Created
May 5, 2018 22:13
-
-
Save wingchi/e88ad40c0e23850922182fc73916ec90 to your computer and use it in GitHub Desktop.
Unit Tests for Grid Cell sizing 6 - 10
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| class GridViewModelTests: XCTestCase { | |
| let testFrame = CGRect(x: 0, y: 0, width: 72, height: 130) | |
| let expectedFullWidth: CGFloat = 72 // 72 | |
| let expectedHalfWidth = (72 / 2) - (GridViewModel.itemMargin / 2) //32 | |
| let expectedHeight = (130 / 5) - 2 * GridViewModel.itemMargin //10 | |
| // ... tests one through five | |
| func testSixItemCellSize() { | |
| let expectedCellSizes = [ | |
| CGSize(width: expectedFullWidth, height: expectedHeight), | |
| CGSize(width: expectedFullWidth, height: expectedHeight), | |
| CGSize(width: expectedHalfWidth, height: expectedHeight), | |
| CGSize(width: expectedHalfWidth, height: expectedHeight), | |
| CGSize(width: expectedHalfWidth, height: expectedHeight), | |
| CGSize(width: expectedHalfWidth, height: expectedHeight) | |
| ] | |
| let viewModel = GridViewModel() | |
| viewModel.data = [1, 2, 3, 4, 5, 6] | |
| for row in 0...(viewModel.data.count - 1) { | |
| let testIndexPath = IndexPath(row: row, section: 0) | |
| let cellSize = viewModel.cellSize(for: testFrame, at: testIndexPath) | |
| XCTAssertEqual(cellSize, expectedCellSizes[row]) | |
| } | |
| } | |
| // ... tests seven through nine | |
| func testTenItemCellSize() { | |
| let expectedCellSizes = [ | |
| CGSize(width: expectedHalfWidth, height: expectedHeight), | |
| CGSize(width: expectedHalfWidth, height: expectedHeight), | |
| CGSize(width: expectedHalfWidth, height: expectedHeight), | |
| CGSize(width: expectedHalfWidth, height: expectedHeight), | |
| CGSize(width: expectedHalfWidth, height: expectedHeight), | |
| CGSize(width: expectedHalfWidth, height: expectedHeight), | |
| CGSize(width: expectedHalfWidth, height: expectedHeight), | |
| CGSize(width: expectedHalfWidth, height: expectedHeight), | |
| CGSize(width: expectedHalfWidth, height: expectedHeight), | |
| CGSize(width: expectedHalfWidth, height: expectedHeight) | |
| ] | |
| let viewModel = GridViewModel() | |
| viewModel.data = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10] | |
| for row in 0...(viewModel.data.count - 1) { | |
| let testIndexPath = IndexPath(row: row, section: 0) | |
| let cellSize = viewModel.cellSize(for: testFrame, at: testIndexPath) | |
| XCTAssertEqual(cellSize, expectedCellSizes[row]) | |
| } | |
| } | |
| } |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment