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| 1 | +import XCTest |
| 2 | +@testable import WooCommerce |
| 3 | +import WooFoundation |
| 4 | +import Yosemite |
| 5 | + |
| 6 | +final class CollapsibleShipmentItemCardViewModelTests: XCTestCase { |
| 7 | + |
| 8 | + // MARK: - observeSelection Tests |
| 9 | + |
| 10 | + func test_observeSelection_when_main_item_selected_then_all_children_are_selected() { |
| 11 | + // Given |
| 12 | + let packageItem = samplePackageItem(quantity: 3) |
| 13 | + let viewModel = CollapsibleShipmentItemCardViewModel(item: packageItem, currency: "USD") |
| 14 | + |
| 15 | + var selectionChangeCallCount = 0 |
| 16 | + viewModel.onSelectionChange = { |
| 17 | + selectionChangeCallCount += 1 |
| 18 | + } |
| 19 | + |
| 20 | + // When |
| 21 | + viewModel.mainItemRow.handleTap() // Select main item |
| 22 | + |
| 23 | + // Then |
| 24 | + XCTAssertTrue(viewModel.mainItemRow.selected) |
| 25 | + XCTAssertTrue(viewModel.childItemRows.allSatisfy { $0.selected }) |
| 26 | + XCTAssertEqual(selectionChangeCallCount, 1) |
| 27 | + } |
| 28 | + |
| 29 | + func test_observeSelection_when_main_item_deselected_then_all_children_are_deselected() { |
| 30 | + // Given |
| 31 | + let packageItem = samplePackageItem(quantity: 3) |
| 32 | + let viewModel = CollapsibleShipmentItemCardViewModel(item: packageItem, currency: "USD") |
| 33 | + |
| 34 | + // First select the main item |
| 35 | + viewModel.mainItemRow.handleTap() |
| 36 | + |
| 37 | + var selectionChangeCallCount = 0 |
| 38 | + viewModel.onSelectionChange = { |
| 39 | + selectionChangeCallCount += 1 |
| 40 | + } |
| 41 | + |
| 42 | + // When |
| 43 | + viewModel.mainItemRow.handleTap() // Deselect main item |
| 44 | + |
| 45 | + // Then |
| 46 | + XCTAssertFalse(viewModel.mainItemRow.selected) |
| 47 | + XCTAssertTrue(viewModel.childItemRows.allSatisfy { !$0.selected }) |
| 48 | + XCTAssertEqual(selectionChangeCallCount, 1) |
| 49 | + } |
| 50 | + |
| 51 | + func test_observeSelection_when_all_children_selected_then_main_item_is_selected() { |
| 52 | + // Given |
| 53 | + let packageItem = samplePackageItem(quantity: 3) |
| 54 | + let viewModel = CollapsibleShipmentItemCardViewModel(item: packageItem, currency: "USD") |
| 55 | + |
| 56 | + var selectionChangeCallCount = 0 |
| 57 | + viewModel.onSelectionChange = { |
| 58 | + selectionChangeCallCount += 1 |
| 59 | + } |
| 60 | + |
| 61 | + // When - Select all child items one by one |
| 62 | + viewModel.childItemRows[0].handleTap() |
| 63 | + viewModel.childItemRows[1].handleTap() |
| 64 | + viewModel.childItemRows[2].handleTap() |
| 65 | + |
| 66 | + // Then |
| 67 | + XCTAssertTrue(viewModel.mainItemRow.selected) |
| 68 | + XCTAssertTrue(viewModel.childItemRows.allSatisfy { $0.selected }) |
| 69 | + XCTAssertEqual(selectionChangeCallCount, 3) |
| 70 | + } |
| 71 | + |
| 72 | + func test_observeSelection_when_some_children_selected_then_main_item_is_not_selected() { |
| 73 | + // Given |
| 74 | + let packageItem = samplePackageItem(quantity: 3) |
