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31690700 JM |
1 | #!/usr/bin/env python |
2 | ||
3 | import os, sys, re | |
7907cd90 | 4 | import argparse, time |
31690700 | 5 | |
612bfe4a | 6 | import pty, signal, atexit |
7907cd90 JM |
7 | from subprocess import Popen, STDOUT, PIPE |
8 | from select import select | |
31690700 | 9 | |
8e4628da | 10 | IS_PY_3 = sys.version_info[0] == 3 |
11 | ||
31690700 JM |
12 | # TODO: do we need to support '\n' too |
13 | sep = "\r\n" | |
7907cd90 | 14 | #sep = "\n" |
31690700 JM |
15 | rundir = None |
16 | ||
17 | parser = argparse.ArgumentParser( | |
18 | description="Run a test file against a Mal implementation") | |
19 | parser.add_argument('--rundir', | |
20 | help="change to the directory before running tests") | |
21 | parser.add_argument('--start-timeout', default=10, type=int, | |
22 | help="default timeout for initial prompt") | |
23 | parser.add_argument('--test-timeout', default=20, type=int, | |
24 | help="default timeout for each individual test action") | |
cc021efe JM |
25 | parser.add_argument('--pre-eval', default=None, type=str, |
26 | help="Mal code to evaluate prior to running the test") | |
9a383535 JM |
27 | parser.add_argument('--mono', action='store_true', |
28 | help="Use workarounds Mono/.Net Console misbehaviors") | |
31690700 JM |
29 | |
30 | parser.add_argument('test_file', type=argparse.FileType('r'), | |
31 | help="a test file formatted as with mal test data") | |
32 | parser.add_argument('mal_cmd', nargs="*", | |
33 | help="Mal implementation command line. Use '--' to " | |
34 | "specify a Mal command line with dashed options.") | |
35 | ||
7907cd90 | 36 | class Runner(): |
9a383535 | 37 | def __init__(self, args, mono=False): |
612bfe4a | 38 | #print "args: %s" % repr(args) |
9a383535 | 39 | self.mono = mono |
612bfe4a JM |
40 | |
41 | # Cleanup child process on exit | |
42 | atexit.register(self.cleanup) | |
43 | ||
9a383535 | 44 | if mono: |
612bfe4a JM |
45 | self.p = Popen(args, bufsize=0, |
46 | stdin=PIPE, stdout=PIPE, stderr=STDOUT, | |
47 | preexec_fn=os.setsid) | |
7907cd90 JM |
48 | self.stdin = self.p.stdin |
49 | self.stdout = self.p.stdout | |
50 | else: | |
51 | # provide tty to get 'interactive' readline to work | |
52 | master, slave = pty.openpty() | |
612bfe4a JM |
53 | self.p = Popen(args, bufsize=0, |
54 | stdin=slave, stdout=slave, stderr=STDOUT, | |
55 | preexec_fn=os.setsid) | |
7907cd90 JM |
56 | self.stdin = os.fdopen(master, 'r+b', 0) |
57 | self.stdout = self.stdin | |
58 | ||
59 | #print "started" | |
60 | self.buf = "" | |
61 | self.last_prompt = "" | |
62 | ||
63 | def read_to_prompt(self, prompts, timeout): | |
64 | end_time = time.time() + timeout | |
65 | while time.time() < end_time: | |
96deb6a9 JM |
66 | [outs,_,_] = select([self.stdout], [], [], 1) |
67 | if self.stdout in outs: | |
68 | new_data = self.stdout.read(1) | |
7907cd90 | 69 | #print "new_data: '%s'" % new_data |
8e4628da | 70 | new_data = new_data.decode("utf-8") if IS_PY_3 else new_data |
9a383535 JM |
71 | if self.mono: |
72 | self.buf += new_data.replace("\n", "\r\n") | |
73 | else: | |
74 | self.buf += new_data | |
7907cd90 JM |
75 | for prompt in prompts: |
76 | regexp = re.compile(prompt) | |
77 | match = regexp.search(self.buf) | |
78 | if match: | |
79 | end = match.end() | |
80 | buf = self.buf[0:end-len(prompt)] | |
81 | self.buf = self.buf[end:] | |
82 | self.last_prompt = prompt | |
83 | return buf | |
84 | return None | |
85 | ||
96deb6a9 | 86 | def writeline(self, str): |
8e4628da | 87 | def _to_bytes(s): |
88 | return bytes(s, "utf-8") if IS_PY_3 else s | |
89 | ||
90 | self.stdin.write(_to_bytes(str + "\n")) | |
9a383535 | 91 | if self.mono: |
96deb6a9 | 92 | # Simulate echo |
8e4628da | 93 | self.buf += _to_bytes(str + "\r\n") |
