aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/test/test.sh
blob: 0e02480ed8b83ee72d4aaddfceab68bcc8cc2191 (plain) (blame)
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
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
#!/usr/bin/env bash

set -o errexit -o nounset -o pipefail

script_dir="$( dirname -- "${BASH_SOURCE[0]}" )"
script_dir="$( cd -- "$script_dir" && pwd )"
readonly script_dir
script_name="$( basename -- "${BASH_SOURCE[0]}" )"
readonly script_name

readonly src_dir_name='src'
readonly dest_dir_name='dest'
readonly alt_dest_dir_name='alt_dest'

src_dir_path="$script_dir/$src_dir_name"
readonly src_dir_path
dest_dir_path="$script_dir/$dest_dir_name"
readonly dest_dir_path

test_root_dir=
test_src_dir=
test_dest_dir=
test_alt_dest_dir=

new_test() {
    local test_name=
    [ "${#FUNCNAME[@]}" -gt 1 ] && test_name="${FUNCNAME[1]}"

    echo
    echo ======================================================================
    echo "New test: $test_name"

    test_root_dir="$( mktemp --directory )"
    test_src_dir="$test_root_dir/$src_dir_name"
    test_dest_dir="$test_root_dir/$dest_dir_name"
    test_alt_dest_dir="$test_root_dir/$alt_dest_dir_name"

    echo "Root directory: $test_root_dir"
    echo "Shared directory: $test_src_dir"
    echo "%DEST% directory: $test_dest_dir"
    echo "%ALT_DEST% directory: $test_alt_dest_dir"
    echo ======================================================================

    cp -r -- "$src_dir_path" "$test_src_dir"
    cp -r -- "$dest_dir_path" "$test_dest_dir"
    cp -r -- "$dest_dir_path" "$test_alt_dest_dir"
}

call_bin_script() {
    echo
    echo -n 'Executing script:'

    printf -- ' %q' "$@" --shared-dir "$test_src_dir" --database "$test_root_dir/links.bin"
    printf -- '\n'

    echo
    DEST="$test_dest_dir" ALT_DEST="$test_alt_dest_dir" eval "$@" --shared-dir "$test_src_dir" --database "$test_root_dir/links.bin"
}

call_update() {
    call_bin_script "$script_dir/../links-update" "$@"
}

call_unlink() {
    call_bin_script "$script_dir/../links-remove"
}

call_chmod() {
    call_bin_script "$script_dir/../links-chmod" "$@"
}

verify_output() {
    if [ "$#" -lt 1 ] || [ "$#" -gt 2 ]; then
        echo "usage: ${FUNCNAME[0]} EXPECTED_OUTPUT [DEST_DIR]" >&2
        return 1
    fi

    local expected_output="$1"
    echo
    echo 'Expected directory structure:'
    echo "$expected_output"

    local dest_dir="$test_dest_dir"
    [ "$#" -ge 2 ] && dest_dir="$2"

    local actual_output
    actual_output="$( find "$dest_dir" -printf '%h/%f->%l\n' | sort )"
    echo
    echo 'Actual directory structure:'
    echo "$actual_output"
    echo

    if [ "$actual_output" = "$expected_output" ]; then
        echo "... They match!"
    else
        echo "... The actual directory structure does not match the expected directory structure!" >&2
        return 1
    fi
}

verify_mode() {
    if [ "$#" -ne 2 ]; then
        echo "usage: ${FUNCNAME[0]} EXPECTED_MODE FILE" >&2
        return 1
    fi

    local expected_mode="$1"
    local path="$2"

    echo
    echo "Checking permissions for file: $path"
    echo "Expected mode: $expected_mode"

    local actual_mode
    actual_mode="$( stat -c '%a' -- "$path" )"
    actual_mode="0$actual_mode"

    echo "Actual mode: $actual_mode"

    if [ "$actual_mode" = "$expected_mode" ]; then
        echo "... They match!"
    else
        echo "... They don't match."
        return 1
    fi
}

test_update_works() {
    # Basic test to make sure update.sh actually creates the proper symlinks.

    new_test
    call_update

    local expected_output="$test_dest_dir->
$test_dest_dir/1.txt->$test_src_dir/%DEST%/1.txt
$test_dest_dir/bar->
$test_dest_dir/bar/3.txt->$test_src_dir/%DEST%/bar/3.txt
$test_dest_dir/bar/baz->
$test_dest_dir/bar/baz/4.txt->$test_src_dir/%DEST%/bar/baz/4.txt
$test_dest_dir/foo->
$test_dest_dir/foo/2.txt->$test_src_dir/%DEST%/foo/2.txt"

    verify_output "$expected_output"
}

test_unlink_works() {
    # Basic test to make sure unlink.sh actually removes the created symlinks.

