438 lines
16 KiB
OCaml
438 lines
16 KiB
OCaml
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(*---------------------------------------------------------------------------
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Copyright (c) 2025 The cmdliner programmers. All rights reserved.
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SPDX-License-Identifier: ISC
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---------------------------------------------------------------------------*)
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open B0_std
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open B0_testing
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open Cmdliner
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open Cmdliner.Term.Syntax
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(* The tests have the following structure:
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let test =
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let cmd = … (* A command definition *) in
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(* A few snapshots of valid cli parses *)
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parse …
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(* A few snapshots of invalid cli parses *)
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error …
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(* A snapshot of a plain text version of the manual *)
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Testing_cmdliner.snap_man … *)
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(* Positional arguments *)
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let test_pos_all =
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Test.test "Arg.pos_all" @@ fun () ->
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let cmd =
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Cmd.make (Cmd.info "test_pos_all" ~doc:"Test pos all") @@
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let+ all = Arg.(value & pos_all string [] & info [] ~docv:"THEARG") in
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all
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in
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let parse = Testing_cmdliner.snap_parse Test.T.(list string) cmd in
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let error err = Testing_cmdliner.snap_eval_error err cmd in
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parse [] @@ __POS_OF__ [];
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parse ["0"] @@ __POS_OF__ ["0"];
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parse ["--"; "0"] @@ __POS_OF__ ["0"];
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parse ["0";"1"] @@ __POS_OF__ ["0"; "1"];
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parse ["0";"--"; "1"] @@ __POS_OF__ ["0"; "1"];
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(**)
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error `Term ["--opt"] @@ __POS_OF__
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"Usage: \u{001B}[01mtest_pos_all\u{001B}[m [\u{001B}[01m--help\u{001B}[m] [\u{001B}[04mOPTION\u{001B}[m]… [\u{001B}[04mTHEARG\u{001B}[m]…\n\
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test_pos_all: \u{001B}[31munknown\u{001B}[m option \u{001B}[01m--opt\u{001B}[m\n";
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(**)
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Testing_cmdliner.snap_man cmd @@ __POS_OF__
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{|NAME
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test_pos_all - Test pos all
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SYNOPSIS
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test_pos_all [OPTION]… [THEARG]…
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COMMON OPTIONS
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--help[=FMT] (default=auto)
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Show this help in format FMT. The value FMT must be one of auto,
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pager, groff or plain. With auto, the format is pager or plain
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whenever the TERM env var is dumb or undefined.
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EXIT STATUS
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test_pos_all exits with:
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0 on success.
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123 on indiscriminate errors reported on standard error.
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124 on command line parsing errors.
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|};
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()
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let test_pos_left =
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Test.test "Arg.pos_left" @@ fun () ->
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let cmd =
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Cmd.make (Cmd.info "test_pos_left" ~doc:"Test pos left") @@
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let+ left = Arg.(value & pos_left 2 string [] & info [] ~docv:"LEFT") in
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left
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in
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let parse = Testing_cmdliner.snap_parse Test.T.(list string) cmd in
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let error err = Testing_cmdliner.snap_eval_error err cmd in
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parse [] @@ __POS_OF__ [];
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parse ["--"] @@ __POS_OF__ [];
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parse ["0"] @@ __POS_OF__ ["0"];
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parse ["0"; "--"; "1" ] @@ __POS_OF__ ["0"; "1"];
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parse ["0"; "1" ] @@ __POS_OF__ ["0"; "1"];
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(**)
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error `Term ["0"; "1"; "2"] @@ __POS_OF__
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"Usage: \u{001B}[01mtest_pos_left\u{001B}[m [\u{001B}[01m--help\u{001B}[m] [\u{001B}[04mOPTION\u{001B}[m]… [\u{001B}[04mLEFT\u{001B}[m] [\u{001B}[04mLEFT\u{001B}[m]\n\
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test_pos_left: \u{001B}[31mtoo many arguments\u{001B}[m, don't know what to do with \u{001B}[01m2\u{001B}[m\n";
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(**)
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Testing_cmdliner.snap_man cmd @@ __POS_OF__
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{|NAME
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test_pos_left - Test pos left
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SYNOPSIS
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test_pos_left [OPTION]… [LEFT] [LEFT]
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COMMON OPTIONS
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--help[=FMT] (default=auto)
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Show this help in format FMT. The value FMT must be one of auto,
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pager, groff or plain. With auto, the format is pager or plain
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whenever the TERM env var is dumb or undefined.
