nix/tests/functional/remote-store.sh
Valentin Gagarin 33ca905cdb tests: simplify initialisation and wiring
pararameterisation is not actually needed the way things are currently
set up, and it confused me when trying to understand what the code does.

all but one test sources vars-and-functions.sh, which nominally only
defines variables, but in practice is always coupled with the actual
initialisation. while the cleaner way of making this more legible would
be to source variables and initialisation separately, this would produce
a huge diff.

the change requires a few small fixes to keep the tests working:

- only create test home directory during initialisation

  that vars-and-functions.sh wrote to the file system seems not write

- fix creation of the test directory

  due to statefulness, the test home directory was implicitly creating
  the test root, too. decoupling that made it apparent that this was
  probably not intentional, and certainly confusing.

- only source vars-and-functions.sh if init.sh is not needed

  there is one test case that only needs a helper function but no
  initialisation side effects

- remove some unnecessary cleanups and split parts of re-used test code

  there were confusing bits in how initialisation code was repurposed,
  which break if trying to refactor the outer layers naively...
2024-05-13 15:19:49 +02:00

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source common.sh
clearStore
# Ensure "fake ssh" remote store works just as legacy fake ssh would.
nix --store ssh-ng://localhost?remote-store=$TEST_ROOT/other-store doctor
# Ensure that store info trusted works with ssh-ng://
nix --store ssh-ng://localhost?remote-store=$TEST_ROOT/other-store store info --json | jq -e '.trusted'
startDaemon
if isDaemonNewer "2.15pre0"; then
# Ensure that ping works trusted with new daemon
nix store info --json | jq -e '.trusted'
# Suppress grumpiness about multiple nixes on PATH
(nix doctor || true) 2>&1 | grep 'You are trusted by'
else
# And the the field is absent with the old daemon
nix store info --json | jq -e 'has("trusted") | not'
fi
# Test import-from-derivation through the daemon.
[[ $(nix eval --impure --raw --file ./ifd.nix) = hi ]]
NIX_REMOTE_=$NIX_REMOTE $SHELL ./user-envs-test-case.sh
nix-store --gc --max-freed 1K
nix-store --dump-db > $TEST_ROOT/d1
NIX_REMOTE= nix-store --dump-db > $TEST_ROOT/d2
cmp $TEST_ROOT/d1 $TEST_ROOT/d2
killDaemon