| 75 | + let viewModel = CollapsibleShipmentItemCardViewModel(item: packageItem, currency: "USD") |
| 76 | + |
| 77 | + var selectionChangeCallCount = 0 |
| 78 | + viewModel.onSelectionChange = { |
| 79 | + selectionChangeCallCount += 1 |
| 80 | + } |
| 81 | + |
| 82 | + // When - Select only some child items |
| 83 | + viewModel.childItemRows[0].handleTap() |
| 84 | + viewModel.childItemRows[1].handleTap() |
| 85 | + // Note: childItemRows[2] is not selected |
| 86 | + |
| 87 | + // Then |
| 88 | + XCTAssertFalse(viewModel.mainItemRow.selected) |
| 89 | + XCTAssertTrue(viewModel.childItemRows[0].selected) |
| 90 | + XCTAssertTrue(viewModel.childItemRows[1].selected) |
| 91 | + XCTAssertFalse(viewModel.childItemRows[2].selected) |
| 92 | + XCTAssertEqual(selectionChangeCallCount, 2) |
| 93 | + } |
| 94 | + |
| 95 | + func test_observeSelection_when_all_children_selected_then_one_deselected_then_main_item_is_deselected() { |
| 96 | + // Given |
| 97 | + let packageItem = samplePackageItem(quantity: 3) |
| 98 | + let viewModel = CollapsibleShipmentItemCardViewModel(item: packageItem, currency: "USD") |
| 99 | + |
| 100 | + // First select all children |
| 101 | + viewModel.childItemRows.forEach { $0.handleTap() } |
| 102 | + |
| 103 | + // Verify all are selected initially |
| 104 | + XCTAssertTrue(viewModel.mainItemRow.selected) |
| 105 | + XCTAssertTrue(viewModel.childItemRows.allSatisfy { $0.selected }) |
| 106 | + |
| 107 | + var selectionChangeCallCount = 0 |
| 108 | + viewModel.onSelectionChange = { |
| 109 | + selectionChangeCallCount += 1 |
| 110 | + } |
| 111 | + |
| 112 | + // When - Deselect one child item |
| 113 | + viewModel.childItemRows[1].handleTap() |
| 114 | + |
| 115 | + // Then |
| 116 | + XCTAssertFalse(viewModel.mainItemRow.selected) |
| 117 | + XCTAssertTrue(viewModel.childItemRows[0].selected) |
| 118 | + XCTAssertFalse(viewModel.childItemRows[1].selected) |
| 119 | + XCTAssertTrue(viewModel.childItemRows[2].selected) |
| 120 | + XCTAssertEqual(selectionChangeCallCount, 1) |
| 121 | + } |
| 122 | + |
| 123 | + func test_observeSelection_with_single_quantity_item_has_no_children() { |
| 124 | + // Given |
| 125 | + let packageItem = samplePackageItem(quantity: 1) |
| 126 | + let viewModel = CollapsibleShipmentItemCardViewModel(item: packageItem, currency: "USD") |
| 127 | + |
| 128 | + // Then |
| 129 | + XCTAssertTrue(viewModel.childItemRows.isEmpty) |
| 130 | + XCTAssertFalse(viewModel.mainItemRow.selected) |
| 131 | + } |
| 132 | + |
| 133 | + // MARK: - numberOfSelectedItems Tests |
| 134 | + |
| 135 | + func test_numberOfSelectedItems_with_single_quantity_item() { |
| 136 | + // Given |
| 137 | + let packageItem = samplePackageItem(quantity: 1) |
| 138 | + let viewModel = CollapsibleShipmentItemCardViewModel(item: packageItem, currency: "USD") |
| 139 | + |
| 140 | + // When not selected |
| 141 | + XCTAssertEqual(viewModel.numberOfSelectedItems, 0) |
| 142 | + |
| 143 | + // When selected |
| 144 | + viewModel.mainItemRow.handleTap() |