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EXIT STATUS
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test_pos_left exits with:
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0 on success.
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123 on indiscriminate errors reported on standard error.
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124 on command line parsing errors.
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|};
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()
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let test_pos_req =
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Test.test "Arg.required & Arg.pos" @@ fun () ->
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let cmd =
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Cmd.make (Cmd.info "test_pos_req" ~doc:"Test pos req arguments") @@
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let+ r1 = Arg.(required & pos 0 (some string) None & info [] ~docv:"R1")
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and+ r2 = Arg.(required & pos 1 (some string) None & info [] ~docv:"R2")
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and+ r3 = Arg.(required & pos 2 (some string) None & info [] ~docv:"R3")
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and+ right =
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Arg.(non_empty & pos_right 2 string [] & info [] ~docv:"RIGHT")
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in
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r1, r2, r3, right
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in
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let t = Test.T.(t4 string string string (list string)) in
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let parse = Testing_cmdliner.snap_parse t cmd in
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parse ["r1"; "r2"; "r3"; "r4"] @@ __POS_OF__ ("r1", "r2", "r3", ["r4"]);
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parse ["r1"; "r2"; "r3"; "r4"; "r5"] @@ __POS_OF__
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("r1", "r2", "r3", ["r4"; "r5"]);
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(**)
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let error = Testing_cmdliner.snap_eval_error `Term cmd in
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error [] @@ __POS_OF__
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"Usage: \u{001B}[01mtest_pos_req\u{001B}[m [\u{001B}[01m--help\u{001B}[m] [\u{001B}[04mOPTION\u{001B}[m]… \u{001B}[04mR1\u{001B}[m \u{001B}[04mR2\u{001B}[m \u{001B}[04mR3\u{001B}[m \u{001B}[04mRIGHT\u{001B}[m…\n\
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test_pos_req: required arguments \u{001B}[04mR1\u{001B}[m, \u{001B}[04mR2\u{001B}[m, \u{001B}[04mR3\u{001B}[m, \u{001B}[04mRIGHT\u{001B}[m are \u{001B}[31mmissing\u{001B}[m\n";
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error ["r1"] @@ __POS_OF__
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"Usage: \u{001B}[01mtest_pos_req\u{001B}[m [\u{001B}[01m--help\u{001B}[m] [\u{001B}[04mOPTION\u{001B}[m]… \u{001B}[04mR1\u{001B}[m \u{001B}[04mR2\u{001B}[m \u{001B}[04mR3\u{001B}[m \u{001B}[04mRIGHT\u{001B}[m…\n\
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test_pos_req: required arguments \u{001B}[04mR2\u{001B}[m, \u{001B}[04mR3\u{001B}[m, \u{001B}[04mRIGHT\u{001B}[m are \u{001B}[31mmissing\u{001B}[m\n";
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error ["r1"; "r2"] @@ __POS_OF__
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"Usage: \u{001B}[01mtest_pos_req\u{001B}[m [\u{001B}[01m--help\u{001B}[m] [\u{001B}[04mOPTION\u{001B}[m]… \u{001B}[04mR1\u{001B}[m \u{001B}[04mR2\u{001B}[m \u{001B}[04mR3\u{001B}[m \u{001B}[04mRIGHT\u{001B}[m…\n\
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test_pos_req: required arguments \u{001B}[04mR3\u{001B}[m, \u{001B}[04mRIGHT\u{001B}[m are \u{001B}[31mmissing\u{001B}[m\n";
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error ["r1"; "r2"; "r3"] @@ __POS_OF__
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"Usage: \u{001B}[01mtest_pos_req\u{001B}[m [\u{001B}[01m--help\u{001B}[m] [\u{001B}[04mOPTION\u{001B}[m]… \u{001B}[04mR1\u{001B}[m \u{001B}[04mR2\u{001B}[m \u{001B}[04mR3\u{001B}[m \u{001B}[04mRIGHT\u{001B}[m…\n\
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test_pos_req: required argument \u{001B}[04mRIGHT\u{001B}[m is \u{001B}[31mmissing\u{001B}[m\n";
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(**)
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Testing_cmdliner.snap_man cmd @@ __POS_OF__
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{|NAME
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test_pos_req - Test pos req arguments
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SYNOPSIS
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test_pos_req [OPTION]… R1 R2 R3 RIGHT…
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COMMON OPTIONS
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--help[=FMT] (default=auto)
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Show this help in format FMT. The value FMT must be one of auto,
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pager, groff or plain. With auto, the format is pager or plain
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whenever the TERM env var is dumb or undefined.
