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
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
|
# this test creates a simple GNU image with docker tools and sees if it executes
import ./make-test-python.nix ({ pkgs, ... }:
let
# nixpkgs#214434: dockerTools.buildImage fails to unpack base images
# containing duplicate layers when those duplicate tarballs
# appear under the manifest's 'Layers'. Docker can generate images
# like this even though dockerTools does not.
repeatedLayerTestImage =
let
# Rootfs diffs for layers 1 and 2 are identical (and empty)
layer1 = pkgs.dockerTools.buildImage { name = "empty"; };
layer2 = layer1.overrideAttrs (_: { fromImage = layer1; });
repeatedRootfsDiffs = pkgs.runCommand "image-with-links.tar" {
nativeBuildInputs = [pkgs.jq];
} ''
mkdir contents
tar -xf "${layer2}" -C contents
cd contents
first_rootfs=$(jq -r '.[0].Layers[0]' manifest.json)
second_rootfs=$(jq -r '.[0].Layers[1]' manifest.json)
target_rootfs=$(sha256sum "$first_rootfs" | cut -d' ' -f 1).tar
# Replace duplicated rootfs diffs with symlinks to one tarball
chmod -R ug+w .
mv "$first_rootfs" "$target_rootfs"
rm "$second_rootfs"
ln -s "../$target_rootfs" "$first_rootfs"
ln -s "../$target_rootfs" "$second_rootfs"
# Update manifest's layers to use the symlinks' target
cat manifest.json | \
jq ".[0].Layers[0] = \"$target_rootfs\"" |
jq ".[0].Layers[1] = \"$target_rootfs\"" > manifest.json.new
mv manifest.json.new manifest.json
tar --sort=name --hard-dereference -cf $out .
'';
in pkgs.dockerTools.buildImage {
fromImage = repeatedRootfsDiffs;
name = "repeated-layer-test";
tag = "latest";
copyToRoot = pkgs.bash;
# A runAsRoot script is required to force previous layers to be unpacked
runAsRoot = ''
echo 'runAsRoot has run.'
'';
};
in {
name = "docker-tools";
meta = with pkgs.lib.maintainers; {
maintainers = [ lnl7 roberth ];
};
nodes = {
docker = { ... }: {
virtualisation = {
diskSize = 3072;
docker.enable = true;
};
};
};
testScript = with pkgs.dockerTools; ''
unix_time_second1 = "1970-01-01T00:00:01Z"
docker.wait_for_unit("sockets.target")
with subtest("includeStorePath"):
with subtest("assumption"):
docker.succeed("${examples.helloOnRoot} | docker load")
docker.succeed("docker run --rm hello | grep -i hello")
docker.succeed("docker image rm hello:latest")
with subtest("includeStorePath = false; breaks example"):
docker.succeed("${examples.helloOnRootNoStore} | docker load")
docker.fail("docker run --rm hello | grep -i hello")
docker.succeed("docker image rm hello:latest")
with subtest("includeStorePath = false; breaks example (fakechroot)"):
docker.succeed("${examples.helloOnRootNoStoreFakechroot} | docker load")
docker.fail("docker run --rm hello | grep -i hello")
docker.succeed("docker image rm hello:latest")
with subtest("Ensure ZERO paths are added to the store"):
docker.fail("${examples.helloOnRootNoStore} | ${pkgs.crane}/bin/crane export - - | tar t | grep 'nix/store/'")
with subtest("Ensure ZERO paths are added to the store (fakechroot)"):
docker.fail("${examples.helloOnRootNoStoreFakechroot} | ${pkgs.crane}/bin/crane export - - | tar t | grep 'nix/store/'")
with subtest("includeStorePath = false; works with mounted store"):
docker.succeed("${examples.helloOnRootNoStore} | docker load")
