MASCompositeConstraintSpec.m
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//
// MASCompositeConstraintSpec.m
// Masonry
//
// Created by Jonas Budelmann on 22/07/13.
// Copyright (c) 2013 cloudling. All rights reserved.
//
#import "MASCompositeConstraint.h"
#import "MASViewConstraint.h"
@interface MASCompositeConstraint () <MASConstraintDelegate>
@property (nonatomic, strong) NSMutableArray *completedChildConstraints;
@property (nonatomic, strong) NSMutableArray *currentChildConstraints;
@property (nonatomic, assign) BOOL added;
@end
@interface MASViewConstraint ()
@property (nonatomic, assign) CGFloat layoutConstant;
@property (nonatomic, assign) MASLayoutPriority layoutPriority;
@end
SpecBegin(MASCompositeConstraint)
__block id<MASConstraintDelegate> delegate;
__block UIView *superview;
__block UIView *view;
__block MASCompositeConstraint *composite;
beforeEach(^{
composite = nil;
delegate = mockProtocol(@protocol(MASConstraintDelegate));
view = UIView.new;
superview = UIView.new;
[superview addSubview:view];
});
it(@"should create centerY and centerX children", ^{
composite = [[MASCompositeConstraint alloc] initWithView:view type:MASCompositeViewConstraintTypeCenter];
expect(composite.currentChildConstraints).to.haveCountOf(2);
MASViewConstraint *viewConstraint = composite.currentChildConstraints[0];
expect(viewConstraint.firstViewAttribute.view).to.beIdenticalTo(composite.view);
expect(viewConstraint.firstViewAttribute.layoutAttribute).to.equal(NSLayoutAttributeCenterX);
viewConstraint = composite.currentChildConstraints[1];
expect(viewConstraint.firstViewAttribute.view).to.beIdenticalTo(composite.view);
expect(viewConstraint.firstViewAttribute.layoutAttribute).to.equal(NSLayoutAttributeCenterY);
});
it(@"should create top, left, bottom, right children", ^{
UIView *newView = UIView.new;
composite = [[MASCompositeConstraint alloc] initWithView:view type:MASCompositeViewConstraintTypeEdges];
composite.equalTo(newView);
expect(composite.completedChildConstraints).to.haveCountOf(4);
//top
MASViewConstraint *viewConstraint = composite.completedChildConstraints[0];
expect(viewConstraint.firstViewAttribute.view).to.beIdenticalTo(composite.view);
expect(viewConstraint.firstViewAttribute.layoutAttribute).to.equal(NSLayoutAttributeTop);
//left
viewConstraint = composite.completedChildConstraints[1];
expect(viewConstraint.firstViewAttribute.view).to.beIdenticalTo(composite.view);
expect(viewConstraint.firstViewAttribute.layoutAttribute).to.equal(NSLayoutAttributeLeft);
//bottom
viewConstraint = composite.completedChildConstraints[2];
expect(viewConstraint.firstViewAttribute.view).to.beIdenticalTo(composite.view);
expect(viewConstraint.firstViewAttribute.layoutAttribute).to.equal(NSLayoutAttributeBottom);
//right
viewConstraint = composite.completedChildConstraints[3];
expect(viewConstraint.firstViewAttribute.view).to.beIdenticalTo(composite.view);
expect(viewConstraint.firstViewAttribute.layoutAttribute).to.equal(NSLayoutAttributeRight);
});
it(@"should create width and height children", ^{
composite = [[MASCompositeConstraint alloc] initWithView:view type:MASCompositeViewConstraintTypeSize];
expect(composite.currentChildConstraints).to.haveCountOf(2);
MASViewConstraint *viewConstraint = composite.currentChildConstraints[0];
expect(viewConstraint.firstViewAttribute.view).to.beIdenticalTo(composite.view);
expect(viewConstraint.firstViewAttribute.layoutAttribute).to.equal(NSLayoutAttributeWidth);
viewConstraint = composite.currentChildConstraints[1];
expect(viewConstraint.firstViewAttribute.view).to.beIdenticalTo(composite.view);
expect(viewConstraint.firstViewAttribute.layoutAttribute).to.equal(NSLayoutAttributeHeight);
});
it(@"should complete children", ^{
composite = [[MASCompositeConstraint alloc] initWithView:view type:MASCompositeViewConstraintTypeSize];
composite.delegate = delegate;
UIView *newView = UIView.new;
//first equality statement
composite.equalTo(newView).sizeOffset(CGSizeMake(90, 30));
expect(composite.completedChildConstraints).to.haveCountOf(2);
expect(composite.currentChildConstraints).to.haveCountOf(2);
MASViewConstraint *viewConstraint = composite.completedChildConstraints[0];
expect(viewConstraint.secondViewAttribute.view).to.beIdenticalTo(newView);
expect(viewConstraint.secondViewAttribute.layoutAttribute).to.equal(NSLayoutAttributeWidth);
expect(viewConstraint.layoutConstant).to.equal(90);
expect(viewConstraint.layoutPriority).to.equal(MASLayoutPriorityRequired);
viewConstraint = composite.completedChildConstraints[1];
expect(viewConstraint.secondViewAttribute.view).to.beIdenticalTo(newView);
expect(viewConstraint.secondViewAttribute.layoutAttribute).to.equal(NSLayoutAttributeHeight);
expect(viewConstraint.layoutConstant).to.equal(30);
expect(viewConstraint.layoutPriority).to.equal(MASLayoutPriorityRequired);
//new current
expect(composite.completedChildConstraints[0]).to.beIdenticalTo(composite.currentChildConstraints[0]);
expect(composite.completedChildConstraints[1]).to.beIdenticalTo(composite.currentChildConstraints[1]);
});
it(@"should remove completed on commit", ^{
composite = [[MASCompositeConstraint alloc] initWithView:view type:MASCompositeViewConstraintTypeSize];
composite.delegate = delegate;
UIView *newView = UIView.new;
[superview addSubview:newView];
//first equality statement
composite.equalTo(newView).sizeOffset(CGSizeMake(90, 30));
[verify(delegate) addConstraint:(id)composite];
expect(composite.completedChildConstraints).to.haveCountOf(2);
expect(composite.currentChildConstraints).to.haveCountOf(2);
[composite commit];
expect(composite.completedChildConstraints).to.haveCountOf(0);
expect(composite.currentChildConstraints).to.haveCountOf(2);
});
SpecEnd