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68c81c7375
I think it is bad for these reasons when `tests/` contains a mix of functional and integration tests - Concepts is harder to understand, the documentation makes a good unit vs functional vs integration distinction, but when the integration tests are just two subdirs within `tests/` this is not clear. - Source filtering in the `flake.nix` is more complex. We need to filter out some of the dirs from `tests/`, rather than simply pick the dirs we want and take all of them. This is a good sign the structure of what we are trying to do is not matching the structure of the files. With this change we have a clean: ```shell-session $ git show 'HEAD:tests' tree HEAD:tests functional/ installer/ nixos/ ```
60 lines
1.5 KiB
Bash
60 lines
1.5 KiB
Bash
source common.sh
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clearStore
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lockFifo1=$TEST_ROOT/test1.fifo
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mkfifo "$lockFifo1"
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drvPath1=$(nix-instantiate gc-concurrent.nix -A test1 --argstr lockFifo "$lockFifo1")
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outPath1=$(nix-store -q $drvPath1)
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drvPath2=$(nix-instantiate gc-concurrent.nix -A test2)
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outPath2=$(nix-store -q $drvPath2)
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drvPath3=$(nix-instantiate simple.nix)
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outPath3=$(nix-store -r $drvPath3)
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(! test -e $outPath3.lock)
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touch $outPath3.lock
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rm -f "$NIX_STATE_DIR"/gcroots/foo*
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ln -s $drvPath2 "$NIX_STATE_DIR"/gcroots/foo
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ln -s $outPath3 "$NIX_STATE_DIR"/gcroots/foo2
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# Start build #1 in the background. It starts immediately.
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nix-store -rvv "$drvPath1" &
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pid1=$!
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# Wait for the build of $drvPath1 to start
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cat $lockFifo1
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# Run the garbage collector while the build is running.
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nix-collect-garbage
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# Unlock the build of $drvPath1
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echo "" > $lockFifo1
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echo waiting for pid $pid1 to finish...
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wait $pid1
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# Check that the root of build #1 and its dependencies haven't been
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# deleted. The should not be deleted by the GC because they were
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# being built during the GC.
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cat $outPath1/foobar
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cat $outPath1/input-2/bar
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# Check that the build build $drvPath2 succeeds.
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# It should succeed because the derivation is a GC root.
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nix-store -rvv "$drvPath2"
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cat $outPath2/foobar
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rm -f "$NIX_STATE_DIR"/gcroots/foo*
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# The collector should have deleted lock files for paths that have
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# been built previously.
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(! test -e $outPath3.lock)
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# If we run the collector now, it should delete outPath1/2.
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nix-collect-garbage
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(! test -e $outPath1)
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(! test -e $outPath2)
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