docker.succeed("docker run --rm --volume ${builtins.storeDir}:${builtins.storeDir}:ro hello | grep -i hello")
docker.succeed("docker image rm hello:latest")
with subtest("includeStorePath = false; works with mounted store (fakechroot)"):
docker.succeed("${examples.helloOnRootNoStoreFakechroot} | docker load")
docker.succeed("docker run --rm --volume ${builtins.storeDir}:${builtins.storeDir}:ro hello | grep -i hello")
docker.succeed("docker image rm hello:latest")
with subtest("Ensure Docker images use a stable date by default"):
docker.succeed(
"docker load --input='${examples.bash}'"
)
assert unix_time_second1 in docker.succeed(
"docker inspect ${examples.bash.imageName} "
+ "| ${pkgs.jq}/bin/jq -r .[].Created",
)
docker.succeed("docker run --rm ${examples.bash.imageName} bash --version")
# Check imageTag attribute matches image
docker.succeed("docker images --format '{{.Tag}}' | grep -F '${examples.bash.imageTag}'")
docker.succeed("docker rmi ${examples.bash.imageName}")
# The remaining combinations
with subtest("Ensure imageTag attribute matches image"):
docker.succeed(
"docker load --input='${examples.bashNoTag}'"
)
docker.succeed(
"docker images --format '{{.Tag}}' | grep -F '${examples.bashNoTag.imageTag}'"
)
docker.succeed("docker rmi ${examples.bashNoTag.imageName}:${examples.bashNoTag.imageTag}")
docker.succeed(
"docker load --input='${examples.bashNoTagLayered}'"
)
docker.succeed(
"docker images --format '{{.Tag}}' | grep -F '${examples.bashNoTagLayered.imageTag}'"
)
docker.succeed("docker rmi ${examples.bashNoTagLayered.imageName}:${examples.bashNoTagLayered.imageTag}")
docker.succeed(
"${examples.bashNoTagStreamLayered} | docker load"
)
docker.succeed(
"docker images --format '{{.Tag}}' | grep -F '${examples.bashNoTagStreamLayered.imageTag}'"
)
docker.succeed(
"docker rmi ${examples.bashNoTagStreamLayered.imageName}:${examples.bashNoTagStreamLayered.imageTag}"
)
docker.succeed(
"docker load --input='${examples.nixLayered}'"
)
docker.succeed("docker images --format '{{.Tag}}' | grep -F '${examples.nixLayered.imageTag}'")
docker.succeed("docker rmi ${examples.nixLayered.imageName}")
with subtest(
"Check if the nix store is correctly initialized by listing "
"dependencies of the installed Nix binary"
):
docker.succeed(
"docker load --input='${examples.nix}'",
"docker run --rm ${examples.nix.imageName} nix-store -qR ${pkgs.nix}",
"docker rmi ${examples.nix.imageName}",
)
with subtest(
"Ensure (layered) nix store has correct permissions "
"and that the container starts when its process does not have uid 0"
):
docker.succeed(
"docker load --input='${examples.bashLayeredWithUser}'",
"docker run -u somebody --rm ${examples.bashLayeredWithUser.imageName} ${pkgs.bash}/bin/bash -c 'test 555 == $(stat --format=%a /nix) && test 555 == $(stat --format=%a /nix/store)'",
"docker rmi ${examples.bashLayeredWithUser.imageName}",
)
with subtest("The nix binary symlinks are intact"):
docker.succeed(
"docker load --input='${examples.nix}'",
"docker run --rm ${examples.nix.imageName} ${pkgs.bash}/bin/bash -c 'test nix == $(readlink ${pkgs.nix}/bin/nix-daemon)'",
"docker rmi ${examples.nix.imageName}",
)
with subtest("The nix binary symlinks are intact when the image is layered"):
