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| -rw-r--r-- | regress/infra-unittests/var-precedence.sh | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/regress/infra-unittests/var-precedence.sh b/regress/infra-unittests/var-precedence.sh new file mode 100644 index 00000000000..a12cf823a4d --- /dev/null +++ b/regress/infra-unittests/var-precedence.sh @@ -0,0 +1,70 @@ +#! /bin/sh +# $NetBSD: var-precedence.sh,v 1.1 2020/05/17 13:35:35 rillig Exp $ +# +# Demonstrates how environment variables interact with variables defined +# in the Makefiles and variables defined in the command line. +# +# Everything works exactly as documented in the bmake manual page. +# + +set -eu + +. './test.subr' + +# usage: vartest <testname> <command> <expected> +vartest() { + test_case_begin "$1" || return 0 + + create_file_lines 'var.mk' \ + '.if defined(DEFAULT)' \ + 'VAR?= default' \ + '.endif' \ + '' \ + '.if defined(SET)' \ + 'VAR= set' \ + '.endif' \ + '' \ + '.if defined(APPEND)' \ + 'VAR+= append' \ + '.endif' \ + '' \ + '.if defined(RESET)' \ + '.undef VAR' \ + 'VAR= reset' \ + '.endif' \ + '' \ + 'all:' \ + ' @printf '\''%s\n'\'' '\'\''${VAR:Q}' + + unset DEFAULT SET APPEND VAR + + eval "$2" 1> "$tmpdir/output" 2>&1 \ + && exitcode=0 || exitcode=$? + + assert_that "$exitcode" --equals '0' + assert_that "$tmpdir/output" --file-is-lines \ + "$3" + + test_case_end +} + +vartest 'undefined' ' run_bmake var.mk' '' +vartest 'env' 'VAR=env run_bmake var.mk' 'env' +vartest 'env + flag' 'VAR=env run_bmake var.mk VAR=flag' 'flag' +vartest 'env + default' 'VAR=env run_bmake var.mk DEFAULT=yes' 'env' +vartest 'env + set' 'VAR=env run_bmake var.mk SET=yes' 'set' +vartest 'env + append' 'VAR=env run_bmake var.mk APPEND=yes' 'env append' +vartest 'env + reset' 'VAR=env run_bmake var.mk RESET=yes' 'reset' +vartest 'flag' ' run_bmake var.mk VAR=flag' 'flag' +vartest 'flag + default' ' run_bmake var.mk VAR=flag DEFAULT=yes' 'flag' +vartest 'flag + set' ' run_bmake var.mk VAR=flag SET=yes' 'flag' +vartest 'flag + append' ' run_bmake var.mk VAR=flag APPEND=yes' 'flag' +vartest 'flag + reset' ' run_bmake var.mk VAR=flag RESET=yes' 'flag' + +# The override flag is not used in pkgsrc. +vartest 'env + override' 'VAR=env run_bmake var.mk -e' 'env' +vartest 'env + override + flag' 'VAR=env run_bmake var.mk -e VAR=flag' 'flag' +vartest 'env + override + default' 'VAR=env run_bmake var.mk -e DEFAULT=yes' 'env' +vartest 'env + override + set' 'VAR=env run_bmake var.mk -e SET=yes' 'env' +vartest 'env + override + append' 'VAR=env run_bmake var.mk -e APPEND=yes' 'env' +vartest 'env + override + reset' 'VAR=env run_bmake var.mk -e RESET=yes' 'env' |