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Rauhul Varma 10d80282e5 Enable swift-format checking (#711)
Adopts the common swift-mmio and swift-argument-parser format and enables CI checking.

Fixes: #702
2025-02-10 14:58:19 -08:00

53 lines
1.7 KiB
Swift

//===----------------------------------------------------------*- 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