Kare Morstol
a9dbdcf629
Wow, lots of changes in Swift 2.0! And all of them great, except for renaming println to print. What's up with that? This is just to get it to compile, we will be trying and throwing errors in no time.
100 lines
2.5 KiB
Swift
100 lines
2.5 KiB
Swift
//
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// Stream_Tests.swift
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// SwiftShell
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//
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// Created by Kåre Morstøl on 21/08/14.
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// Copyright (c) 2014 NotTooBad Software. All rights reserved.
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//
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import SwiftShell
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import XCTest
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class Stream_Tests: XCTestCase {
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func testStreamFromAString () {
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XCTAssertEqual( "this is a string", stream("this is a string").read() )
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XCTAssertEqual( "These are weird↔️🐻♨︎", stream("These are weird↔️🐻♨︎").read() )
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}
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func testCustomStream () {
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let result = stream ({
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var finished = false
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return {
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if !finished {
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finished = true
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return "this is it"
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} else {
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return nil
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}
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}
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})
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XCTAssertEqual( result.read(), "this is it" )
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}
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func testStreamFromArray () {
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XCTAssertEqual( stream(["item 1","item 2"]).read(), "item 1item 2" )
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}
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func testPrintStreamToStream () {
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let (writable, readable) = streams()
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stream("this goes in") |>> writable
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XCTAssertEqual( readable.readSome()!, "this goes in" )
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}
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func testPrintStreamToStreamInPieces () {
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let (writable, readable) = streams()
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stream(["this ", "goes", " in"]) |>> writable
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writable.closeStream()
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XCTAssertEqual( readable.read(), "this goes in" )
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}
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func testPrintStringToStream () {
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let (writable, readable) = streams()
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"this goes in" |>> writable
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XCTAssertEqual( readable.readSome()!, "this goes in" )
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}
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func testCommandChainToStream () {
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let (writable, readable) = streams()
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SwiftShell.run("echo this is streamed") |> SwiftShell.run("wc -w") |>> writable
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XCTAssertEqual( readable.readSome()!.trim(), "3" )
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}
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func testSequenceOfStreamsToStream () {
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let (writable, readable) = streams()
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// make sure the array isn't printed as a Printable.
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AnySequence([stream("line 1"), stream("line 2"), stream("line 3")].generate()) |>> writable
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XCTAssertEqual( readable.readSome()!.trim(), "line 1line 2line 3" )
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}
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func testChainWithSequenceOfStreamsPrintedToStream () {
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let (writable, readable) = streams()
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let dict = ["test":"line 1:line 2:line 3"]
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dict["test"]! |> split(delimiter: ":")
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|> map { line in SwiftShell.run("echo \(line)") }
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|>> writable
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XCTAssertEqual( readable.readSome()!.trim(), "line 1\nline 2\nline 3" )
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}
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func testChainWithSequenceOfStringsPrintedToStream () {
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let (writable, readable) = streams()
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var i = 1
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stream("line 1\nline 2\nline 3").lines() |> map {line in "line \(i++): \(line)\n"} |>> writable
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XCTAssertEqual( readable.readSome()!.trim(), "line 1: line 1\nline 2: line 2\nline 3: line 3" )
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}
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}
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