mirror of
https://github.com/apple/swift-argument-parser.git
synced 2026-05-07 20:12:41 +00:00
Nate Cook
119 lines
3.9 KiB
Swift
119 lines
3.9 KiB
Swift
//===----------------------------------------------------------*- swift -*-===//
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//
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// This source file is part of the Swift Argument Parser open source project
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//
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// Copyright (c) 2020 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See https://swift.org/LICENSE.txt for license information
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//
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//===----------------------------------------------------------------------===//
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import XCTest
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import TestHelpers
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final class MathExampleTests: XCTestCase {
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func testMath_Simple() throws {
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AssertExecuteCommand(command: "math 1 2 3 4 5", expected: "15")
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AssertExecuteCommand(command: "math multiply 1 2 3 4 5", expected: "120")
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}
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func testMath_Help() throws {
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let helpText = """
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OVERVIEW: A utility for performing maths.
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USAGE: math <subcommand>
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OPTIONS:
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-h, --help Show help information.
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SUBCOMMANDS:
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add Print the sum of the values.
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multiply Print the product of the values.
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stats Calculate descriptive statistics.
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"""
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AssertExecuteCommand(command: "math -h", expected: helpText)
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AssertExecuteCommand(command: "math --help", expected: helpText)
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AssertExecuteCommand(command: "math help", expected: helpText)
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}
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func testMath_AddHelp() throws {
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let helpText = """
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OVERVIEW: Print the sum of the values.
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USAGE: math add [--hex-output] [<values> ...]
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ARGUMENTS:
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<values> A group of integers to operate on.
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OPTIONS:
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-x, --hex-output Use hexadecimal notation for the result.
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-h, --help Show help information.
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"""
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AssertExecuteCommand(command: "math add -h", expected: helpText)
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AssertExecuteCommand(command: "math add --help", expected: helpText)
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AssertExecuteCommand(command: "math help add", expected: helpText)
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}
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func testMath_StatsMeanHelp() throws {
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let helpText = """
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OVERVIEW: Print the average of the values.
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USAGE: math stats average [--kind <kind>] [<values> ...]
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ARGUMENTS:
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<values> A group of floating-point values to operate on.
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OPTIONS:
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--kind <kind> The kind of average to provide. (default: mean)
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-h, --help Show help information.
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"""
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AssertExecuteCommand(command: "math stats average -h", expected: helpText)
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AssertExecuteCommand(command: "math stats average --help", expected: helpText)
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AssertExecuteCommand(command: "math help stats average", expected: helpText)
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}
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func testMath_StatsQuantilesHelp() throws {
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let helpText = """
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OVERVIEW: Print the quantiles of the values (TBD).
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USAGE: math stats quantiles [<values> ...]
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ARGUMENTS:
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<values> A group of floating-point values to operate on.
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OPTIONS:
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-h, --help Show help information.
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"""
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// The "quantiles" subcommand's run() method is unimplemented, so it
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// just generates the help text.
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AssertExecuteCommand(command: "math stats quantiles", expected: helpText)
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AssertExecuteCommand(command: "math stats quantiles -h", expected: helpText)
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AssertExecuteCommand(command: "math stats quantiles --help", expected: helpText)
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AssertExecuteCommand(command: "math help stats quantiles", expected: helpText)
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}
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func testMath_Fail() throws {
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AssertExecuteCommand(
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command: "math --foo",
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expected: """
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Error: Unexpected argument '--foo'
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Usage: math add [--hex-output] [<values> ...]
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""",
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shouldError: true)
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AssertExecuteCommand(
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command: "math ZZZ",
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expected: """
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Error: The value 'ZZZ' is invalid for '<values>'
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Usage: math add [--hex-output] [<values> ...]
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""",
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shouldError: true)
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}
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}
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