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lix/tests/eval-store.sh

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Add --eval-store test
2021-07-27 09:17:56 +00:00
source common.sh
Disable the eval-store test when using the daemon Using the daemon will break most of the assumptions of this test, so it’s as simple to just disable it
2021-10-15 12:15:43 +00:00
# Using `--eval-store` with the daemon will eventually copy everything
# to the build store, invalidating most of the tests here
Harden tests' bash Use `set -u` and `set -o pipefail` to catch accidental mistakes and failures more strongly. - `set -u` catches the use of undefined variables - `set -o pipefail` catches failures (like `set -e`) earlier in the pipeline. This makes the tests a bit more robust. It is nice to read code not worrying about these spurious success paths (via uncaught) errors undermining the tests. Indeed, I caught some bugs doing this. There are a few tests where we run a command that should fail, and then search its output to make sure the failure message is one that we expect. Before, since the `grep` was the last command in the pipeline the exit code of those failing programs was silently ignored. Now with `set -o pipefail` it won't be, and we have to do something so the expected failure doesn't accidentally fail the test. To do that we use `expect` and a new `expectStderr` to check for the exact failing exit code. See the comments on each for why. `grep -q` is replaced with `grepQuiet`, see the comments on that function for why. `grep -v` when we just want the exit code is replaced with `grepInverse, see the comments on that function for why. `grep -q -v` together is, surprise surprise, replaced with `grepQuietInverse`, which is both combined. Co-authored-by: Robert Hensing <roberth@users.noreply.github.com>
2021-12-09 15:26:46 +00:00
needLocalStore "“--eval-store” doesn't achieve much with the daemon"
Allow running all the tests with the daemon When `NIX_DAEMON_PACKAGE` is set, make all the tests use the Nix daemon. That way we can test every piece of Nix functionality both with and without the daemon. Tests for which using the daemon isn’t possible or doesn’t make sens can selectively be disabled with `needLocalStore`
2021-07-26 04:54:55 +00:00
Add --eval-store test
2021-07-27 09:17:56 +00:00
eval_store=$TEST_ROOT/eval-store
clearStore
rm -rf "$eval_store"
nix build -f dependencies.nix --eval-store "$eval_store" -o "$TEST_ROOT/result"
[[ -e $TEST_ROOT/result/foobar ]]
(! ls $NIX_STORE_DIR/*.drv)
ls $eval_store/nix/store/*.drv
clearStore
rm -rf "$eval_store"
nix-instantiate dependencies.nix --eval-store "$eval_store"
(! ls $NIX_STORE_DIR/*.drv)
ls $eval_store/nix/store/*.drv
clearStore
rm -rf "$eval_store"
nix-build dependencies.nix --eval-store "$eval_store" -o "$TEST_ROOT/result"
[[ -e $TEST_ROOT/result/foobar ]]
(! ls $NIX_STORE_DIR/*.drv)
ls $eval_store/nix/store/*.drv
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