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Makefile revision 1.55 
      1 # $NetBSD: Makefile,v 1.55 2020/04/29 23:15:21 rillig Exp $
      2 #
      3 # Unit tests for make(1)
      4 # The main targets are:
      5 # 
      6 # all:	run all the tests
      7 # test:	run 'all', and compare to expected results
      8 # accept: move generated output to expected results
      9 #
     10 # Adding a test case.  
     11 # Each feature should get its own set of tests in its own suitably
     12 # named makefile (*.mk), with its own set of expected results (*.exp),
     13 # and it should be added to the TESTNAMES list.
     14 # 
     15 
     16 .MAIN: all
     17 
     18 UNIT_TESTS:= ${.PARSEDIR}
     19 .PATH: ${UNIT_TESTS}
     20 
     21 # Each test is in a sub-makefile.
     22 # Keep the list sorted.
     23 TESTNAMES= \
     24 	comment \
     25 	cond-late \
     26 	cond1 \
     27 	cond2 \
     28 	error \
     29 	export \
     30 	export-all \
     31 	export-env \
     32 	doterror \
     33 	dotwait \
     34 	forloop \
     35 	forsubst \
     36 	hash \
     37 	misc \
     38 	moderrs \
     39 	modmatch \
     40 	modmisc \
     41 	modorder \
     42 	modts \
     43 	modword \
     44 	order \
     45 	posix \
     46 	qequals \
     47 	sunshcmd \
     48 	sysv \
     49 	ternary \
     50 	unexport \
     51 	unexport-env \
     52 	varcmd \
     53 	varmisc \
     54 	varmod-edge \
     55 	varquote \
     56 	varshell
     57 
     58 # these tests were broken by referting POSIX chanegs
     59 STRICT_POSIX_TESTS = \
     60 	escape \
     61 	impsrc \
     62 	phony-end \
     63 	posix1 \
     64 	suffixes
     65 
     66 # Override make flags for certain tests
     67 flags.doterror=
     68 flags.order=-j1
     69 
     70 OUTFILES= ${TESTNAMES:S/$/.out/}
     71 
     72 all: ${OUTFILES}
     73 
     74 CLEANFILES += *.rawout *.out *.status *.tmp *.core *.tmp
     75 CLEANFILES += obj*.[och] lib*.a		# posix1.mk
     76 CLEANFILES += issue* .[ab]*		# suffixes.mk
     77 CLEANRECURSIVE += dir dummy		# posix1.mk
     78 
     79 clean:
     80 	rm -f ${CLEANFILES}
     81 .if !empty(CLEANRECURSIVE)
     82 	rm -rf ${CLEANRECURSIVE}
     83 .endif
     84 
     85 TEST_MAKE?= ${.MAKE}
     86 TOOL_SED?= sed
     87 
     88 # ensure consistent results from sort(1)
     89 LC_ALL= C
     90 LANG= C
     91 .export LANG LC_ALL
     92 
     93 # the tests are actually done with sub-makes.
     94 .SUFFIXES: .mk .rawout .out
     95 .mk.rawout:
     96 	@echo ${TEST_MAKE} ${flags.${.TARGET:R}:U-k} -f ${.IMPSRC}
     97 	-@cd ${.OBJDIR} && \
     98 	{ ${TEST_MAKE} ${flags.${.TARGET:R}:U-k} -f ${.IMPSRC} \
     99 	  2>&1 ; echo $$? >${.TARGET:R}.status ; } > ${.TARGET}.tmp
    100 	@mv ${.TARGET}.tmp ${.TARGET}
    101 
    102 # We always pretend .MAKE was called 'make' 
    103 # and strip ${.CURDIR}/ from the output
    104 # and replace anything after 'stopped in' with unit-tests
    105 # so the results can be compared.
    106 .rawout.out:
    107 	@echo postprocess ${.TARGET}
    108 	@${TOOL_SED} -e 's,^${TEST_MAKE:T:C/\./\\\./g}[][0-9]*:,make:,' \
    109 	  -e 's,${TEST_MAKE:C/\./\\\./g},make,' \
    110 	  -e '/stopped/s, /.*, unit-tests,' \
    111 	  -e 's,${.CURDIR:C/\./\\\./g}/,,g' \
    112 	  -e 's,${UNIT_TESTS:C/\./\\\./g}/,,g' \
    113 	  < ${.IMPSRC} > ${.TARGET}.tmp
    114 	@echo "exit status `cat ${.TARGET:R}.status`" >> ${.TARGET}.tmp
    115 	@mv ${.TARGET}.tmp ${.TARGET}
    116 
    117 # Compare all output files
    118 test:	${OUTFILES} .PHONY
    119 	@failed= ; \
    120 	for test in ${TESTNAMES}; do \
    121 	  diff -u ${UNIT_TESTS}/$${test}.exp $${test}.out \
    122 	  || failed="$${failed}$${failed:+ }$${test}" ; \
    123 	done ; \
    124 	if [ -n "$${failed}" ]; then \
    125 	  echo "Failed tests: $${failed}" ; false ; \
    126 	else \
    127 	  echo "All tests passed" ; \
    128 	fi
    129 
    130 accept:
    131 	@for test in ${TESTNAMES}; do \
    132 	  cmp -s ${UNIT_TESTS}/$${test}.exp $${test}.out \
    133 	  || { echo "Replacing $${test}.exp" ; \
    134 	       cp $${test}.out ${UNIT_TESTS}/$${test}.exp ; } \
    135 	done
    136 
    137 .if exists(${TEST_MAKE})
    138 ${TESTNAMES:S/$/.rawout/}: ${TEST_MAKE}
    139 .endif
    140 
    141 .-include <bsd.obj.mk>
    142