7907cd90 | 94 | |
f6c83b2b | 95 | def cleanup(self): |
612bfe4a | 96 | #print "cleaning up" |
f6c83b2b | 97 | if self.p: |
612bfe4a | 98 | os.killpg(self.p.pid, signal.SIGTERM) |
f6c83b2b JM |
99 | self.p = None |
100 | ||
101 | ||
31690700 JM |
102 | args = parser.parse_args(sys.argv[1:]) |
103 | test_data = args.test_file.read().split('\n') | |
104 | ||
105 | if args.rundir: os.chdir(args.rundir) | |
106 | ||
9a383535 | 107 | r = Runner(args.mal_cmd, mono=args.mono) |
53beaa0a | 108 | |
31690700 JM |
109 | |
110 | test_idx = 0 | |
111 | def read_test(data): | |
112 | global test_idx | |
113 | form, output, ret = None, "", None | |
114 | while data: | |
115 | test_idx += 1 | |
116 | line = data.pop(0) | |
117 | if re.match(r"^\s*$", line): # blank line | |
118 | continue | |
119 | elif line[0:3] == ";;;": # ignore comment | |
120 | continue | |
121 | elif line[0:2] == ";;": # output comment | |
8e4628da | 122 | print(line[3:]) |
31690700 JM |
123 | continue |
124 | elif line[0:2] == ";": # unexpected comment | |
8e4628da | 125 | print("Test data error at line %d:\n%s" % (test_idx, line)) |
31690700 JM |
126 | return None, None, None, test_idx |
127 | form = line # the line is a form to send | |
128 | ||
129 | # Now find the output and return value | |
130 | while data: | |
131 | line = data[0] | |
132 | if line[0:3] == ";=>": | |
133 | ret = line[3:].replace('\\r', '\r').replace('\\n', '\n') | |
134 | test_idx += 1 | |
135 | data.pop(0) | |
136 | break | |
137 | elif line[0:2] == "; ": | |
138 | output = output + line[2:] + sep | |
139 | test_idx += 1 | |
140 | data.pop(0) | |
141 | else: | |
142 | ret = "*" | |
143 | break | |
144 | if ret: break | |
145 | ||
146 | return form, output, ret, test_idx | |
147 | ||
cc021efe JM |
148 | def assert_prompt(timeout): |
149 | # Wait for the initial prompt | |
7907cd90 JM |
150 | header = r.read_to_prompt(['user> ', 'mal-user> '], timeout=timeout) |
151 | if not header == None: | |
152 | if header: | |
8e4628da | 153 | print("Started with:\n%s" % header) |
7907cd90 | 154 | else: |
8e4628da | 155 | print("Did not get 'user> ' or 'mal-user> ' prompt") |
156 | print(" Got : %s" % repr(r.buf)) | |
cc021efe JM |
157 | sys.exit(1) |
158 | ||
31690700 JM |
159 | |
160 | # Wait for the initial prompt | |
cc021efe JM |
161 | assert_prompt(args.start_timeout) |
162 | ||
163 | # Send the pre-eval code if any | |
164 | if args.pre_eval: | |
165 | sys.stdout.write("RUNNING pre-eval: %s" % args.pre_eval) | |
7907cd90 | 166 | p.write(args.pre_eval) |
cc021efe | 167 | assert_prompt(args.test_timeout) |
31690700 JM |
168 | |
169 | fail_cnt = 0 | |
170 | ||
171 | while test_data: | |
172 | form, out, ret, line_num = read_test(test_data) | |
173 | if form == None: | |
174 | break | |
175 | sys.stdout.write("TEST: %s -> [%s,%s]" % (form, repr(out), repr(ret))) | |
176 | sys.stdout.flush() | |
177 | expected = "%s%s%s%s" % (form, sep, out, ret) | |
178 | ||
96deb6a9 | 179 | r.writeline(form) |
31690700 | 180 | try: |
7907cd90 JM |
181 | res = r.read_to_prompt(['\r\nuser> ', '\nuser> ', |
182 | '\r\nmal-user> ', '\nmal-user> '], | |
183 | timeout=args.test_timeout) | |
31690700 | 184 | #print "%s,%s,%s" % (idx, repr(p.before), repr(p.after)) |
7907cd90 | 185 | if ret == "*" or res == expected: |
8e4628da | 186 | print(" -> SUCCESS") |
31690700 | 187 | else: |
8e4628da | 188 | print(" -> FAIL (line %d):" % line_num) |
189 | print(" Expected : %s" % repr(expected)) | |
190 | print(" Got : %s" % repr(res)) | |
31690700 | 191 | fail_cnt += 1 |
7907cd90 | 192 | except: |
8e4628da | 193 | print("Got Exception") |
31690700 JM |
194 | sys.exit(1) |
195 | ||
196 | if fail_cnt > 0: | |
8e4628da | 197 | print("FAILURES: %d" % fail_cnt) |
31690700 JM |
198 | sys.exit(2) |
199 | sys.exit(0) |