    new_test
    call_update
    call_unlink

    local expected_output="$test_dest_dir->"
    verify_output "$expected_output"
}

test_unlink_does_not_overwrite_files() {
    # Check that if a user overwrites a symlink with his own file, unlink.sh
    # keeps it.

    new_test
    call_update

    # Simulate a user overwriting one of the symlinks with his own file.
    rm -- "$test_dest_dir/bar/3.txt"
    echo 'User content' > "$test_dest_dir/bar/3.txt"

    call_unlink

    # 3.txt must be kept:
    local expected_output="$test_dest_dir->
$test_dest_dir/bar->
$test_dest_dir/bar/3.txt->"

    verify_output "$expected_output"
}

test_dir_symlink_update_works() {
    # We can symlink files to multiple directories by creating symlinks inside
    # --shared-dir.

    new_test

    # Files will get symlinks in the directory pointed to by $DEST, as well as
    # by $ALT_DEST.
    ln -s -- '%DEST%' "$test_src_dir/%ALT_DEST%"

    call_update

    local expected_output="$test_dest_dir->
$test_dest_dir/1.txt->$test_src_dir/%DEST%/1.txt
$test_dest_dir/bar->
$test_dest_dir/bar/3.txt->$test_src_dir/%DEST%/bar/3.txt
$test_dest_dir/bar/baz->
$test_dest_dir/bar/baz/4.txt->$test_src_dir/%DEST%/bar/baz/4.txt
$test_dest_dir/foo->
$test_dest_dir/foo/2.txt->$test_src_dir/%DEST%/foo/2.txt"

    verify_output "$expected_output"

    expected_output="$test_alt_dest_dir->
$test_alt_dest_dir/1.txt->$test_src_dir/%ALT_DEST%/1.txt
$test_alt_dest_dir/bar->
$test_alt_dest_dir/bar/3.txt->$test_src_dir/%ALT_DEST%/bar/3.txt
$test_alt_dest_dir/bar/baz->
$test_alt_dest_dir/bar/baz/4.txt->$test_src_dir/%ALT_DEST%/bar/baz/4.txt
$test_alt_dest_dir/foo->
$test_alt_dest_dir/foo/2.txt->$test_src_dir/%ALT_DEST%/foo/2.txt"

    verify_output "$expected_output" "$test_alt_dest_dir"
}

test_dir_symlink_unlink_works() {
    # Test that unlink.sh works for directory symlinks inside --shared-dir.

    new_test

    # Files will get symlinks in the directory pointed to by $DEST, as well as
    # by $ALT_DEST.
    ln -s -- '%DEST%' "$test_src_dir/%ALT_DEST%"

    call_update
    call_unlink

    local expected_output="$test_dest_dir->"
    verify_output "$expected_output"

    expected_output="$test_alt_dest_dir->"
    verify_output "$expected_output" "$test_alt_dest_dir"
}

test_dir_symlink_remove_shared_file() {
    # If we remove a shared file, both of the symlinks should be removed.

    new_test
    ln -s -- '%DEST%' "$test_src_dir/%ALT_DEST%"
    call_update
    # Remove a random shared file:
    rm -- "$test_src_dir/%DEST%/bar/3.txt"
    call_update

    local expected_output="$test_dest_dir->
$test_dest_dir/1.txt->$test_src_dir/%DEST%/1.txt
$test_dest_dir/bar->
$test_dest_dir/bar/baz->
$test_dest_dir/bar/baz/4.txt->$test_src_dir/%DEST%/bar/baz/4.txt
$test_dest_dir/foo->
$test_dest_dir/foo/2.txt->$test_src_dir/%DEST%/foo/2.txt"

    verify_output "$expected_output"

    expected_output="$test_alt_dest_dir->
$test_alt_dest_dir/1.txt->$test_src_dir/%ALT_DEST%/1.txt
$test_alt_dest_dir/bar->
$test_alt_dest_dir/bar/baz->
$test_alt_dest_dir/bar/baz/4.txt->$test_src_dir/%ALT_DEST%/bar/baz/4.txt
$test_alt_dest_dir/foo->
$test_alt_dest_dir/foo/2.txt->$test_src_dir/%ALT_DEST%/foo/2.txt"

    verify_output "$expected_output" "$test_alt_dest_dir"
}

test_dir_symlink_remove_dir_symlink() {
    # If we remove a directory symlink in --shared-dir, all the symlinks
    # accessible through this directory symlink should be removed.