| 145 | + XCTAssertEqual(viewModel.numberOfSelectedItems, 1) |
| 146 | + } |
| 147 | + |
| 148 | + func test_numberOfSelectedItems_with_multiple_quantity_item() { |
| 149 | + // Given |
| 150 | + let packageItem = samplePackageItem(quantity: 3) |
| 151 | + let viewModel = CollapsibleShipmentItemCardViewModel(item: packageItem, currency: "USD") |
| 152 | + |
| 153 | + // When no children selected |
| 154 | + XCTAssertEqual(viewModel.numberOfSelectedItems, 0) |
| 155 | + |
| 156 | + // When some children selected |
| 157 | + viewModel.childItemRows[0].handleTap() |
| 158 | + viewModel.childItemRows[1].handleTap() |
| 159 | + XCTAssertEqual(viewModel.numberOfSelectedItems, 2) |
| 160 | + |
| 161 | + // When all children selected |
| 162 | + viewModel.childItemRows[2].handleTap() |
| 163 | + XCTAssertEqual(viewModel.numberOfSelectedItems, 3) |
| 164 | + } |
| 165 | + |
| 166 | + // MARK: - selectAll Tests |
| 167 | + |
| 168 | + func test_selectAll_selects_main_and_all_children() { |
| 169 | + // Given |
| 170 | + let packageItem = samplePackageItem(quantity: 3) |
| 171 | + let viewModel = CollapsibleShipmentItemCardViewModel(item: packageItem, currency: "USD") |
| 172 | + |
| 173 | + var selectionChangeCallCount = 0 |
| 174 | + viewModel.onSelectionChange = { |
| 175 | + selectionChangeCallCount += 1 |
| 176 | + } |
| 177 | + |
| 178 | + // When |
| 179 | + viewModel.selectAll() |
| 180 | + |
| 181 | + // Then |
| 182 | + XCTAssertTrue(viewModel.mainItemRow.selected) |
| 183 | + XCTAssertTrue(viewModel.childItemRows.allSatisfy { $0.selected }) |
| 184 | + XCTAssertEqual(selectionChangeCallCount, 1) |
| 185 | + } |
| 186 | + |
| 187 | + func test_selectAll_with_single_quantity_item() { |
| 188 | + // Given |
| 189 | + let packageItem = samplePackageItem(quantity: 1) |
| 190 | + let viewModel = CollapsibleShipmentItemCardViewModel(item: packageItem, currency: "USD") |
| 191 | + |
| 192 | + var selectionChangeCallCount = 0 |
| 193 | + viewModel.onSelectionChange = { |
| 194 | + selectionChangeCallCount += 1 |
| 195 | + } |
| 196 | + |
| 197 | + // When |
| 198 | + viewModel.selectAll() |
| 199 | + |
| 200 | + // Then |
| 201 | + XCTAssertTrue(viewModel.mainItemRow.selected) |
| 202 | + XCTAssertTrue(viewModel.childItemRows.isEmpty) |
| 203 | + XCTAssertEqual(selectionChangeCallCount, 1) |
| 204 | + } |
| 205 | +} |
| 206 | + |
| 207 | +// MARK: - Helper Methods |
| 208 | + |
| 209 | +private extension CollapsibleShipmentItemCardViewModelTests { |
| 210 | + func samplePackageItem(quantity: Decimal) -> ShippingLabelPackageItem { |
| 211 | + ShippingLabelPackageItem( |
| 212 | + productOrVariationID: 123, |
| 213 | + orderItemID: 456, |
| 214 | + name: "Test Item", |
| 215 | + weight: 1.5, |
| 216 | + quantity: quantity, |
| 217 | + value: 10.0, |
| 218 | + dimensions: ProductDimensions(length: "10", width: "10", height: "10"), |
| 219 | + attributes: [], |
| 220 | + imageURL: nil |
| 221 | + ) |
| 222 | + } |
| 223 | +} |
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