docker.succeed(
"docker load --input='${examples.nixLayered}'",
"docker run --rm ${examples.nixLayered.imageName} ${pkgs.bash}/bin/bash -c 'test nix == $(readlink ${pkgs.nix}/bin/nix-daemon)'",
"docker rmi ${examples.nixLayered.imageName}",
)
with subtest("The pullImage tool works"):
docker.succeed(
"docker load --input='${examples.testNixFromDockerHub}'",
"docker run --rm nix:2.2.1 nix-store --version",
"docker rmi nix:2.2.1",
)
with subtest("runAsRoot and entry point work"):
docker.succeed(
"docker load --input='${examples.nginx}'",
"docker run --name nginx -d -p 8000:80 ${examples.nginx.imageName}",
)
docker.wait_until_succeeds("curl -f http://localhost:8000/")
docker.succeed(
"docker rm --force nginx",
"docker rmi '${examples.nginx.imageName}'",
)
with subtest("A pulled image can be used as base image"):
docker.succeed(
"docker load --input='${examples.onTopOfPulledImage}'",
"docker run --rm ontopofpulledimage hello",
"docker rmi ontopofpulledimage",
)
with subtest("Regression test for issue #34779"):
docker.succeed(
"docker load --input='${examples.runAsRootExtraCommands}'",
"docker run --rm runasrootextracommands cat extraCommands",
"docker run --rm runasrootextracommands cat runAsRoot",
"docker rmi '${examples.runAsRootExtraCommands.imageName}'",
)
with subtest("Ensure Docker images can use an unstable date"):
docker.succeed(
"docker load --input='${examples.unstableDate}'"
)
assert unix_time_second1 not in docker.succeed(
"docker inspect ${examples.unstableDate.imageName} "
+ "| ${pkgs.jq}/bin/jq -r .[].Created"
)
with subtest("Ensure Layered Docker images can use an unstable date"):
docker.succeed(
"docker load --input='${examples.unstableDateLayered}'"
)
assert unix_time_second1 not in docker.succeed(
"docker inspect ${examples.unstableDateLayered.imageName} "
+ "| ${pkgs.jq}/bin/jq -r .[].Created"
)
with subtest("Ensure Layered Docker images work"):
docker.succeed(
"docker load --input='${examples.layered-image}'",
"docker run --rm ${examples.layered-image.imageName}",
"docker run --rm ${examples.layered-image.imageName} cat extraCommands",
)
with subtest("Ensure images built on top of layered Docker images work"):
docker.succeed(
"docker load --input='${examples.layered-on-top}'",
"docker run --rm ${examples.layered-on-top.imageName}",
)
with subtest("Ensure layered images built on top of layered Docker images work"):
docker.succeed(
"docker load --input='${examples.layered-on-top-layered}'",
"docker run --rm ${examples.layered-on-top-layered.imageName}",
)
def set_of_layers(image_name):
return set(
docker.succeed(
f"docker inspect {image_name} "
+ "| ${pkgs.jq}/bin/jq -r '.[] | .RootFS.Layers | .[]'"
).split()
)
with subtest("Ensure layers are shared between images"):
docker.succeed(
"docker load --input='${examples.another-layered-image}'"
)
layers1 = set_of_layers("${examples.layered-image.imageName}")
layers2 = set_of_layers("${examples.another-layered-image.imageName}")
assert bool(layers1 & layers2)
with subtest("Ensure order of layers is correct"):
docker.succeed(
"docker load --input='${examples.layersOrder}'"
)
for index in 1, 2, 3:
assert f"layer{index}" in docker.succeed(
f"docker run --rm ${examples.layersOrder.imageName} cat /tmp/layer{index}"