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EXIT STATUS
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test_pos_req exits with:
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0 on success.
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123 on indiscriminate errors reported on standard error.
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124 on command line parsing errors.
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|};
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()
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let test_pos_left_right =
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Test.test "Arg.pos_{left,right}" @@ fun () ->
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let cmd =
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Cmd.make (Cmd.info "test_pos" ~doc:"Test pos arguments") @@
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let+ l = Arg.(value & pos_left 2 string [] & info [] ~docv:"LEFT")
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and+ t = Arg.(value & pos 2 string "undefined" & info [] ~docv:"TWO")
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and+ r = Arg.(value & pos_right 2 string [] & info [] ~docv:"RIGHT") in
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(l, t, r)
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in
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let t = Test.T.(t3 (list string) string (list string)) in
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let snap = Testing_cmdliner.snap_parse t cmd in
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snap [] @@ __POS_OF__ ([], "undefined", []);
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snap ["0"] @@ __POS_OF__ (["0"], "undefined", []);
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snap ["0"; "1"] @@ __POS_OF__ (["0"; "1"], "undefined", []);
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snap ["0"; "1"; "2"] @@ __POS_OF__ (["0"; "1"], "2", []);
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snap ["0"; "1"; "2"; "3"] @@ __POS_OF__ (["0"; "1"], "2", ["3"]);
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snap ["0"; "1"; "2"; "3"; "4"] @@ __POS_OF__ (["0"; "1"], "2", ["3"; "4"]);
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(**)
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Testing_cmdliner.snap_man cmd @@ __POS_OF__
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{|NAME
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test_pos - Test pos arguments
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SYNOPSIS
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test_pos [OPTION]… [LEFT] [LEFT] [TWO] [RIGHT]…
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COMMON OPTIONS
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--help[=FMT] (default=auto)
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Show this help in format FMT. The value FMT must be one of auto,
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pager, groff or plain. With auto, the format is pager or plain
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whenever the TERM env var is dumb or undefined.
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EXIT STATUS
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test_pos exits with:
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0 on success.
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123 on indiscriminate errors reported on standard error.
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124 on command line parsing errors.
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|}
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;
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()
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let test_pos_left_right_rev =
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Test.test "Arg.pos_{left,right} ~rev:true" @@ fun () ->
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let cmd =
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Cmd.make (Cmd.info "test_pos" ~doc:"Test pos arguments") @@
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let rev = true in
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let+ l = Arg.(value & pos_left 2 ~rev string [] & info [] ~docv:"LEFT")
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and+ t = Arg.(value & pos 2 ~rev string "undefined" & info [] ~docv:"TWO")
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and+ r = Arg.(value & pos_right 2 ~rev string [] & info [] ~docv:"RIGHT") in
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(l, t, r)
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in
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let t = Test.T.(t3 (list string) string (list string)) in
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let snap = Testing_cmdliner.snap_parse t cmd in
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snap [] @@ __POS_OF__ ([], "undefined", []);
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snap ["0"] @@ __POS_OF__ ([], "undefined", ["0"]);
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snap ["0"; "1"] @@ __POS_OF__ ([], "undefined", ["0"; "1"]);
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snap ["0"; "1"; "2"] @@ __POS_OF__ ([], "0", ["1"; "2"]);
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snap ["0"; "1"; "2"; "3"] @@ __POS_OF__ (["0"], "1", ["2"; "3"]);
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snap ["0"; "1"; "2"; "3"; "4"] @@ __POS_OF__ (["0"; "1"], "2", ["3"; "4"]);
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snap ["0"; "1"; "2"; "3"; "4"; "5"] @@ __POS_OF__
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(["0"; "1"; "2"], "3", ["4"; "5"]);
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(**)
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Testing_cmdliner.snap_man cmd @@ __POS_OF__
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{|NAME
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test_pos - Test pos arguments
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SYNOPSIS
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test_pos [OPTION]… [LEFT]… [TWO] [RIGHT] [RIGHT]
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COMMON OPTIONS
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--help[=FMT] (default=auto)
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Show this help in format FMT. The value FMT must be one of auto,
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pager, groff or plain. With auto, the format is pager or plain
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whenever the TERM env var is dumb or undefined.
