prosody
6b5e92949051
tools/test_mutants.sh.lua

Find changesets by keywords by author, files, the commit message, revision number or hash, or revset expression.

Software / code / prosody

Annotate

tools/test_mutants.sh.lua @ 13118:6b5e92949051

net.http.server: Return request ID in header to aid debugging Eases locating the request in logs
author Kim Alvefur <zash@zash.se>
date Mon, 29 May 2023 01:42:31 +0200
parent 12765:132a3c7b25fa
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
12765
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
1 #!/bin/bash
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
2
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
3 POLYGLOT=1--[===[
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
4
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
5 set -o pipefail
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
6
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
7 if [[ "$#" == "0" ]]; then
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
8 echo "Lua mutation testing tool"
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
9 echo
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
10 echo "Usage:"
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
11 echo " $BASH_SOURCE MODULE_NAME SPEC_FILE"
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
12 echo
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
13 echo "Requires 'lua', 'ltokenp' and 'busted' in PATH"
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
14 exit 1;
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
15 fi
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
16
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
17 MOD_NAME="$1"
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
18 MOD_FILE="$(lua "$BASH_SOURCE" resolve "$MOD_NAME")"
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
19
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
20 if [[ "$MOD_FILE" == "" || ! -f "$MOD_FILE" ]]; then
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
21 echo "EE: Failed to locate module '$MOD_NAME' ($MOD_FILE)";
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
22 exit 1;
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
23 fi
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
24
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
25 SPEC_FILE="$2"
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
26
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
27 if [[ "$SPEC_FILE" == "" ]]; then
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
28 SPEC_FILE="spec/${MOD_NAME/./_}_spec.lua"
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
29 fi
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
30
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
31 if [[ "$SPEC_FILE" == "" || ! -f "$SPEC_FILE" ]]; then
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
32 echo "EE: Failed to find test spec file ($SPEC_FILE)"
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
33 exit 1;
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
34 fi
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
35
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
36 if ! busted "$SPEC_FILE"; then
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
37 echo "EE: Tests fail on original source. Fix it"\!;
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
38 exit 1;
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
39 fi
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
40
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
41 export MUTANT_N=0
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
42 LIVING_MUTANTS=0
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
43
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
44 FILE_PREFIX="${MOD_FILE%.*}.mutant-"
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
45 FILE_SUFFIX=".${MOD_FILE##*.}"
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
46
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
47 gen_mutant () {
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
48 echo "Generating mutant $2 to $3..."
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
49 ltokenp -s "$BASH_SOURCE" "$1" > "$3"
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
50 return "$?"
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
51 }
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
52
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
53 # $1 = MOD_NAME, $2 = MUTANT_N, $3 = SPEC_FILE
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
54 test_mutant () {
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
55 (
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
56 ulimit -m 131072 # 128MB
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
57 ulimit -t 16 # 16s
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
58 ulimit -f 32768 # 128MB (?)
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
59 exec busted --helper="$BASH_SOURCE" -Xhelper mutate="$1":"$2" "$3"
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
60 ) >/dev/null
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
61 return "$?";
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
62 }
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
63
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
64 MUTANT_FILE="${FILE_PREFIX}${MUTANT_N}${FILE_SUFFIX}"
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
65
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
66 gen_mutant "$MOD_FILE" "$MUTANT_N" "$MUTANT_FILE"
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
67 while [[ "$?" == "0" ]]; do
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
68 if ! test_mutant "$MOD_NAME" "$MUTANT_N" "$SPEC_FILE"; then
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
69 echo "Tests successfully killed mutant $MUTANT_N";
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
70 rm "$MUTANT_FILE";
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
71 else
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
72 echo "Mutant $MUTANT_N lives on"\!
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
73 LIVING_MUTANTS=$((LIVING_MUTANTS+1))
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
74 fi
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
75 MUTANT_N=$((MUTANT_N+1))
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
76 MUTANT_FILE="${FILE_PREFIX}${MUTANT_N}${FILE_SUFFIX}"
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
77 gen_mutant "$MOD_FILE" "$MUTANT_N" "$MUTANT_FILE"
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
78 done
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
79
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
80 if [[ "$?" != "2" ]]; then
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
81 echo "Failed: $?"
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
82 exit "$?";
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
83 fi
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
84
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
85 MUTANT_SCORE="$(lua -e "print(('%0.2f'):format((1-($LIVING_MUTANTS/$MUTANT_N))*100))")"
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
86 if test -f mutant-scores.txt; then
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
87 echo "$MOD_NAME $MUTANT_SCORE" >> mutant-scores.txt
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
88 fi
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
89 echo "$MOD_NAME: All $MUTANT_N mutants generated, $LIVING_MUTANTS survived (score: $MUTANT_SCORE%)"
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
90 rm "$MUTANT_FILE"; # Last file is always unmodified
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
91 exit 0;
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
92 ]===]
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
93
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
94 -- busted helper that runs mutations
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
95 if arg then
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
96 if arg[1] == "resolve" then
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
97 local filename = package.searchpath(assert(arg[2], "no module name given"), package.path);
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
98 if filename then
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
99 print(filename);
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
100 end
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
101 os.exit(filename and 0 or 1);
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
102 end
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
103 local mutants = {};
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
104
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
105 for i = 1, #arg do
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
106 local opt = arg[i];
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
107 print("LOAD", i, opt)
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
108 local module_name, mutant_n = opt:match("^mutate=([^:]+):(%d+)");
