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66 lines
2.0 KiB
Swift
66 lines
2.0 KiB
Swift
@testable import DivKit
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@testable import LayoutKit
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import XCTest
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import VGSL
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final class DivGridExtensionsTests: XCTestCase {
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func test_WhenGridHasHorizontalIncompatibleTraits_ThrowsError() throws {
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let expectedError = DivBlockModelingError(
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"Grid block error: cannot create horizontally resizable grid with intrinsic width trait",
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path: gridPath
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)
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XCTAssertThrowsError(
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try makeBlock(fromFile: "incompatible-horizontal-traits"),
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expectedError
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)
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}
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func test_WhenGridHasVerticalIncompatibleTraits_ThrowsError() throws {
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let expectedError = DivBlockModelingError(
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"Grid block error: cannot create vertically resizable grid with intrinsic height trait",
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path: gridPath
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)
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XCTAssertThrowsError(
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try makeBlock(fromFile: "incompatible-vertical-traits"),
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expectedError
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)
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}
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func test_WhenGridDoesNotFormRect_ThrowsError() throws {
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let makeError: (String) -> DivBlockModelingError = {
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DivBlockModelingError($0, path: gridPath)
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}
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let makeEmptyCellError: (_ row: Int, _ column: Int) -> DivBlockModelingError = {
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makeError("Grid block error: empty cell at (\($0), \($1))")
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}
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let makeNoSpaceError: (_ item: Int) -> DivBlockModelingError = {
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makeError("Grid block error: no space for item at index \($0)")
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}
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let fileToError = [
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"invalid-row-span1": makeEmptyCellError(1, 0),
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"invalid-row-span2": makeEmptyCellError(1, 1),
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"invalid-row-span3": makeEmptyCellError(1, 1),
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"invalid-column-span1": makeNoSpaceError(0),
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"invalid-column-span2": makeNoSpaceError(1),
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"invalid-column-span3": makeEmptyCellError(1, 1),
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]
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try fileToError.forEach {
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XCTAssertThrowsError(try makeBlock(fromFile: $0.key), $0.value)
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}
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}
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}
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private func makeBlock(fromFile filename: String) throws -> Block {
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try DivGridTemplate.make(
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fromFile: filename,
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subdirectory: "div-grid",
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context: .default
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)
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}
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private let gridPath = UIElementPath.root + DivGrid.type
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