52 lines
1.7 KiB
Bash
Executable File
52 lines
1.7 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Script to rewrite the autogenerated mocks in a unit test between
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# /* AUTOGENERATED MOCKS START */ and /* AUTOGENERATED MOCKS END */
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# based on link failures.
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set -e
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FILE="$1"
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BASE=/tmp/mocktmp.$$.$(echo "$@" | tr / _)
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trap 'mv $BASE.old $FILE; rm -f $BASE.*' EXIT
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START=$(grep -F -n '/* AUTOGENERATED MOCKS START */' "$FILE" | cut -d: -f1)
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END=$(grep -F -n '/* AUTOGENERATED MOCKS END */' "$FILE" | cut -d: -f1)
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function make_binary() {
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# Make sure we don't optimize out options, and we use debug build
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$MAKE SUPPRESS_GENERATION=1 "${FILE/%.c/}" DEBUGBUILD=1 COPTFLAGS="" 2> "${BASE}.err" >/dev/null
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}
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if [ -n "$START" ]; then
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mv "$FILE" "${BASE}.old"
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echo "mocking out ${FILE}:"
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head -n "$START" "${BASE}.old" > "$FILE"
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tail -n +"$END" "${BASE}.old" >> "$FILE"
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# Try to make binary.
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if ! make_binary; then
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# Some linkers (e.g. LLVM's one) don't print all errors. If this is the
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# case, then re-run, asking them to do so. Search for something like
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# this in the output:
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# ld: error: too many errors emitted, stopping now (use -error-limit=0 to see all errors)
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if grep -q 'too many errors emitted.*-error-limit=0' "${BASE}.err"; then
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LDFLAGS=-Wl,-error-limit=0 make_binary || :
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fi
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tools/mockup.sh "$FILE" < "${BASE}.err" >> "${BASE}.stubs"
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# If there are no link errors, maybe compile fail for other reason?
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if ! grep -F -q 'Generated stub for' "${BASE}.stubs"; then
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cat "${BASE}.err"
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exit 1
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fi
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sed -n 's,.*Generated stub for \(.*\) .*, \1,p' < "${BASE}.stubs"
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head -n "$START" "${BASE}.old" > "$FILE"
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cat "${BASE}.stubs" >> "$FILE"
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tail -n +"$END" "${BASE}.old" >> "$FILE"
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else
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echo "...build succeeded without stubs"
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fi
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fi
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# All good.
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rm -f "$BASE".*
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trap "" EXIT
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