Support using Spectre in a Playground

Closes kylef#4

Author: kylef

Makefile

@@ -2,7 +2,7 @@ MODULESDIR = .conche/modules
 LIBDIR = .conche/lib
 SWIFTFLAGS = -I $(MODULESDIR) -L $(LIBDIR)
 SWIFTC := swiftc
-SOURCES := Assert Context GlobalContext Case Failure Reporter Reporters
+SOURCES := Assert Context GlobalContext Case Failure Reporter Reporters Global
 SOURCE_FILES = $(foreach file,$(SOURCES),Spectre/$(file).swift)
 
 all: spectre example

README.md

@@ -4,6 +4,7 @@
 
 BDD Framework for Swift
 
+
 ## Usage
 
 ```swift
@@ -89,6 +90,13 @@ a failure.
 for Spectre. You can simply add a `test_spec` to your Conche podspec depending
 on Spectre and it will run your tests with `conche test`.
 
+### Playground
+
+You can use Spectre in an Xcode Playground, open `Spectre.playground` in
+this repository, failures are printed in the console.
+
+![Spectre in an Xcode Playground](Screenshots/Playground.png)
+
 ### Manually
 
 You can build Spectre as a Framework or a library and link against it.

Screenshots/Playground.png

@@ -0,0 +1,23 @@
+struct Person : CustomStringConvertible {
+  let name:String
+
+  init(name:String) {
+    self.name = name
+  }
+
+  var description:String {
+    return name
+  }
+}
+
+describe("a person") {
+  let person = Person(name: "Kyle")
+
+  $0.it("has a name") {
+    try equal(person.name, "Katie")
+  }
+
+  $0.it("returns the name as description") {
+    try equal(person.description, "Kyle")
+  }
+}

Spectre.playground/Contents.swift

@@ -0,0 +1 @@
+../../Spectre/Assert.swift

Spectre.playground/Sources/Assert.swift

@@ -0,0 +1 @@
+../../Spectre/Case.swift

Spectre.playground/Sources/Case.swift

@@ -0,0 +1 @@
+../../Spectre/Context.swift

Spectre.playground/Sources/Context.swift

@@ -0,0 +1 @@
+../../Spectre/Failure.swift

Spectre.playground/Sources/Failure.swift

@@ -0,0 +1 @@
+../../Spectre/GlobalContext.swift

Spectre.playground/Sources/GlobalContext.swift

@@ -0,0 +1,40 @@
+class PlaygroundReporter : ContextReporter {
+  var depth = 0
+
+  func print(message:String) {
+    let indentation = String(count: depth * 2, repeatedValue: " " as Character)
+    Swift.print("\(indentation)\(message)")
+  }
+
+  func report(name:String, @noescape closure:ContextReporter -> ()) {
+    print("\(name):")
+
+    ++depth
+    closure(self)
+    --depth
+
+    print("")
+  }
+
+  func addSuccess(name:String) {
+    print("✓ \(name)")
+  }
+
+  func addFailure(name:String, failure: Failure) {
+    print("✗ \(name)")
+  }
+}
+
+let reporter = PlaygroundReporter()
+
+public func describe(name:String, closure:ContextType -> ()) {
+  let context = Context(name: name)
+  closure(context)
+  context.run(reporter)
+}
+
+public func it(name:String, closure:() throws -> ()) {
+  let `case` = Case(name: name, closure: closure)
+  `case`.run(reporter)
+}
+

Spectre.playground/Sources/Playground.swift

@@ -0,0 +1 @@
+../../Spectre/Reporter.swift

Spectre.playground/Sources/Reporter.swift

@@ -0,0 +1 @@
+../../Spectre/Reporters.swift

Spectre.playground/Sources/Reporters.swift

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<playground version='5.0' target-platform='osx' requires-full-environment='true'>
+    <timeline fileName='timeline.xctimeline'/>
+</playground>

Spectre.playground/contents.xcplayground

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Timeline
+   version = "3.0">
+   <TimelineItems>
+   </TimelineItems>
+</Timeline>

Spectre.playground/playground.xcworkspace/contents.xcworkspacedata

@@ -0,0 +1,34 @@
+import Darwin
+
+let globalContext: GlobalContext = {
+  atexit { run() }
+  return GlobalContext()
+}()
+
+public func describe(name:String, closure:ContextType -> ()) {
+  globalContext.describe(name, closure: closure)
+}
+
+public func it(name:String, closure:() throws -> ()) {
+  globalContext.it(name, closure: closure)
+}
+
+@noreturn public func run() {
+  let reporter: Reporter
+
+  if Process.arguments.contains("-t") {
+    reporter = DotReporter()
+  } else {
+    reporter = StandardReporter()
+  }
+
+  run(reporter)
+}
+
+@noreturn public func run(reporter:Reporter) {
+  if globalContext.run(reporter) {
+    exit(0)
+  }
+  exit(1)
+}
+

Spectre.playground/timeline.xctimeline

@@ -23,34 +23,3 @@ class GlobalContext {
   }
 }
 
-let globalContext: GlobalContext = {
-  atexit { run() }
-  return GlobalContext()
-}()
-
-public func describe(name:String, closure:ContextType -> ()) {
-  globalContext.describe(name, closure: closure)
-}
-
-public func it(name:String, closure:() throws -> ()) {
-  globalContext.it(name, closure: closure)
-}
-
-@noreturn public func run() {
-  let reporter: Reporter
-  if Process.arguments.contains("-t") {
-    reporter = DotReporter()
-  } else {
-    reporter = StandardReporter()
-  }
-
-  run(reporter)
-}
-
-@noreturn public func run(reporter:Reporter) {
-  if globalContext.run(reporter) {
-    exit(0)
-  }
-  exit(1)
-}
-