forked from lix-project/lix
133 lines
3.6 KiB
Bash
133 lines
3.6 KiB
Bash
source common.sh
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testDir="$PWD"
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cd "$TEST_ROOT"
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replCmds="
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simple = 1
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simple = import $testDir/simple.nix
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:bl simple
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:log simple
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"
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replFailingCmds="
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failing = import $testDir/simple-failing.nix
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:b failing
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:log failing
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"
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replUndefinedVariable="
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import $testDir/undefined-variable.nix
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"
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testRepl () {
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local nixArgs=("$@")
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rm -rf repl-result-out || true # cleanup from other runs backed by a foreign nix store
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local replOutput="$(nix repl "${nixArgs[@]}" <<< "$replCmds")"
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echo "$replOutput"
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local outPath=$(echo "$replOutput" |&
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grep -o -E "$NIX_STORE_DIR/\w*-simple")
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nix path-info "${nixArgs[@]}" "$outPath"
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[ "$(realpath ./repl-result-out)" == "$outPath" ] || fail "nix repl :bl doesn't make a symlink"
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# run it again without checking the output to ensure the previously created symlink gets overwritten
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nix repl "${nixArgs[@]}" <<< "$replCmds" || fail "nix repl does not work twice with the same inputs"
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# simple.nix prints a PATH during build
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echo "$replOutput" | grepQuiet -s 'PATH=' || fail "nix repl :log doesn't output logs"
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local replOutput="$(nix repl "${nixArgs[@]}" <<< "$replFailingCmds" 2>&1)"
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echo "$replOutput"
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echo "$replOutput" | grepQuiet -s 'This should fail' \
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|| fail "nix repl :log doesn't output logs for a failed derivation"
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local replOutput="$(nix repl --show-trace "${nixArgs[@]}" <<< "$replUndefinedVariable" 2>&1)"
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echo "$replOutput"
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echo "$replOutput" | grepQuiet -s "while evaluating the file" \
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|| fail "nix repl --show-trace doesn't show the trace"
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nix repl "${nixArgs[@]}" --option pure-eval true 2>&1 <<< "builtins.currentSystem" \
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| grep "attribute 'currentSystem' missing"
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nix repl "${nixArgs[@]}" 2>&1 <<< "builtins.currentSystem" \
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| grep "$(nix-instantiate --eval -E 'builtins.currentSystem')"
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}
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# Simple test, try building a drv
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testRepl
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# Same thing (kind-of), but with a remote store.
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testRepl --store "$TEST_ROOT/store?real=$NIX_STORE_DIR"
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testReplResponse () {
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local commands="$1"; shift
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local expectedResponse="$1"; shift
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local response="$(nix repl "$@" <<< "$commands")"
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echo "$response" | grepQuiet -s "$expectedResponse" \
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|| fail "repl command set:
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$commands
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does not respond with:
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$expectedResponse
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but with:
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$response"
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}
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# :a uses the newest version of a symbol
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testReplResponse '
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:a { a = "1"; }
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:a { a = "2"; }
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"result: ${a}"
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' "result: 2"
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# check dollar escaping https://github.com/NixOS/nix/issues/4909
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# note the escaped \,
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# \\
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# because the second argument is a regex
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testReplResponse '
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"$" + "{hi}"
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' '"\\${hi}"'
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testReplResponse '
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drvPath
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' '".*-simple.drv"' \
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$testDir/simple.nix
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testReplResponse '
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drvPath
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' '".*-simple.drv"' \
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--file $testDir/simple.nix --experimental-features 'ca-derivations'
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testReplResponse '
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drvPath
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' '".*-simple.drv"' \
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--file $testDir/simple.nix --extra-experimental-features 'repl-flake ca-derivations'
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mkdir -p flake && cat <<EOF > flake/flake.nix
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{
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outputs = { self }: {
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foo = 1;
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bar.baz = 2;
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changingThing = "beforeChange";
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};
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}
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EOF
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testReplResponse '
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foo + baz
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' "3" \
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./flake ./flake\#bar --experimental-features 'flakes repl-flake'
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# Test the `:reload` mechansim with flakes:
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# - Eval `./flake#changingThing`
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# - Modify the flake
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# - Re-eval it
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# - Check that the result has changed
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replResult=$( (
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echo "changingThing"
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sleep 1 # Leave the repl the time to eval 'foo'
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sed -i 's/beforeChange/afterChange/' flake/flake.nix
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echo ":reload"
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echo "changingThing"
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) | nix repl ./flake --experimental-features 'flakes repl-flake')
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echo "$replResult" | grepQuiet -s beforeChange
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echo "$replResult" | grepQuiet -s afterChange
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