    new_test
    ln -s -- '%DEST%' "$test_src_dir/%ALT_DEST%"
    call_update
    # Remove the directory symlink:
    rm -- "$test_src_dir/%ALT_DEST%"
    call_update

    local expected_output="$test_dest_dir->
$test_dest_dir/1.txt->$test_src_dir/%DEST%/1.txt
$test_dest_dir/bar->
$test_dest_dir/bar/3.txt->$test_src_dir/%DEST%/bar/3.txt
$test_dest_dir/bar/baz->
$test_dest_dir/bar/baz/4.txt->$test_src_dir/%DEST%/bar/baz/4.txt
$test_dest_dir/foo->
$test_dest_dir/foo/2.txt->$test_src_dir/%DEST%/foo/2.txt"

    verify_output "$expected_output"

    expected_output="$test_alt_dest_dir->"
    verify_output "$expected_output" "$test_alt_dest_dir"
}

test_symlink_update_works() {
    # Shared files can also be symlinks, pointing to something else.

    new_test
    # Create a stupid symlink.
    ln -s -- 'bar/3.txt' "$test_src_dir/%DEST%/3_copy.txt"
    call_update

    local expected_output="$test_dest_dir->
$test_dest_dir/1.txt->$test_src_dir/%DEST%/1.txt
$test_dest_dir/3_copy.txt->$test_src_dir/%DEST%/3_copy.txt
$test_dest_dir/bar->
$test_dest_dir/bar/3.txt->$test_src_dir/%DEST%/bar/3.txt
$test_dest_dir/bar/baz->
$test_dest_dir/bar/baz/4.txt->$test_src_dir/%DEST%/bar/baz/4.txt
$test_dest_dir/foo->
$test_dest_dir/foo/2.txt->$test_src_dir/%DEST%/foo/2.txt"

    verify_output "$expected_output"

    echo
    echo 'Verifying 3_copy.txt (the symlink) is valid...'

    local copy_target
    copy_target="$( readlink -- "$test_dest_dir/3_copy.txt" )"
    test "$copy_target" = "$test_src_dir/%DEST%/3_copy.txt"

    local copy_content
    copy_content="$( cat -- "$test_dest_dir/3_copy.txt" )"
    test "$copy_content" = '3'
}

test_symlink_unlink_works() {
    new_test
    # Create a stupid symlink.
    ln -s -- 'bar/3.txt' "$test_src_dir/%DEST%/3_copy.txt"
    call_update
    call_unlink

    local expected_output="$test_dest_dir->"
    verify_output "$expected_output"

    echo
    echo 'Verifying 3_copy.txt (the shared file) is valid...'

    local copy_target
    copy_target="$( readlink -e -- "$test_src_dir/%DEST%/3_copy.txt" )"
    test "$copy_target" = "$test_src_dir/%DEST%/bar/3.txt"

    local copy_content
    copy_content="$( cat -- "$test_src_dir/%DEST%/3_copy.txt" )"
    test "$copy_content" = '3'
}

test_chmod_works() {
    # Test that links-chmod works.
    new_test
    call_update

    local expected_output="$test_dest_dir->
$test_dest_dir/1.txt->$test_src_dir/%DEST%/1.txt
$test_dest_dir/bar->
$test_dest_dir/bar/3.txt->$test_src_dir/%DEST%/bar/3.txt
$test_dest_dir/bar/baz->
$test_dest_dir/bar/baz/4.txt->$test_src_dir/%DEST%/bar/baz/4.txt
$test_dest_dir/foo->
$test_dest_dir/foo/2.txt->$test_src_dir/%DEST%/foo/2.txt"
    verify_output "$expected_output"

    echo
    echo 'Verifying 1.txt (the shared file) permissions...'

    verify_mode 0644 "$test_src_dir/%DEST%/1.txt"
    call_chmod 0600
    verify_mode 0600 "$test_src_dir/%DEST%/1.txt"
}

test_update_chmod() {
    # Test that links-update --mode works.
    new_test
    local expected_mode='0622'
    call_update --mode "$expected_mode"

    local expected_output="$test_dest_dir->
$test_dest_dir/1.txt->$test_src_dir/%DEST%/1.txt
$test_dest_dir/bar->
$test_dest_dir/bar/3.txt->$test_src_dir/%DEST%/bar/3.txt
$test_dest_dir/bar/baz->
$test_dest_dir/bar/baz/4.txt->$test_src_dir/%DEST%/bar/baz/4.txt
$test_dest_dir/foo->
$test_dest_dir/foo/2.txt->$test_src_dir/%DEST%/foo/2.txt"
    verify_output "$expected_output"

    verify_mode "$expected_mode" "$test_src_dir/%DEST%/1.txt"
}

main() {
    test_update_works
    test_unlink_works
    test_unlink_does_not_overwrite_files

    test_dir_symlink_update_works
    test_dir_symlink_unlink_works
    test_dir_symlink_remove_shared_file
    test_dir_symlink_remove_dir_symlink

    test_symlink_update_works
    test_symlink_unlink_works

    test_chmod_works
    test_update_chmod
}

main