)
with subtest("Ensure layers unpacked in correct order before runAsRoot runs"):
assert "abc" in docker.succeed(
"docker load --input='${examples.layersUnpackOrder}'",
"docker run --rm ${examples.layersUnpackOrder.imageName} cat /layer-order"
)
with subtest("Ensure repeated base layers handled by buildImage"):
docker.succeed(
"docker load --input='${repeatedLayerTestImage}'",
"docker run --rm ${repeatedLayerTestImage.imageName} /bin/bash -c 'exit 0'"
)
with subtest("Ensure environment variables are correctly inherited"):
docker.succeed(
"docker load --input='${examples.environmentVariables}'"
)
out = docker.succeed("docker run --rm ${examples.environmentVariables.imageName} env")
env = out.splitlines()
assert "FROM_PARENT=true" in env, "envvars from the parent should be preserved"
assert "FROM_CHILD=true" in env, "envvars from the child should be preserved"
assert "LAST_LAYER=child" in env, "envvars from the child should take priority"
with subtest("Ensure environment variables of layered images are correctly inherited"):
docker.succeed(
"docker load --input='${examples.environmentVariablesLayered}'"
)
out = docker.succeed("docker run --rm ${examples.environmentVariablesLayered.imageName} env")
env = out.splitlines()
assert "FROM_PARENT=true" in env, "envvars from the parent should be preserved"
assert "FROM_CHILD=true" in env, "envvars from the child should be preserved"
assert "LAST_LAYER=child" in env, "envvars from the child should take priority"
with subtest(
"Ensure inherited environment variables of layered images are correctly resolved"
):
# Read environment variables as stored in image config
config = docker.succeed(
"tar -xOf ${examples.environmentVariablesLayered} manifest.json | ${pkgs.jq}/bin/jq -r .[].Config"
).strip()
out = docker.succeed(
f"tar -xOf ${examples.environmentVariablesLayered} {config} | ${pkgs.jq}/bin/jq -r '.config.Env | .[]'"
)
env = out.splitlines()
assert (
sum(entry.startswith("LAST_LAYER") for entry in env) == 1
), "envvars overridden by child should be unique"
with subtest("Ensure image with only 2 layers can be loaded"):
docker.succeed(
"docker load --input='${examples.two-layered-image}'"
)
with subtest(
"Ensure the bulk layer doesn't miss store paths (regression test for #78744)"
):
docker.succeed(
"docker load --input='${pkgs.dockerTools.examples.bulk-layer}'",
# Ensure the two output paths (ls and hello) are in the layer
"docker run bulk-layer ls /bin/hello",
)
with subtest(
"Ensure the bulk layer with a base image respects the number of maxLayers"
):
docker.succeed(
"docker load --input='${pkgs.dockerTools.examples.layered-bulk-layer}'",
# Ensure the image runs correctly
"docker run layered-bulk-layer ls /bin/hello",
)
# Ensure the image has the correct number of layers
assert len(set_of_layers("layered-bulk-layer")) == 4
with subtest("Ensure only minimal paths are added to the store"):
# TODO: make an example that has no store paths, for example by making
# busybox non-self-referential.
# This check tests that buildLayeredImage can build images that don't need a store.
docker.succeed(
"docker load --input='${pkgs.dockerTools.examples.no-store-paths}'"
)
docker.succeed("docker run --rm no-store-paths ls / >/dev/console")
