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util.argparse: Add strict mode + tests

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This commit is contained in:
Matthew Wild 2025-02-17 18:24:23 +00:00
parent 79381510cf
commit 43be6cb1c6
2 changed files with 56 additions and 9 deletions
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52
spec/util_argparse_spec.lua
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@ -24,10 +24,28 @@ describe("parse", function()
assert.same({ "bar"; "--baz" }, arg);
end);
it("expands short options", function()
local opts, err = parse({ "--foo"; "-b" }, { short_params = { b = "bar" } });
it("allows continuation beyond first positional argument", function()
local arg = { "--foo"; "bar"; "--baz" };
local opts, err = parse(arg, { stop_on_positional = false });
assert.falsy(err);
assert.same({ foo = true; bar = true }, opts);
assert.same({ foo = true, baz = true, "bar" }, opts);
-- All input should have been consumed:
assert.same({ }, arg);
end);
it("expands short options", function()
do
local opts, err = parse({ "--foo"; "-b" }, { short_params = { b = "bar" } });
assert.falsy(err);
assert.same({ foo = true; bar = true }, opts);
end
do
-- Same test with strict mode enabled and all parameters declared
local opts, err = parse({ "--foo"; "-b" }, { kv_params = { foo = true, bar = true }; short_params = { b = "bar" }, strict = true });
assert.falsy(err);
assert.same({ foo = true; bar = true }, opts);
end
end);
it("supports value arguments", function()
@ -51,8 +69,30 @@ describe("parse", function()
end);
it("supports array arguments", function ()
local opts, err = parse({ "--item"; "foo"; "--item"; "bar" }, { array_params = { item = true } });
assert.falsy(err);
assert.same({"foo","bar"}, opts.item);
do
local opts, err = parse({ "--item"; "foo"; "--item"; "bar" }, { array_params = { item = true } });
assert.falsy(err);
assert.same({"foo","bar"}, opts.item);
end
do
-- Same test with strict mode enabled
local opts, err = parse({ "--item"; "foo"; "--item"; "bar" }, { array_params = { item = true }, strict = true });
assert.falsy(err);
assert.same({"foo","bar"}, opts.item);
end
end)
it("rejects unknown parameters in strict mode", function ()
local opts, err, err2 = parse({ "--item"; "foo"; "--item"; "bar", "--foobar" }, { array_params = { item = true }, strict = true });
assert.falsy(opts);
assert.same("param-not-found", err);
assert.same("--foobar", err2);
end);
it("accepts known kv parameters in strict mode", function ()
local opts, err = parse({ "--item=foo" }, { kv_params = { item = true }, strict = true });
assert.falsy(err);
assert.same("foo", opts.item);
end);
end);