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-rwxr-xr-xt/t0040-parse-options.sh255
1 files changed, 255 insertions, 0 deletions
diff --git a/t/t0040-parse-options.sh b/t/t0040-parse-options.sh
index ed2fb620a9..b19b8d3486 100755
--- a/t/t0040-parse-options.sh
+++ b/t/t0040-parse-options.sh
@@ -456,4 +456,259 @@ test_expect_success '--end-of-options treats remainder as args' '
--end-of-options --verbose
'
+test_expect_success 'KEEP_DASHDASH works' '
+ test-tool parse-options-flags --keep-dashdash cmd --opt=1 -- --opt=2 --unknown >actual &&
+ cat >expect <<-\EOF &&
+ opt: 1
+ arg 00: --
+ arg 01: --opt=2
+ arg 02: --unknown
+ EOF
+ test_cmp expect actual
+'
+
+test_expect_success 'KEEP_ARGV0 works' '
+ test-tool parse-options-flags --keep-argv0 cmd arg0 --opt=3 >actual &&
+ cat >expect <<-\EOF &&
+ opt: 3
+ arg 00: cmd
+ arg 01: arg0
+ EOF
+ test_cmp expect actual
+'
+
+test_expect_success 'STOP_AT_NON_OPTION works' '
+ test-tool parse-options-flags --stop-at-non-option cmd --opt=4 arg0 --opt=5 --unknown >actual &&
+ cat >expect <<-\EOF &&
+ opt: 4
+ arg 00: arg0
+ arg 01: --opt=5
+ arg 02: --unknown
+ EOF
+ test_cmp expect actual
+'
+
+test_expect_success 'KEEP_UNKNOWN_OPT works' '
+ test-tool parse-options-flags --keep-unknown-opt cmd --unknown=1 --opt=6 -u2 >actual &&
+ cat >expect <<-\EOF &&
+ opt: 6
+ arg 00: --unknown=1
+ arg 01: -u2
+ EOF
+ test_cmp expect actual
+'
+
+test_expect_success 'NO_INTERNAL_HELP works for -h' '
+ test_expect_code 129 test-tool parse-options-flags --no-internal-help cmd -h 2>err &&
+ cat err &&
+ grep "^error: unknown switch \`h$SQ" err &&
+ grep "^usage: " err
+'
+
+for help_opt in help help-all
+do
+ test_expect_success "NO_INTERNAL_HELP works for --$help_opt" "
+ test_expect_code 129 test-tool parse-options-flags --no-internal-help cmd --$help_opt 2>err &&
+ cat err &&
+ grep '^error: unknown option \`'$help_opt\' err &&
+ grep '^usage: ' err
+ "
+done
+
+test_expect_success 'KEEP_UNKNOWN_OPT | NO_INTERNAL_HELP works' '
+ test-tool parse-options-flags --keep-unknown-opt --no-internal-help cmd -h --help --help-all >actual &&
+ cat >expect <<-\EOF &&
+ opt: 0
+ arg 00: -h
+ arg 01: --help
+ arg 02: --help-all
+ EOF
+ test_cmp expect actual
+'
+
+test_expect_success 'subcommand - no subcommand shows error and usage' '
+ test_expect_code 129 test-tool parse-subcommand cmd 2>err &&
+ grep "^error: need a subcommand" err &&
+ grep ^usage: err
+'
+
+test_expect_success 'subcommand - subcommand after -- shows error and usage' '
+ test_expect_code 129 test-tool parse-subcommand cmd -- subcmd-one 2>err &&
+ grep "^error: need a subcommand" err &&
+ grep ^usage: err
+'
+
+test_expect_success 'subcommand - subcommand after --end-of-options shows error and usage' '
+ test_expect_code 129 test-tool parse-subcommand cmd --end-of-options subcmd-one 2>err &&
+ grep "^error: need a subcommand" err &&
+ grep ^usage: err
+'
+
+test_expect_success 'subcommand - unknown subcommand shows error and usage' '
+ test_expect_code 129 test-tool parse-subcommand cmd nope 2>err &&
+ grep "^error: unknown subcommand: \`nope$SQ" err &&
+ grep ^usage: err
+'
+
+test_expect_success 'subcommand - subcommands cannot be abbreviated' '
+ test_expect_code 129 test-tool parse-subcommand cmd subcmd-o 2>err &&
+ grep "^error: unknown subcommand: \`subcmd-o$SQ$" err &&
+ grep ^usage: err
+'
+
+test_expect_success 'subcommand - no negated subcommands' '
+ test_expect_code 129 test-tool parse-subcommand cmd no-subcmd-one 2>err &&
+ grep "^error: unknown subcommand: \`no-subcmd-one$SQ" err &&
+ grep ^usage: err
+'
+
+test_expect_success 'subcommand - simple' '
+ test-tool parse-subcommand cmd subcmd-two >actual &&
+ cat >expect <<-\EOF &&
+ opt: 0
+ fn: subcmd_two
+ arg 00: subcmd-two
+ EOF
+ test_cmp expect actual
+'
+
+test_expect_success 'subcommand - stop parsing at the first subcommand' '
+ test-tool parse-subcommand cmd --opt=1 subcmd-two subcmd-one --opt=2 >actual &&
+ cat >expect <<-\EOF &&
+ opt: 1
+ fn: subcmd_two
+ arg 00: subcmd-two
+ arg 01: subcmd-one
+ arg 02: --opt=2