# If busybox isn't self-referential, we need this line
# docker.fail("docker run --rm no-store-paths ls /nix/store >/dev/console")
# However, it currently is self-referential, so we check that it is the
# only store path.
docker.succeed("diff <(docker run --rm no-store-paths ls /nix/store) <(basename ${pkgs.pkgsStatic.busybox}) >/dev/console")
with subtest("Ensure buildLayeredImage does not change store path contents."):
docker.succeed(
"docker load --input='${pkgs.dockerTools.examples.filesInStore}'",
"docker run --rm file-in-store nix-store --verify --check-contents",
"docker run --rm file-in-store |& grep 'some data'",
)
with subtest("Ensure cross compiled image can be loaded and has correct arch."):
docker.succeed(
"docker load --input='${pkgs.dockerTools.examples.cross}'",
)
assert (
docker.succeed(
"docker inspect ${pkgs.dockerTools.examples.cross.imageName} "
+ "| ${pkgs.jq}/bin/jq -r .[].Architecture"
).strip()
== "${if pkgs.stdenv.hostPlatform.system == "aarch64-linux" then "amd64" else "arm64"}"
)
with subtest("buildLayeredImage doesn't dereference /nix/store symlink layers"):
docker.succeed(
"docker load --input='${examples.layeredStoreSymlink}'",
"docker run --rm ${examples.layeredStoreSymlink.imageName} bash -c 'test -L ${examples.layeredStoreSymlink.passthru.symlink}'",
"docker rmi ${examples.layeredStoreSymlink.imageName}",
)
with subtest("buildImage supports registry/ prefix in image name"):
docker.succeed(
"docker load --input='${examples.prefixedImage}'"
)
docker.succeed(
"docker images --format '{{.Repository}}' | grep -F '${examples.prefixedImage.imageName}'"
)
with subtest("buildLayeredImage supports registry/ prefix in image name"):
docker.succeed(
"docker load --input='${examples.prefixedLayeredImage}'"
)
docker.succeed(
"docker images --format '{{.Repository}}' | grep -F '${examples.prefixedLayeredImage.imageName}'"
)
with subtest("buildLayeredImage supports running chown with fakeRootCommands"):
docker.succeed(
"docker load --input='${examples.layeredImageWithFakeRootCommands}'"
)
docker.succeed(
"docker run --rm ${examples.layeredImageWithFakeRootCommands.imageName} sh -c 'stat -c '%u' /home/alice | grep -E ^1000$'"
)
with subtest("Ensure docker load on merged images loads all of the constituent images"):
docker.succeed(
"docker load --input='${examples.mergedBashAndRedis}'"
)
docker.succeed(
"docker images --format '{{.Repository}}-{{.Tag}}' | grep -F '${examples.bash.imageName}-${examples.bash.imageTag}'"
)
docker.succeed(
"docker images --format '{{.Repository}}-{{.Tag}}' | grep -F '${examples.redis.imageName}-${examples.redis.imageTag}'"
)
docker.succeed("docker run --rm ${examples.bash.imageName} bash --version")
docker.succeed("docker run --rm ${examples.redis.imageName} redis-cli --version")
docker.succeed("docker rmi ${examples.bash.imageName}")
docker.succeed("docker rmi ${examples.redis.imageName}")
with subtest(
"Ensure docker load on merged images loads all of the constituent images (missing tags)"
):
docker.succeed(
"docker load --input='${examples.mergedBashNoTagAndRedis}'"
)
docker.succeed(
"docker images --format '{{.Repository}}-{{.Tag}}' | grep -F '${examples.bashNoTag.imageName}-${examples.bashNoTag.imageTag}'"
)
docker.succeed(
"docker images --format '{{.Repository}}-{{.Tag}}' | grep -F '${examples.redis.imageName}-${examples.redis.imageTag}'"
)
# we need to explicitly specify the generated tag here
docker.succeed(
"docker run --rm ${examples.bashNoTag.imageName}:${examples.bashNoTag.imageTag} bash --version"
)
docker.succeed("docker run --rm ${examples.redis.imageName} redis-cli --version")
docker.succeed("docker rmi ${examples.bashNoTag.imageName}:${examples.bashNoTag.imageTag}")
docker.succeed("docker rmi ${examples.redis.imageName}")
with subtest("mergeImages preserves owners of the original images"):
docker.succeed(
"docker load --input='${examples.mergedBashFakeRoot}'"
)
docker.succeed(
"docker run --rm ${examples.layeredImageWithFakeRootCommands.imageName} sh -c 'stat -c '%u' /home/alice | grep -E ^1000$'"
)