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EXIT STATUS
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test_pos exits with:
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0 on success.
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123 on indiscriminate errors reported on standard error.
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124 on command line parsing errors.
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|};
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()
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(* Optional arguments *)
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let test_opt_required =
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Test.test "Arg.required & Arg.opt" @@ fun () ->
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let cmd =
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let doc = "Test optional required arguments (don't do this)" in
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Cmd.make (Cmd.info "test_opt_req" ~doc) @@
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let+ req =
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Arg.(required & opt (some string) None & info ["r"; "req"] ~docv:"ARG")
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in
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req
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in
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let snap = Testing_cmdliner.snap_parse Test.T.string cmd in
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snap ["-ra"] @@ __POS_OF__ "a";
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snap ["--req"; "a"] @@ __POS_OF__ "a";
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(**)
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let error err = Testing_cmdliner.snap_eval_error err cmd in
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error `Parse [] @@ __POS_OF__
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"Usage: \u{001B}[01mtest_opt_req\u{001B}[m [\u{001B}[01m--help\u{001B}[m] \u{001B}[01m--req\u{001B}[m=\u{001B}[04mARG\u{001B}[m [\u{001B}[04mOPTION\u{001B}[m]…\n\
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test_opt_req: required option \u{001B}[01m--req\u{001B}[m is \u{001B}[31mmissing\u{001B}[m\n";
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error `Term ["a"] @@ __POS_OF__
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"Usage: \u{001B}[01mtest_opt_req\u{001B}[m [\u{001B}[01m--help\u{001B}[m] \u{001B}[01m--req\u{001B}[m=\u{001B}[04mARG\u{001B}[m [\u{001B}[04mOPTION\u{001B}[m]…\n\
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test_opt_req: \u{001B}[31mtoo many arguments\u{001B}[m, don't know what to do with \u{001B}[01ma\u{001B}[m\n";
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error `Term ["-ra"; "a"] @@ __POS_OF__
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"Usage: \u{001B}[01mtest_opt_req\u{001B}[m [\u{001B}[01m--help\u{001B}[m] \u{001B}[01m--req\u{001B}[m=\u{001B}[04mARG\u{001B}[m [\u{001B}[04mOPTION\u{001B}[m]…\n\
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test_opt_req: \u{001B}[31mtoo many arguments\u{001B}[m, don't know what to do with \u{001B}[01ma\u{001B}[m\n";
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error `Parse ["-r"] @@ __POS_OF__
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"Usage: \u{001B}[01mtest_opt_req\u{001B}[m [\u{001B}[01m--help\u{001B}[m] \u{001B}[01m--req\u{001B}[m=\u{001B}[04mARG\u{001B}[m [\u{001B}[04mOPTION\u{001B}[m]…\n\
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test_opt_req: option \u{001B}[01m-r\u{001B}[m \u{001B}[31mneeds an argument\u{001B}[m\n";
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(**)
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Testing_cmdliner.snap_man cmd @@ __POS_OF__
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{|NAME
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test_opt_req - Test optional required arguments (don't do this)
|
||
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SYNOPSIS
|
||
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test_opt_req --req=ARG [OPTION]…
|
||
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|
||
|
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OPTIONS
|
||
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|
-r ARG, --req=ARG (required)
|
||
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|
||
|
|
COMMON OPTIONS
|
||
|
|
--help[=FMT] (default=auto)
|
||
|
|
Show this help in format FMT. The value FMT must be one of auto,
|
||
|
|
pager, groff or plain. With auto, the format is pager or plain
|
||
|
|
whenever the TERM env var is dumb or undefined.
