test/unit/cli/parser.js

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 *
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 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
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 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
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describe("cli", function () {
    var parser = require('./../../../lib/cli/parser'),
        basicArgs = ["node", "ripple"],
        parsed;

    it("can properly parse an argumentless flag as a truthy (boolean)", function () {
        var args = ["--foo"];

        parsed = parser.parse(basicArgs.concat(args));

        expect(parsed).toEqual({
            commands: [],
            options: {"foo": true}
        });
    });

    it("can parse sub commands", function () {
        var subcommands = ["cmd", "subcmd", "subcmd2"];

        parsed = parser.parse(basicArgs.concat(subcommands));

        expect(parsed).toEqual({
            commands: subcommands,
            options: {}
        });
    });

    it("can parse multiple flags with multiple values", function () {
        var multipleFlagsWithMultipleArgs = [
            "cmd", "subcmd", "--a", "b", "c", "--d", "e", "f", "--g", "h"
        ];

        parsed = parser.parse(basicArgs.concat(multipleFlagsWithMultipleArgs));

        expect(parsed).toEqual({
            commands: ["cmd", "subcmd"],
            options: {
                "a": ["b", "c"],
                "d": ["e", "f"],
                "g": "h"
            }
        });
    });

    it("can use map to change the value of the option", function () {
        var multipleFlagsWithMultipleArgs = [
            "cmd", "--a", "b", "c"
        ];

        parser.map("a", function () { return 12; });
        parsed = parser.parse(basicArgs.concat(multipleFlagsWithMultipleArgs));

        expect(parsed).toEqual({
            commands: ["cmd"],
            options: {
                "a": 12
            }
        });
        parser.map("a", null);
    });
});