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https://github.com/NixOS/nix
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d46f741cdf
This never worked and cannot work because in pure eval mode, the evaluator doesn't have access to the file.
68 lines
2.6 KiB
Bash
Executable file
68 lines
2.6 KiB
Bash
Executable file
#!/usr/bin/env bash
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source common.sh
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clearStoreIfPossible
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testStdinHeredoc=$(nix eval -f - <<EOF
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{
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bar = 3 + 1;
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foo = 2 + 2;
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}
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EOF
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)
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[[ $testStdinHeredoc == '{ bar = 4; foo = 4; }' ]]
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nix eval --expr 'assert 1 + 2 == 3; true'
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[[ $(nix eval int -f "./eval.nix") == 123 ]]
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[[ $(nix eval str -f "./eval.nix") == '"foo\nbar"' ]]
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[[ $(nix eval str --raw -f "./eval.nix") == $'foo\nbar' ]]
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[[ "$(nix eval attr -f "./eval.nix")" == '{ foo = "bar"; }' ]]
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[[ $(nix eval attr --json -f "./eval.nix") == '{"foo":"bar"}' ]]
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[[ $(nix eval int -f - < "./eval.nix") == 123 ]]
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[[ "$(nix eval --expr '{"assert"=1;bar=2;}')" == '{ "assert" = 1; bar = 2; }' ]]
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# Check if toFile can be utilized during restricted eval
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[[ $(nix eval --restrict-eval --expr 'import (builtins.toFile "source" "42")') == 42 ]]
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nix-instantiate --eval -E 'assert 1 + 2 == 3; true'
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[[ $(nix-instantiate -A int --eval "./eval.nix") == 123 ]]
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[[ $(nix-instantiate -A str --eval "./eval.nix") == '"foo\nbar"' ]]
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[[ $(nix-instantiate -A str --raw --eval "./eval.nix") == $'foo\nbar' ]]
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[[ "$(nix-instantiate -A attr --eval "./eval.nix")" == '{ foo = "bar"; }' ]]
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[[ $(nix-instantiate -A attr --eval --json "./eval.nix") == '{"foo":"bar"}' ]]
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[[ $(nix-instantiate -A int --eval - < "./eval.nix") == 123 ]]
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[[ "$(nix-instantiate --eval -E '{"assert"=1;bar=2;}')" == '{ "assert" = 1; bar = 2; }' ]]
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# Check that symlink cycles don't cause a hang.
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ln -sfn cycle.nix "$TEST_ROOT/cycle.nix"
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(! nix eval --file "$TEST_ROOT/cycle.nix")
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# --file and --pure-eval don't mix.
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expectStderr 1 nix eval --pure-eval --file "$TEST_ROOT/cycle.nix" | grepQuiet "not compatible"
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# Check that relative symlinks are resolved correctly.
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mkdir -p "$TEST_ROOT/xyzzy" "$TEST_ROOT/foo"
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ln -sfn ../xyzzy "$TEST_ROOT/foo/bar"
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printf 123 > "$TEST_ROOT/xyzzy/default.nix"
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[[ $(nix eval --impure --expr "import $TEST_ROOT/foo/bar") = 123 ]]
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# Test --arg-from-file.
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[[ "$(nix eval --raw --arg-from-file foo "${config_nix}" --expr '{ foo }: { inherit foo; }' foo)" = "$(cat "${config_nix}")" ]]
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# Check that special(-ish) files are drained.
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if [[ -e /proc/version ]]; then
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[[ "$(nix eval --raw --arg-from-file foo /proc/version --expr '{ foo }: { inherit foo; }' foo)" = "$(cat /proc/version)" ]]
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fi
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# Test --arg-from-stdin.
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[[ "$(echo bla | nix eval --raw --arg-from-stdin foo --expr '{ foo }: { inherit foo; }' foo)" = bla ]]
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# Test that unknown settings are warned about
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out="$(expectStderr 0 nix eval --option foobar baz --expr '""' --raw)"
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[[ "$(echo "$out" | grep -c foobar)" = 1 ]]
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# Test flag alias
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out="$(nix eval --expr '{}' --build-cores 1)"
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[[ "$(echo "$out" | wc -l)" = 1 ]]
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