|
||
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|
||
|
|
EXIT STATUS
|
||
|
|
test_opt_req exits with:
|
||
|
|
|
||
|
|
0 on success.
|
||
|
|
|
||
|
|
123 on indiscriminate errors reported on standard error.
|
||
|
|
|
||
|
|
124 on command line parsing errors.
|
||
|
|
|};
|
||
|
|
()
|
||
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|
||
|
|
let test_arg_info_docv =
|
||
|
|
Test.test "Arg.info default's docv on strings" @@ fun () ->
|
||
|
|
let cmd =
|
||
|
|
Cmd.make (Cmd.info "test_arg_docv" ~doc:"Test pos all") @@
|
||
|
|
let+ all = Arg.(value & pos_all string [] & info [])
|
||
|
|
and+ opt = Arg.(value & opt string "bla" & info ["field"]) in
|
||
|
|
all, opt
|
||
|
|
in
|
||
|
|
let error err = Testing_cmdliner.snap_eval_error err cmd in
|
||
|
|
(**)
|
||
|
|
error `Term ["-z"; "a"] @@ __POS_OF__
|
||
|
|
"Usage: \u{001B}[01mtest_arg_docv\u{001B}[m [\u{001B}[01m--help\u{001B}[m] [\u{001B}[01m--field\u{001B}[m=\u{001B}[04mVAL\u{001B}[m] [\u{001B}[04mOPTION\u{001B}[m]… [\u{001B}[04mARG\u{001B}[m]…\n\
|
||
|
|
test_arg_docv: \u{001B}[31munknown\u{001B}[m option \u{001B}[01m-z\u{001B}[m\n";
|
||
|
|
(**)
|
||
|
|
Testing_cmdliner.snap_man cmd @@ __POS_OF__
|
||
|
|
{|NAME
|
||
|
|
test_arg_docv - Test pos all
|
||
|
|
|
||
|
|
SYNOPSIS
|
||
|
|
test_arg_docv [--field=VAL] [OPTION]… [ARG]…
|
||
|
|
|
||
|
|
OPTIONS
|
||
|
|
--field=VAL (absent=bla)
|
||
|
|
|
||
|
|
COMMON OPTIONS
|
||
|
|
--help[=FMT] (default=auto)
|
||
|
|
Show this help in format FMT. The value FMT must be one of auto,
|
||
|
|
pager, groff or plain. With auto, the format is pager or plain
|
||
|
|
whenever the TERM env var is dumb or undefined.
|
||
|
|
|
||
|
|
EXIT STATUS
|
||
|
|
test_arg_docv exits with:
|
||
|
|
|
||
|
|
0 on success.
|
||
|
|
|
||
|
|
123 on indiscriminate errors reported on standard error.
|
||
|
|
|
||
|
|
124 on command line parsing errors.
