ReactiveCocoaFramework/ReactiveCocoaTests/RACEventSpec.m

//
//  RACEventSpec.m
//  ReactiveCocoa
//
//  Created by Justin Spahr-Summers on 2013-01-07.
//  Copyright (c) 2013 GitHub, Inc. All rights reserved.
//

#import "RACEvent.h"

SpecBegin(RACEvent)

it(@"should return the singleton completed event", ^{
	RACEvent *event = RACEvent.completedEvent;
	expect(event).notTo.beNil();

	expect(event).to.beIdenticalTo(RACEvent.completedEvent);
	expect([event copy]).to.beIdenticalTo(event);

	expect(event.eventType).to.equal(RACEventTypeCompleted);
	expect(event.finished).to.beTruthy();
	expect(event.error).to.beNil();
	expect(event.value).to.beNil();
});

it(@"should return an error event", ^{
	NSError *error = [NSError errorWithDomain:@"foo" code:1 userInfo:nil];
	RACEvent *event = [RACEvent eventWithError:error];
	expect(event).notTo.beNil();

	expect(event).to.equal([RACEvent eventWithError:error]);
	expect([event copy]).to.equal(event);

	expect(event.eventType).to.equal(RACEventTypeError);
	expect(event.finished).to.beTruthy();
	expect(event.error).to.equal(error);
	expect(event.value).to.beNil();
});

it(@"should return an error event with a nil error", ^{
	RACEvent *event = [RACEvent eventWithError:nil];
	expect(event).notTo.beNil();

	expect(event).to.equal([RACEvent eventWithError:nil]);
	expect([event copy]).to.equal(event);

	expect(event.eventType).to.equal(RACEventTypeError);
	expect(event.finished).to.beTruthy();
	expect(event.error).to.beNil();
	expect(event.value).to.beNil();
});

it(@"should return a next event", ^{
	NSString *value = @"foo";
	RACEvent *event = [RACEvent eventWithValue:value];
	expect(event).notTo.beNil();

	expect(event).to.equal([RACEvent eventWithValue:value]);
	expect([event copy]).to.equal(event);

	expect(event.eventType).to.equal(RACEventTypeNext);
	expect(event.finished).to.beFalsy();
	expect(event.error).to.beNil();
	expect(event.value).to.equal(value);
});

it(@"should return a next event with a nil value", ^{
	RACEvent *event = [RACEvent eventWithValue:nil];
	expect(event).notTo.beNil();

	expect(event).to.equal([RACEvent eventWithValue:nil]);
	expect([event copy]).to.equal(event);

	expect(event.eventType).to.equal(RACEventTypeNext);
	expect(event.finished).to.beFalsy();
	expect(event.error).to.beNil();
	expect(event.value).to.beNil();
});

SpecEnd