//
// Command_Tests.swift
// SwiftShell
//
// Created by Kåre Morstøl on 15/08/14.
// Copyright (c) 2014 NotTooBad Software. All rights reserved.
//

import SwiftShell
import XCTest

class Command_Tests: XCTestCase {

	func testSimpleCommand() {
		SwiftShell.run("echo")
	}
	
	func testSimpleCommandWithOutput() {
		XCTAssertEqual( SwiftShell.run("echo this is streamed").read(), "this is streamed\n")
	}

	func testChainedCommands() {
		let result = SwiftShell.run("echo this is streamed") |> SwiftShell.run( "wc -w")
		XCTAssertEqual( result.read().trim(), "3", "the number of words should be 3")
	}
	
	func testInlineCommand () {
		XCTAssertEqual( $("echo one"), "one")
	}
	
	func testInlineCommandInsideRunCommandAfterPipe() {
		let result = stream("line 1\nline 2\nline 3") |> SwiftShell.run("grep " + $("echo 2"))
		XCTAssertEqual( result.read(), "line 2\n")
	}
}