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619cc4af85
If the user invokes nix with --trace-function-calls it means that they want to see the trace.
86 lines
2.1 KiB
Bash
Executable File
86 lines
2.1 KiB
Bash
Executable File
source common.sh
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set +x
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expect_trace() {
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expr="$1"
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expect="$2"
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actual=$(
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nix-instantiate \
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--trace-function-calls \
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--expr "$expr" 2>&1 \
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| grep "function-trace" \
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| sed -e 's/ [0-9]*$//'
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);
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echo -n "Tracing expression '$expr'"
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set +e
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msg=$(diff -swB \
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<(echo "$expect") \
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<(echo "$actual")
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);
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result=$?
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set -e
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if [ $result -eq 0 ]; then
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echo " ok."
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else
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echo " failed. difference:"
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echo "$msg"
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return $result
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fi
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}
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# failure inside a tryEval
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expect_trace 'builtins.tryEval (throw "example")' "
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function-trace entered undefined position at
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function-trace exited undefined position at
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function-trace entered (string):1:1 at
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function-trace entered (string):1:19 at
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function-trace exited (string):1:19 at
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function-trace exited (string):1:1 at
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"
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# Missing argument to a formal function
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expect_trace '({ x }: x) { }' "
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function-trace entered undefined position at
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function-trace exited undefined position at
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function-trace entered (string):1:1 at
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function-trace exited (string):1:1 at
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"
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# Too many arguments to a formal function
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expect_trace '({ x }: x) { x = "x"; y = "y"; }' "
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function-trace entered undefined position at
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function-trace exited undefined position at
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function-trace entered (string):1:1 at
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function-trace exited (string):1:1 at
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"
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# Not enough arguments to a lambda
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expect_trace '(x: y: x + y) 1' "
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function-trace entered undefined position at
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function-trace exited undefined position at
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function-trace entered (string):1:1 at
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function-trace exited (string):1:1 at
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"
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# Too many arguments to a lambda
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expect_trace '(x: x) 1 2' "
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function-trace entered undefined position at
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function-trace exited undefined position at
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function-trace entered (string):1:1 at
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function-trace exited (string):1:1 at
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function-trace entered (string):1:1 at
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function-trace exited (string):1:1 at
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"
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# Not a function
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expect_trace '1 2' "
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function-trace entered undefined position at
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function-trace exited undefined position at
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function-trace entered (string):1:1 at
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function-trace exited (string):1:1 at
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"
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set -e
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