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2023-03-16Cleanup test skippingJohn Ericson
- Try not to put cryptic "99" in many places Factor out `exit 99` into `skipTest` function - Alows make sure skipping a test is done with a reason `skipTest` takes a mandatory argument - Separate pure conditionals vs side-effectful test skipping. "require daemon" already had this, but "sandbox support" did not.
2023-03-08Harden tests' bashJohn Ericson
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>
2022-06-22Enable/fix tests in nix-staticEelco Dolstra
pkgsStatic is apparently considered a cross environment, so checkPhase and installCheckPhase are disabled even when we ask for them.
2021-02-24Initialize plugins after handling initial command line flagsShea Levy
This is technically a breaking change, since attempting to set plugin files after the first non-flag argument will now throw an error. This is acceptable given the relative lack of stability in a plugin interface and the need to tie the knot somewhere once plugins can actually define new subcommands.
2019-11-27nix: Add --expr flagEelco Dolstra
This replaces the '(...)' installable syntax, which is not very discoverable. The downside is that you can't have multiple expressions or mix expressions and other installables.
2018-02-13Allow plugins to define new settings.Shea Levy
2018-02-13Fix plugin tests on darwinShea Levy
2018-02-08Allow using RegisterPrimop to define constants.Shea Levy
This enables plugins to add new constants, as well as new primops.
2018-02-08Add plugins to make Nix more extensible.Shea Levy
All plugins in plugin-files will be dlopened, allowing them to statically construct instances of the various Register* types Nix supports.