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104 lines
3.4 KiB
104 lines
3.4 KiB
describe("parse", function()
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local parse
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setup(function() parse = require"util.argparse".parse; end);
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it("works", function()
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-- basic smoke test
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local opts = parse({ "--help" });
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assert.same({ help = true }, opts);
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end);
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it("returns if no args", function() assert.same({}, parse({})); end);
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it("supports boolean flags", function()
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local opts, err = parse({ "--foo"; "--no-bar" });
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assert.falsy(err);
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assert.same({ foo = true; bar = false }, opts);
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end);
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it("consumes input until the first argument", function()
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local arg = { "--foo"; "bar"; "--baz" };
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local opts, err = parse(arg);
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assert.falsy(err);
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assert.same({ foo = true, "bar", "--baz" }, opts);
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assert.same({ "bar"; "--baz" }, arg);
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end);
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it("allows continuation beyond first positional argument", function()
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local arg = { "--foo"; "bar"; "--baz" };
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local opts, err = parse(arg, { stop_on_positional = false });
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assert.falsy(err);
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assert.same({ foo = true, baz = true, "bar" }, opts);
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-- All input should have been consumed:
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assert.same({ }, arg);
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end);
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it("expands short options", function()
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do
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local opts, err = parse({ "--foo"; "-b" }, { short_params = { b = "bar" } });
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assert.falsy(err);
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assert.same({ foo = true; bar = true }, opts);
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end
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do
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-- Same test with strict mode enabled and all parameters declared
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local opts, err = parse({ "--foo"; "-b" }, { kv_params = { foo = true, bar = true }; short_params = { b = "bar" }, strict = true });
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assert.falsy(err);
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assert.same({ foo = true; bar = true }, opts);
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end
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end);
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it("supports value arguments", function()
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local opts, err = parse({ "--foo"; "bar"; "--baz=moo" }, { value_params = { foo = true; bar = true } });
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assert.falsy(err);
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assert.same({ foo = "bar"; baz = "moo" }, opts);
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end);
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it("supports value arguments in strict mode", function()
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local opts, err = parse({ "--foo"; "bar"; "--baz=moo" }, { strict = true, value_params = { foo = true; baz = true } });
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assert.falsy(err);
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assert.same({ foo = "bar"; baz = "moo" }, opts);
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end);
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it("demands values for value params", function()
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local opts, err, where = parse({ "--foo" }, { value_params = { foo = true } });
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assert.falsy(opts);
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assert.equal("missing-value", err);
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assert.equal("--foo", where);
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end);
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it("reports where the problem is", function()
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local opts, err, where = parse({ "-h" });
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assert.falsy(opts);
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assert.equal("param-not-found", err);
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assert.equal("-h", where, "returned where");
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end);
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it("supports array arguments", function ()
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do
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local opts, err = parse({ "--item"; "foo"; "--item"; "bar" }, { array_params = { item = true } });
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assert.falsy(err);
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assert.same({"foo","bar"}, opts.item);
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end
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do
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-- Same test with strict mode enabled
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local opts, err = parse({ "--item"; "foo"; "--item"; "bar" }, { array_params = { item = true }, strict = true });
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assert.falsy(err);
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assert.same({"foo","bar"}, opts.item);
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end
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end)
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it("rejects unknown parameters in strict mode", function ()
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local opts, err, err2 = parse({ "--item"; "foo"; "--item"; "bar", "--foobar" }, { array_params = { item = true }, strict = true });
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assert.falsy(opts);
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assert.same("param-not-found", err);
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assert.same("--foobar", err2);
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end);
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it("accepts known kv parameters in strict mode", function ()
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local opts, err = parse({ "--item=foo" }, { kv_params = { item = true }, strict = true });
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assert.falsy(err);
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assert.same("foo", opts.item);
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end);
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end);
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