
15    # Build command that runs a test program and saves the output
16    def run_test(target, source, env):
17        if len(source) > 1:
18            infile = open(str(source[1]))
19        else:
20            infile = None
21
22        if env.has_key("COMMAND"):
23            args = [env["COMMAND"]]
24        else:
25            args = [str(source[0])]
26
27        if env.has_key('ARGS'):
28            args.extend(env['ARGS'])
29
30        print 'Command line: ' + str(args)
31        pipe = subprocess.Popen(args,
32                                stdin = infile,
33                                stdout = open(str(target[0]), 'w'),
34                                stderr = sys.stderr)
35        result = pipe.wait()
36        if result == 0:
37            print '\033[32m[ OK ]\033[0m   Ran ' + args[0]
38        else:
39            print '\033[31m[FAIL]\033[0m   Program ' + args[0] + ' returned ' + str(result)
40        return result
41
42    run_test_builder = Builder(action = run_test,
43                               suffix = '.output')
44    env.Append(BUILDERS = {'RunTest': run_test_builder})
45
46    # Build command that decodes a message using protoc
47    def decode_actions(source, target, env, for_signature):
48        esc = env['ESCAPE']
49        dirs = ' '.join(['-I' + esc(env.GetBuildPath(d)) for d in env['PROTOCPATH']])
50        return '$PROTOC $PROTOCFLAGS %s --decode=%s %s <%s >%s' % (
51            dirs, env['MESSAGE'], esc(str(source[1])), esc(str(source[0])), esc(str(target[0])))
52
53    decode_builder = Builder(generator = decode_actions,
54                             suffix = '.decoded')
55    env.Append(BUILDERS = {'Decode': decode_builder})
56
57    # Build command that encodes a message using protoc
58    def encode_actions(source, target, env, for_signature):
59        esc = env['ESCAPE']
60        dirs = ' '.join(['-I' + esc(env.GetBuildPath(d)) for d in env['PROTOCPATH']])
61        return '$PROTOC $PROTOCFLAGS %s --encode=%s %s <%s >%s' % (
62            dirs, env['MESSAGE'], esc(str(source[1])), esc(str(source[0])), esc(str(target[0])))
63
64    encode_builder = Builder(generator = encode_actions,
65                             suffix = '.encoded')
66    env.Append(BUILDERS = {'Encode': encode_builder})
67
68    # Build command that asserts that two files be equal
69    def compare_files(target, source, env):
70        data1 = open(str(source[0]), 'rb').read()
71        data2 = open(str(source[1]), 'rb').read()
72        if data1 == data2:
73            print '\033[32m[ OK ]\033[0m   Files equal: ' + str(source[0]) + ' and ' + str(source[1])
74            return 0
75        else:
76            print '\033[31m[FAIL]\033[0m   Files differ: ' + str(source[0]) + ' and ' + str(source[1])
77            return 1
78
79    compare_builder = Builder(action = compare_files,
80                              suffix = '.equal')
81    env.Append(BUILDERS = {'Compare': compare_builder})
82
83    # Build command that checks that each pattern in source2 is found in source1.
84    def match_files(target, source, env):
85        data = open(str(source[0]), 'rU').read()
86        patterns = open(str(source[1]))
87        for pattern in patterns:
88            if pattern.strip() and not re.search(pattern.strip(), data, re.MULTILINE):
89                print '\033[31m[FAIL]\033[0m   Pattern not found in ' + str(source[0]) + ': ' + pattern
90                return 1
91        else:
92            print '\033[32m[ OK ]\033[0m   All patterns found in ' + str(source[0])
93            return 0
94
95    match_builder = Builder(action = match_files, suffix = '.matched')
96    env.Append(BUILDERS = {'Match': match_builder})
97
98
99