|
||
|
|
|};
|
||
|
|
()
|
||
|
|
|
||
|
|
let test_conv_docv =
|
||
|
|
Test.test "Arg.Conv.docv" @@ fun () ->
|
||
|
|
let cmd =
|
||
|
|
let field = Arg.Conv.of_conv Arg.string ~docv:"FIELD" in
|
||
|
|
Cmd.make (Cmd.info "test_conv_docv" ~doc:"Test conv docv") @@
|
||
|
|
let+ all = Arg.(value & pos_all field [] & info [])
|
||
|
|
and+ opt = Arg.(value & opt field "bla" & info ["field"]) in
|
||
|
|
all, opt
|
||
|
|
in
|
||
|
|
let error err = Testing_cmdliner.snap_eval_error err cmd in
|
||
|
|
(**)
|
||
|
|
error `Term ["-z"; "a"] @@ __POS_OF__
|
||
|
|
"Usage: \u{001B}[01mtest_conv_docv\u{001B}[m [\u{001B}[01m--help\u{001B}[m] [\u{001B}[01m--field\u{001B}[m=\u{001B}[04mFIELD\u{001B}[m] [\u{001B}[04mOPTION\u{001B}[m]… [\u{001B}[04mFIELD\u{001B}[m]…\n\
|
||
|
|
test_conv_docv: \u{001B}[31munknown\u{001B}[m option \u{001B}[01m-z\u{001B}[m\n";
|
||
|
|
(**)
|
||
|
|
Testing_cmdliner.snap_man cmd @@ __POS_OF__
|
||
|
|
{|NAME
|
||
|
|
test_conv_docv - Test conv docv
|
||
|
|
|
||
|
|
SYNOPSIS
|
||
|
|
test_conv_docv [--field=FIELD] [OPTION]… [FIELD]…
|
||
|
|
|
||
|
|
OPTIONS
|
||
|
|
--field=FIELD (absent=bla)
|
||
|
|
|
||
|
|
COMMON OPTIONS
|
||
|
|
--help[=FMT] (default=auto)
|
||
|
|
Show this help in format FMT. The value FMT must be one of auto,
|
||
|
|
pager, groff or plain. With auto, the format is pager or plain
|
||
|
|
whenever the TERM env var is dumb or undefined.
|
||
|
|
|
||
|
|
EXIT STATUS
|
||
|
|
test_conv_docv exits with:
|
||
|
|
|
||
|
|
0 on success.
|
||
|
|
|
||
|
|
123 on indiscriminate errors reported on standard error.
|
||
|
|
|
||
|
|
124 on command line parsing errors.
|
||
|
|
|};
|
||
|
|
()
|
||
|
|
|
||
|
|
let test_arg_file =
|
||
|
|
Test.test "Arg.file" @@ fun () ->
|
||
|
|
let cmd =
|
||
|
|
Cmd.make (Cmd.info "test_arg_file" ~doc:"Test conv docv") @@
|
||
|
|
let+ all = Arg.(value & pos_all file [] & info []) in
|
||
|
|
all
|
||
|
|
in
|
||
|
|
let error err = Testing_cmdliner.snap_eval_error err cmd in
|
||
|
|
let parse = Testing_cmdliner.snap_parse Test.T.(list string) cmd in
|
||
|
|
parse ["-"] @@ __POS_OF__ ["-"];
|
||
|
|
(**)
|
||
|
|
error `Term ["-z"; "a"] @@ __POS_OF__
|
||
|
|
"Usage: \u{001B}[01mtest_arg_file\u{001B}[m [\u{001B}[01m--help\u{001B}[m] [\u{001B}[04mOPTION\u{001B}[m]… [\u{001B}[04mPATH\u{001B}[m]…\n\
|
||
|
|
test_arg_file: \u{001B}[31munknown\u{001B}[m option \u{001B}[01m-z\u{001B}[m\n";
|
||
|
|
(**)
|
||
|
|
Testing_cmdliner.snap_man cmd @@ __POS_OF__
|
||
|
|
{|NAME
|
||
|
|
test_arg_file - Test conv docv
|
||
|
|
|
||
|
|
SYNOPSIS
|
||
|
|
test_arg_file [OPTION]… [PATH]…
|
||
|
|
|
||
|
|
COMMON OPTIONS
|
||
|
|
--help[=FMT] (default=auto)
|
||
|
|
Show this help in format FMT. The value FMT must be one of auto,
|
||
|
|
pager, groff or plain. With auto, the format is pager or plain
|
||
|
|
whenever the TERM env var is dumb or undefined.
|
||
|
|
|
||
|
|
EXIT STATUS
|
||
|
|
test_arg_file exits with:
|
||
|
|
|
||
|
|
0 on success.
|
||
|
|
|
||
|
|
123 on indiscriminate errors reported on standard error.
|
||
|
|
|
||
|
|
124 on command line parsing errors.
|
||
|
|
|};
|
||
|
|
()
|
||
|
|
|
||
|
|
let main () =
|
||
|
|
let doc = "Test argument specifications" in
|
||
|
|
Test.main ~doc @@ fun () -> Test.autorun ()
|
||
|
|
|
||
|
|
let () = if !Sys.interactive then () else exit (main ())
|