nix/tests/why-depends.sh
Théophane Hufschmitt 6a90ef072c Increase the test coverage of why-depends
- Test with `--derivation`
- Actually test with ca-derivations (was suuposedly done, but not
  activated because of a missing line in `local.mk`)
2023-01-02 16:09:03 +01:00

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source common.sh
clearStore
cp ./dependencies.nix ./dependencies.builder0.sh ./config.nix $TEST_HOME
cd $TEST_HOME
nix why-depends --derivation --file ./dependencies.nix input2_drv input1_drv
nix why-depends --file ./dependencies.nix input2_drv input1_drv
nix-build ./dependencies.nix -A input0_drv -o dep
nix-build ./dependencies.nix -o toplevel
FAST_WHY_DEPENDS_OUTPUT=$(nix why-depends ./toplevel ./dep)
PRECISE_WHY_DEPENDS_OUTPUT=$(nix why-depends ./toplevel ./dep --precise)
# Both outputs should show that `input-2` is in the dependency chain
echo "$FAST_WHY_DEPENDS_OUTPUT" | grep -q input-2
echo "$PRECISE_WHY_DEPENDS_OUTPUT" | grep -q input-2
# But only the “precise” one should refere to `reference-to-input-2`
echo "$FAST_WHY_DEPENDS_OUTPUT" | (! grep -q reference-to-input-2)
echo "$PRECISE_WHY_DEPENDS_OUTPUT" | grep -q reference-to-input-2