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
109 if module_name then
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
110 mutants[module_name] = tonumber(mutant_n);
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
111 end
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
112 end
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
113
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
114 local orig_lua_searcher = package.searchers[2];
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
115
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
116 local function mutant_searcher(module_name)
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
117 local mutant_n = mutants[module_name];
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
118 if not mutant_n then
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
119 return orig_lua_searcher(module_name);
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
120 end
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
121 local base_file, err = package.searchpath(module_name, package.path);
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
122 if not base_file then
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
123 return base_file, err;
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
124 end
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
125 local mutant_file = base_file:gsub("%.lua$", (".mutant-%d.lua"):format(mutant_n));
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
126 return loadfile(mutant_file), mutant_file;
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
127 end
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
128
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
129 if next(mutants) then
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
130 table.insert(package.searchers, 1, mutant_searcher);
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
131 end
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
132 end
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
133
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
134 -- filter for ltokenp to mutate scripts
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
135 do
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
136 local last_output = {};
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
137 local function emit(...)
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
138 last_output = {...};
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
139 io.write(...)
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
140 io.write(" ")
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
141 return true;
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
142 end
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
143
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
144 local did_mutate = false;
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
145 local count = -1;
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
146 local threshold = tonumber(os.getenv("MUTANT_N")) or 0;
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
147 local function should_mutate()
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
148 count = count + 1;
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
149 return count == threshold;
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
150 end
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
151
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
152 local function mutate(name, value)
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
153 if name == "if" then
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
154 -- Bypass conditionals
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
155 if should_mutate() then
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
156 return emit("if true or");
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
157 elseif should_mutate() then
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
158 return emit("if false and");
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
159 end
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
160 elseif name == "<integer>" then
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
161 -- Introduce off-by-one errors
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
162 if should_mutate() then
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
163 return emit(("%d"):format(tonumber(value)+1));
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
164 elseif should_mutate() then
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
165 return emit(("%d"):format(tonumber(value)-1));
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
166 end
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
167 elseif name == "and" then
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
168 if should_mutate() then
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
169 return emit("or");
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
170 end
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
171 elseif name == "or" then
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
172 if should_mutate() then
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
173 return emit("and");
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
174 end
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
175 end
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
176 end
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
177
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
178 local current_line_n, current_line_input, current_line_output = 0, {}, {};
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
179 function FILTER(line_n,token,name,value)
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
180 if current_line_n ~= line_n then -- Finished a line, moving to the next?
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
181 if did_mutate and did_mutate.line == current_line_n then
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
182 -- The line we finished was mutated. Store the original and modified outputs.
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
183 did_mutate.line_original_src = table.concat(current_line_input, " ");
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
184 did_mutate.line_modified_src = table.concat(current_line_output, " ");
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
185 end
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
186 current_line_input = {};
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
187 current_line_output = {};
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
188 end
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
189 current_line_n = line_n;
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
190 if name == "<file>" then return; end
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
191 if name == "<eof>" then
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
192 if not did_mutate then
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
193 return os.exit(2);
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
194 else
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
195 emit(("\n-- Mutated line %d (changed '%s' to '%s'):\n"):format(did_mutate.line, did_mutate.original, did_mutate.modified))
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
196 emit( ("-- Original: %s\n"):format(did_mutate.line_original_src))
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
197 emit( ("-- Modified: %s\n"):format(did_mutate.line_modified_src));
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
198 return;
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
199 end
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
200 end
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
201 if name == "<string>" then
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
202 value = string.format("%q",value);
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
203 end
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
204 if mutate(name, value) then
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
205 did_mutate = {
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
206 original = value;
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
207 modified = table.concat(last_output);
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
208 line = line_n;
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
209 };
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
210 else
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
211 emit(value);
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
212 end
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
213 table.insert(current_line_input, value);
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
214 table.insert(current_line_output, table.concat(last_output));
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
215 end
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
216 end
132a3c7b25fa tools: Add initial mutation testing script
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
217