Add unit tests for ReviewReply view model

Author: rachelmcr

WooCommerce/WooCommerce.xcodeproj/project.pbxproj

@@ -1357,6 +1357,7 @@
 		CC2E72F727B6BFB800A62872 /* ProductVariationFormatterTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = CC2E72F627B6BFB800A62872 /* ProductVariationFormatterTests.swift */; };
 		CC3B35DB28E5A6830036B097 /* ReviewReply.swift in Sources */ = {isa = PBXBuildFile; fileRef = CC3B35DA28E5A6830036B097 /* ReviewReply.swift */; };
 		CC3B35DD28E5A6EA0036B097 /* ReviewReplyViewModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = CC3B35DC28E5A6EA0036B097 /* ReviewReplyViewModel.swift */; };
+		CC3B35DF28E5BE6F0036B097 /* ReviewReplyViewModelTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = CC3B35DE28E5BE6F0036B097 /* ReviewReplyViewModelTests.swift */; };
 		CC440E1E2770C6AF0074C264 /* ProductInOrderViewModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = CC440E1D2770C6AF0074C264 /* ProductInOrderViewModel.swift */; };
 		CC4A4E962655273D00B75DCD /* ShippingLabelPaymentMethods.swift in Sources */ = {isa = PBXBuildFile; fileRef = CC4A4E952655273D00B75DCD /* ShippingLabelPaymentMethods.swift */; };
 		CC4A4ED82655478D00B75DCD /* ShippingLabelPaymentMethodsViewModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = CC4A4ED72655478D00B75DCD /* ShippingLabelPaymentMethodsViewModel.swift */; };
@@ -3269,6 +3270,7 @@
 		CC2E72F627B6BFB800A62872 /* ProductVariationFormatterTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ProductVariationFormatterTests.swift; sourceTree = "<group>"; };
 		CC3B35DA28E5A6830036B097 /* ReviewReply.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ReviewReply.swift; sourceTree = "<group>"; };
 		CC3B35DC28E5A6EA0036B097 /* ReviewReplyViewModel.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ReviewReplyViewModel.swift; sourceTree = "<group>"; };
+		CC3B35DE28E5BE6F0036B097 /* ReviewReplyViewModelTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ReviewReplyViewModelTests.swift; sourceTree = "<group>"; };
 		CC440E1D2770C6AF0074C264 /* ProductInOrderViewModel.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ProductInOrderViewModel.swift; sourceTree = "<group>"; };
 		CC4A4E952655273D00B75DCD /* ShippingLabelPaymentMethods.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ShippingLabelPaymentMethods.swift; sourceTree = "<group>"; };
 		CC4A4ED72655478D00B75DCD /* ShippingLabelPaymentMethodsViewModel.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ShippingLabelPaymentMethodsViewModel.swift; sourceTree = "<group>"; };
@@ -7118,6 +7120,7 @@
 			isa = PBXGroup;
 			children = (
 				BAA34C1F2787494300846F3C /* ReviewsViewControllerTests.swift */,
+				CC3B35DE28E5BE6F0036B097 /* ReviewReplyViewModelTests.swift */,
 			);
 			path = Reviews;
 			sourceTree = "<group>";
@@ -10619,6 +10622,7 @@
 				020C908424C84652001E2BEB /* ProductListMultiSelectorSearchUICommandTests.swift in Sources */,
 				746FC23D2200A62B00C3096C /* DateWooTests.swift in Sources */,
 				31F21B5A263CB41A0035B50A /* MockCardPresentPaymentsStoresManager.swift in Sources */,
+				CC3B35DF28E5BE6F0036B097 /* ReviewReplyViewModelTests.swift in Sources */,
 				02F5F80E246102240000613A /* FilterProductListViewModel+numberOfActiveFiltersTests.swift in Sources */,
 				021AEF9C2407B07300029D28 /* ProductImageStatus+HelpersTests.swift in Sources */,
 				024A543622BA84DB00F4F38E /* DeveloperEmailCheckerTests.swift in Sources */,

WooCommerce/WooCommerceTests/ViewRelated/Reviews/ReviewReplyViewModelTests.swift

@@ -0,0 +1,27 @@
+import XCTest
+@testable import WooCommerce
+
+class ReviewReplyViewModelTests: XCTestCase {
+
+    func test_send_button_is_disabled_when_reply_content_is_empty() {
+        // Given
+        let viewModel = ReviewReplyViewModel()
+
+        // When
+        let navigationItem = viewModel.navigationTrailingItem
+
+        // Then
+        assertEqual(navigationItem, .send(enabled: false))
+    }
+
+    func test_send_button_is_enabled_when_reply_is_entered() {
+        // Given
+        let viewModel = ReviewReplyViewModel()
+
+        // When
+        viewModel.newReply = "New reply"
+
+        // Then
+        assertEqual(viewModel.navigationTrailingItem, .send(enabled: true))
+    }
+}