+ EOF
+ test_cmp expect actual
+'
+
+test_expect_success 'subcommand - KEEP_ARGV0' '
+ test-tool parse-subcommand --keep-argv0 cmd subcmd-two >actual &&
+ cat >expect <<-\EOF &&
+ opt: 0
+ fn: subcmd_two
+ arg 00: cmd
+ arg 01: subcmd-two
+ EOF
+ test_cmp expect actual
+'
+
+test_expect_success 'subcommand - SUBCOMMAND_OPTIONAL + subcommand not given' '
+ test-tool parse-subcommand --subcommand-optional cmd >actual &&
+ cat >expect <<-\EOF &&
+ opt: 0
+ fn: subcmd_one
+ EOF
+ test_cmp expect actual
+'
+
+test_expect_success 'subcommand - SUBCOMMAND_OPTIONAL + given subcommand' '
+ test-tool parse-subcommand --subcommand-optional cmd subcmd-two branch file >actual &&
+ cat >expect <<-\EOF &&
+ opt: 0
+ fn: subcmd_two
+ arg 00: subcmd-two
+ arg 01: branch
+ arg 02: file
+ EOF
+ test_cmp expect actual
+'
+
+test_expect_success 'subcommand - SUBCOMMAND_OPTIONAL + subcommand not given + unknown dashless args' '
+ test-tool parse-subcommand --subcommand-optional cmd branch file >actual &&
+ cat >expect <<-\EOF &&
+ opt: 0
+ fn: subcmd_one
+ arg 00: branch
+ arg 01: file
+ EOF
+ test_cmp expect actual
+'
+
+test_expect_success 'subcommand - SUBCOMMAND_OPTIONAL + subcommand not given + unknown option' '
+ test_expect_code 129 test-tool parse-subcommand --subcommand-optional cmd --subcommand-opt 2>err &&
+ grep "^error: unknown option" err &&
+ grep ^usage: err
+'
+
+test_expect_success 'subcommand - SUBCOMMAND_OPTIONAL | KEEP_UNKNOWN_OPT + subcommand not given + unknown option' '
+ test-tool parse-subcommand --subcommand-optional --keep-unknown-opt cmd --subcommand-opt >actual &&
+ cat >expect <<-\EOF &&
+ opt: 0
+ fn: subcmd_one
+ arg 00: --subcommand-opt
+ EOF
+ test_cmp expect actual
+'
+
+test_expect_success 'subcommand - SUBCOMMAND_OPTIONAL | KEEP_UNKNOWN_OPT + subcommand ignored after unknown option' '
+ test-tool parse-subcommand --subcommand-optional --keep-unknown-opt cmd --subcommand-opt subcmd-two >actual &&
+ cat >expect <<-\EOF &&
+ opt: 0
+ fn: subcmd_one
+ arg 00: --subcommand-opt
+ arg 01: subcmd-two
+ EOF
+ test_cmp expect actual
+'
+
+test_expect_success 'subcommand - SUBCOMMAND_OPTIONAL | KEEP_UNKNOWN_OPT + command and subcommand options cannot be mixed' '
+ test-tool parse-subcommand --subcommand-optional --keep-unknown-opt cmd --subcommand-opt branch --opt=1 >actual &&
+ cat >expect <<-\EOF &&
+ opt: 0
+ fn: subcmd_one
+ arg 00: --subcommand-opt
+ arg 01: branch
+ arg 02: --opt=1
+ EOF
+ test_cmp expect actual
+'
+
+test_expect_success 'subcommand - SUBCOMMAND_OPTIONAL | KEEP_UNKNOWN_OPT | KEEP_ARGV0' '
+ test-tool parse-subcommand --subcommand-optional --keep-unknown-opt --keep-argv0 cmd --subcommand-opt branch >actual &&
+ cat >expect <<-\EOF &&
+ opt: 0
+ fn: subcmd_one
+ arg 00: cmd
+ arg 01: --subcommand-opt
+ arg 02: branch
+ EOF
+ test_cmp expect actual
+'
+
+test_expect_success 'subcommand - SUBCOMMAND_OPTIONAL | KEEP_UNKNOWN_OPT | KEEP_DASHDASH' '
+ test-tool parse-subcommand --subcommand-optional --keep-unknown-opt --keep-dashdash cmd -- --subcommand-opt file >actual &&
+ cat >expect <<-\EOF &&
+ opt: 0
+ fn: subcmd_one
+ arg 00: --
+ arg 01: --subcommand-opt
+ arg 02: file
+ EOF
+ test_cmp expect actual
+'
+
+test_expect_success 'subcommand - completion helper' '
+ test-tool parse-subcommand cmd --git-completion-helper >actual &&
+ echo "subcmd-one subcmd-two --opt= --no-opt" >expect &&
+ test_cmp expect actual
+'
+
+test_expect_success 'subcommands are incompatible with STOP_AT_NON_OPTION' '
+ test_must_fail test-tool parse-subcommand --stop-at-non-option cmd subcmd-one 2>err &&
+ grep ^BUG err
+'
+
+test_expect_success 'subcommands are incompatible with KEEP_UNKNOWN_OPT unless in combination with SUBCOMMAND_OPTIONAL' '
+ test_must_fail test-tool parse-subcommand --keep-unknown-opt cmd subcmd-two 2>err &&
+ grep ^BUG err
+'
+
+test_expect_success 'subcommands are incompatible with KEEP_DASHDASH unless in combination with SUBCOMMAND_OPTIONAL' '
+ test_must_fail test-tool parse-subcommand --keep-dashdash cmd subcmd-two 2>err &&
+ grep ^BUG err
+'
+
test_done