with subtest("The image contains store paths referenced by the fakeRootCommands output"):
docker.succeed(
"docker run --rm ${examples.layeredImageWithFakeRootCommands.imageName} /hello/bin/layeredImageWithFakeRootCommands-hello"
)
with subtest("exportImage produces a valid tarball"):
docker.succeed(
"tar -tf ${examples.exportBash} | grep '\./bin/bash' > /dev/null"
)
with subtest("layered image fakeRootCommands with fakechroot works"):
docker.succeed("${examples.imageViaFakeChroot} | docker load")
docker.succeed("docker run --rm image-via-fake-chroot | grep -i hello")
docker.succeed("docker image rm image-via-fake-chroot:latest")
with subtest("Ensure bare paths in contents are loaded correctly"):
docker.succeed(
"docker load --input='${examples.build-image-with-path}'",
"docker run --rm build-image-with-path bash -c '[[ -e /hello.txt ]]'",
"docker rmi build-image-with-path",
)
docker.succeed(
"${examples.layered-image-with-path} | docker load",
"docker run --rm layered-image-with-path bash -c '[[ -e /hello.txt ]]'",
"docker rmi layered-image-with-path",
)
with subtest("Ensure correct architecture is present in manifests."):
docker.succeed("""
docker load --input='${examples.build-image-with-architecture}'
docker inspect build-image-with-architecture \
| ${pkgs.jq}/bin/jq -er '.[] | select(.Architecture=="arm64").Architecture'
docker rmi build-image-with-architecture
""")
docker.succeed("""
${examples.layered-image-with-architecture} | docker load
docker inspect layered-image-with-architecture \
| ${pkgs.jq}/bin/jq -er '.[] | select(.Architecture=="arm64").Architecture'
docker rmi layered-image-with-architecture
""")
with subtest("etc"):
docker.succeed("${examples.etc} | docker load")
docker.succeed("docker run --rm etc | grep localhost")
docker.succeed("docker image rm etc:latest")
with subtest("image-with-certs"):
docker.succeed("<${examples.image-with-certs} docker load")
docker.succeed("docker run --rm image-with-certs:latest test -r /etc/ssl/certs/ca-bundle.crt")
docker.succeed("docker run --rm image-with-certs:latest test -r /etc/ssl/certs/ca-certificates.crt")
docker.succeed("docker run --rm image-with-certs:latest test -r /etc/pki/tls/certs/ca-bundle.crt")
docker.succeed("docker image rm image-with-certs:latest")
with subtest("buildNixShellImage: Can build a basic derivation"):
docker.succeed(
"${examples.nix-shell-basic} | docker load",
"docker run --rm nix-shell-basic bash -c 'buildDerivation && $out/bin/hello' | grep '^Hello, world!$'"
)
with subtest("buildNixShellImage: Runs the shell hook"):
docker.succeed(
"${examples.nix-shell-hook} | docker load",
"docker run --rm -it nix-shell-hook | grep 'This is the shell hook!'"
)
with subtest("buildNixShellImage: Sources stdenv, making build inputs available"):
docker.succeed(
"${examples.nix-shell-inputs} | docker load",
"docker run --rm -it nix-shell-inputs | grep 'Hello, world!'"
)
with subtest("buildNixShellImage: passAsFile works"):
docker.succeed(
"${examples.nix-shell-pass-as-file} | docker load",
"docker run --rm -it nix-shell-pass-as-file | grep 'this is a string'"
)
with subtest("buildNixShellImage: run argument works"):
docker.succeed(
"${examples.nix-shell-run} | docker load",
"docker run --rm -it nix-shell-run | grep 'This shell is not interactive'"
)
with subtest("buildNixShellImage: command argument works"):
docker.succeed(
"${examples.nix-shell-command} | docker load",
"docker run --rm -it nix-shell-command | grep 'This shell is interactive'"
)
with subtest("buildNixShellImage: home directory is writable by default"):
docker.succeed(
"${examples.nix-shell-writable-home} | docker load",
"docker run --rm -it nix-shell-writable-home"
)
with subtest("buildNixShellImage: home directory can be made non-existent"):
docker.succeed(
"${examples.nix-shell-nonexistent-home} | docker load",
"docker run --rm -it nix-shell-nonexistent-home"
)
with subtest("buildNixShellImage: can build derivations"):
docker.succeed(
"${examples.nix-shell-build-derivation} | docker load",
"docker run --rm -it nix-shell-build-derivation"
)
'';
})
|