nix-super/tests/functional/lang.sh

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#!/usr/bin/env bash
source common.sh
set -o pipefail
source characterisation/framework.sh
# specialize function a bit
function diffAndAccept() {
local -r testName="$1"
local -r got="lang/$testName.$2"
local -r expected="lang/$testName.$3"
diffAndAcceptInner "$testName" "$got" "$expected"
}
export TEST_VAR=foo # for eval-okay-getenv.nix
export NIX_REMOTE=dummy://
export NIX_STORE_DIR=/nix/store
nix-instantiate --eval -E 'builtins.trace "Hello" 123' 2>&1 | grepQuiet Hello
nix-instantiate --eval -E 'builtins.trace "Hello" 123' 2>/dev/null | grepQuiet 123
nix-instantiate --eval -E 'builtins.addErrorContext "Hello" 123' 2>&1
nix-instantiate --trace-verbose --eval -E 'builtins.traceVerbose "Hello" 123' 2>&1 | grepQuiet Hello
nix-instantiate --eval -E 'builtins.traceVerbose "Hello" 123' 2>&1 | grepQuietInverse Hello
nix-instantiate --show-trace --eval -E 'builtins.addErrorContext "Hello" 123' 2>&1 | grepQuietInverse Hello
expectStderr 1 nix-instantiate --show-trace --eval -E 'builtins.addErrorContext "Hello" (throw "Foo")' | grepQuiet Hello
expectStderr 1 nix-instantiate --show-trace --eval -E 'builtins.addErrorContext "Hello %" (throw "Foo")' | grepQuiet 'Hello %'
# Relies on parsing the expression derivation as a derivation, can't use --eval
expectStderr 1 nix-instantiate --show-trace lang/non-eval-fail-bad-drvPath.nix | grepQuiet "store path '8qlfcic10lw5304gqm8q45nr7g7jl62b-cachix-1.7.3-bin' is not a valid derivation path"
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nix-instantiate --eval -E 'let x = builtins.trace { x = x; } true; in x' \
2>&1 | grepQuiet -E 'trace: { x = «potential infinite recursion»; }'
nix-instantiate --eval -E 'let x = { repeating = x; tracing = builtins.trace x true; }; in x.tracing'\
2>&1 | grepQuiet -F 'trace: { repeating = «repeated»; tracing = «potential infinite recursion»; }'
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nix-instantiate --eval -E 'builtins.warn "Hello" 123' 2>&1 | grepQuiet 'warning: Hello'
nix-instantiate --eval -E 'builtins.addErrorContext "while doing ${"something"} interesting" (builtins.warn "Hello" 123)' 2>/dev/null | grepQuiet 123
# warn does not accept non-strings for now
expectStderr 1 nix-instantiate --eval -E 'let x = builtins.warn { x = x; } true; in x' \
| grepQuiet "expected a string but found a set"
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expectStderr 1 nix-instantiate --eval --abort-on-warn -E 'builtins.warn "Hello" 123' | grepQuiet Hello
NIX_ABORT_ON_WARN=1 expectStderr 1 nix-instantiate --eval -E 'builtins.addErrorContext "while doing ${"something"} interesting" (builtins.warn "Hello" 123)' | grepQuiet "while doing something interesting"
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set +x
badDiff=0
badExitCode=0
for i in lang/parse-fail-*.nix; do
echo "parsing $i (should fail)";
i=$(basename "$i" .nix)
if expectStderr 1 nix-instantiate --parse - < "lang/$i.nix" > "lang/$i.err"
then
diffAndAccept "$i" err err.exp
else
echo "FAIL: $i shouldn't parse"
badExitCode=1
fi
done
for i in lang/parse-okay-*.nix; do
echo "parsing $i (should succeed)";
i=$(basename "$i" .nix)
if
expect 0 nix-instantiate --parse - < "lang/$i.nix" \
1> "lang/$i.out" \
2> "lang/$i.err"
then
sed "s!$(pwd)!/pwd!g" "lang/$i.out" "lang/$i.err"
diffAndAccept "$i" out exp
diffAndAccept "$i" err err.exp
else
echo "FAIL: $i should parse"
badExitCode=1
fi
done
for i in lang/eval-fail-*.nix; do
echo "evaluating $i (should fail)";
i=$(basename "$i" .nix)
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flags="$(
if [[ -e "lang/$i.flags" ]]; then
sed -e 's/#.*//' < "lang/$i.flags"
else
# note that show-trace is also set by common/init.sh
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echo "--eval --strict --show-trace"
fi
)"
if
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expectStderr 1 nix-instantiate $flags "lang/$i.nix" \
| sed "s!$(pwd)!/pwd!g" > "lang/$i.err"
then
diffAndAccept "$i" err err.exp
else
echo "FAIL: $i shouldn't evaluate"
badExitCode=1
fi
done
for i in lang/eval-okay-*.nix; do
echo "evaluating $i (should succeed)";
i=$(basename "$i" .nix)
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if test -e "lang/$i.exp.xml"; then
if expect 0 nix-instantiate --eval --xml --no-location --strict \
"lang/$i.nix" > "lang/$i.out.xml"
then
diffAndAccept "$i" out.xml exp.xml
else
echo "FAIL: $i should evaluate"
badExitCode=1
fi
elif test ! -e "lang/$i.exp-disabled"; then
declare -a flags=()
if test -e "lang/$i.flags"; then
read -r -a flags < "lang/$i.flags"
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fi
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if
expect 0 env \
NIX_PATH=lang/dir3:lang/dir4 \
HOME=/fake-home \
nix-instantiate "${flags[@]}" --eval --strict "lang/$i.nix" \
1> "lang/$i.out" \
2> "lang/$i.err"
then
sed -i "s!$(pwd)!/pwd!g" "lang/$i.out" "lang/$i.err"
diffAndAccept "$i" out exp
diffAndAccept "$i" err err.exp
else
echo "FAIL: $i should evaluate"
badExitCode=1
fi
fi
done
characterisationTestExit