1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
|
//===----------------------------------------------------------*- swift -*-===//
//
// This source file is part of the Swift Argument Parser open source project
//
// Copyright (c) 2020 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
//
//===----------------------------------------------------------------------===//
#if os(macOS)
import XCTest
import ArgumentParserTestHelpers
final class CountLinesExampleTests: XCTestCase {
override func setUp() {
#if !os(Windows) && !os(WASI)
unsetenv("COLUMNS")
#endif
}
func testCountLines() throws {
guard #available(macOS 12, *) else { return }
let testFile = try XCTUnwrap(Bundle.module.url(forResource: "CountLinesTest", withExtension: "txt"))
try AssertExecuteCommand(command: "count-lines \(testFile.path)", expected: "20")
try AssertExecuteCommand(command: "count-lines \(testFile.path) --prefix al", expected: "4")
}
func testCountLinesHelp() throws {
guard #available(macOS 12, *) else { return }
let helpText = """
USAGE: count-lines [<input-file>] [--prefix <prefix>] [--verbose]
ARGUMENTS:
<input-file> A file to count lines in. If omitted, counts the
lines of stdin.
OPTIONS:
--prefix <prefix> Only count lines with this prefix.
--verbose Include extra information in the output.
-h, --help Show help information.
"""
try AssertExecuteCommand(command: "count-lines -h", expected: helpText)
}
}
#endif
|
