1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
|
#!/bin/bash
# Self-tests for gm, based on tools/tests/run.sh
#
# These tests are run by the Skia_PerCommit_House_Keeping bot at every commit,
# so make sure that they still pass when you make changes to gm!
#
# TODO: because this is written as a shell script (instead of, say, Python)
# it only runs on Linux and Mac.
# See https://code.google.com/p/skia/issues/detail?id=677
# ('make tools/tests/run.sh work cross-platform')
# Ideally, these tests should pass on all development platforms...
# otherwise, how can developers be expected to test them before committing a
# change?
# cd into .../trunk so all the paths will work
cd $(dirname $0)/../..
# TODO(epoger): make it look in Release and/or Debug
GM_BINARY=out/Debug/gm
OUTPUT_ACTUAL_SUBDIR=output-actual
OUTPUT_EXPECTED_SUBDIR=output-expected
CONFIGS="--config 8888 --config 565"
# Compare contents of all files within directories $1 and $2,
# EXCEPT for any dotfiles.
# If there are any differences, a description is written to stdout and
# we exit with a nonzero return value.
# Otherwise, we write nothing to stdout and return.
function compare_directories {
if [ $# != 2 ]; then
echo "compare_directories requires exactly 2 parameters, got $#"
exit 1
fi
diff -r --exclude=.* $1 $2
if [ $? != 0 ]; then
echo "failed in: compare_directories $1 $2"
exit 1
fi
}
# Run gm...
# - with the arguments in $1
# - writing stdout into $2/$OUTPUT_ACTUAL_SUBDIR/stdout
# - writing json summary into $2/$OUTPUT_ACTUAL_SUBDIR/json-summary.txt
# - writing return value into $2/$OUTPUT_ACTUAL_SUBDIR/return_value
# Then compare all of those against $2/$OUTPUT_EXPECTED_SUBDIR .
function gm_test {
if [ $# != 2 ]; then
echo "gm_test requires exactly 2 parameters, got $#"
exit 1
fi
GM_ARGS="$1"
ACTUAL_OUTPUT_DIR="$2/$OUTPUT_ACTUAL_SUBDIR"
EXPECTED_OUTPUT_DIR="$2/$OUTPUT_EXPECTED_SUBDIR"
JSON_SUMMARY_FILE="$ACTUAL_OUTPUT_DIR/json-summary.txt"
rm -rf $ACTUAL_OUTPUT_DIR
mkdir -p $ACTUAL_OUTPUT_DIR
COMMAND="$GM_BINARY $GM_ARGS --writeJsonSummary $JSON_SUMMARY_FILE"
echo "$COMMAND" >$ACTUAL_OUTPUT_DIR/command_line
$COMMAND &>$ACTUAL_OUTPUT_DIR/stdout
echo $? >$ACTUAL_OUTPUT_DIR/return_value
# Only compare selected lines in the stdout, to ignore any spurious lines
# as noted in http://code.google.com/p/skia/issues/detail?id=1068 .
#
# TODO(epoger): This is still hacky... we need to rewrite this script in
# Python soon, and make stuff like this more maintainable.
grep --regexp=^reading --regexp=^writing --regexp=^drawing \
--regexp=^FAILED --regexp=^Ran $ACTUAL_OUTPUT_DIR/stdout \
>$ACTUAL_OUTPUT_DIR/stdout-tmp
mv $ACTUAL_OUTPUT_DIR/stdout-tmp $ACTUAL_OUTPUT_DIR/stdout
compare_directories $EXPECTED_OUTPUT_DIR $ACTUAL_OUTPUT_DIR
}
# Create input dir (at path $1) with expectations (both image and json)
# that gm will match or mismatch as appropriate.
#
# We used to check these files into SVN, but then we needed to rebasline them
# when our drawing changed at all... so, as proposed in
# http://code.google.com/p/skia/issues/detail?id=1068 , we generate them
# new each time.
function create_inputs_dir {
if [ $# != 1 ]; then
echo "create_inputs_dir requires exactly 1 parameter, got $#"
exit 1
fi
INPUTS_DIR="$1"
IMAGES_DIR=$INPUTS_DIR/images
JSON_DIR=$INPUTS_DIR/json
mkdir -p $IMAGES_DIR $JSON_DIR
mkdir -p $IMAGES_DIR/identical-bytes
# Run GM to write out the images actually generated.
$GM_BINARY --hierarchy --match selftest1 $CONFIGS \
-w $IMAGES_DIR/identical-bytes
# Run GM again to read in those images and write them out as a JSON summary.
$GM_BINARY --hierarchy --match selftest1 $CONFIGS \
-r $IMAGES_DIR/identical-bytes \
--writeJsonSummary $JSON_DIR/identical-bytes.json
mkdir -p $IMAGES_DIR/identical-pixels
$GM_BINARY --hierarchy --match selftest1 $CONFIGS \
-w $IMAGES_DIR/identical-pixels
echo "more bytes that do not change the image pixels" \
>> $IMAGES_DIR/identical-pixels/8888/selftest1.png
echo "more bytes that do not change the image pixels" \
>> $IMAGES_DIR/identical-pixels/565/selftest1.png
$GM_BINARY --hierarchy --match selftest1 $CONFIGS \
-r $IMAGES_DIR/identical-pixels \
--writeJsonSummary $JSON_DIR/identical-pixels.json
mkdir -p $IMAGES_DIR/different-pixels
$GM_BINARY --hierarchy --match selftest2 $CONFIGS \
-w $IMAGES_DIR/different-pixels
mv $IMAGES_DIR/different-pixels/8888/selftest2.png \
$IMAGES_DIR/different-pixels/8888/selftest1.png
mv $IMAGES_DIR/different-pixels/565/selftest2.png \
$IMAGES_DIR/different-pixels/565/selftest1.png
$GM_BINARY --hierarchy --match selftest1 $CONFIGS \
-r $IMAGES_DIR/different-pixels \
--writeJsonSummary $JSON_DIR/different-pixels.json
mkdir -p $IMAGES_DIR/empty-dir
}
GM_TESTDIR=gm/tests
GM_INPUTS=$GM_TESTDIR/inputs
GM_OUTPUTS=$GM_TESTDIR/outputs
GM_TEMPFILES=$GM_TESTDIR/tempfiles
create_inputs_dir $GM_INPUTS
# Compare generated image against an input image file with identical bytes.
gm_test "--hierarchy --match selftest1 $CONFIGS -r $GM_INPUTS/images/identical-bytes" "$GM_OUTPUTS/compared-against-identical-bytes-images"
gm_test "--hierarchy --match selftest1 $CONFIGS -r $GM_INPUTS/json/identical-bytes.json" "$GM_OUTPUTS/compared-against-identical-bytes-json"
# Compare generated image against an input image file with identical pixels but different PNG encoding.
gm_test "--hierarchy --match selftest1 $CONFIGS -r $GM_INPUTS/images/identical-pixels" "$GM_OUTPUTS/compared-against-identical-pixels-images"
gm_test "--hierarchy --match selftest1 $CONFIGS -r $GM_INPUTS/json/identical-pixels.json" "$GM_OUTPUTS/compared-against-identical-pixels-json"
# Compare generated image against an input image file with different pixels.
gm_test "--hierarchy --match selftest1 $CONFIGS -r $GM_INPUTS/images/different-pixels" "$GM_OUTPUTS/compared-against-different-pixels-images"
gm_test "--hierarchy --match selftest1 $CONFIGS -r $GM_INPUTS/json/different-pixels.json" "$GM_OUTPUTS/compared-against-different-pixels-json"
# Compare generated image against an empty "expected image" dir.
gm_test "--hierarchy --match selftest1 $CONFIGS -r $GM_INPUTS/images/empty-dir" "$GM_OUTPUTS/compared-against-empty-dir"
# If run without "-r", the JSON's "actual-results" section should contain
# actual checksums marked as "failure-ignored", but the "expected-results"
# section should be empty.
gm_test "--hierarchy --match selftest1 $CONFIGS" "$GM_OUTPUTS/no-readpath"
echo "All tests passed."
|
