Add password input tests to TagHelperModelBindingTests

tests/GovUk.Frontend.AspNetCore.IntegrationTests/TagHelperModelBindingTests/PasswordInput.cshtml

@@ -0,0 +1,3 @@
+@model GovUk.Frontend.AspNetCore.IntegrationTests.TagHelperModelBindingTests.PasswordInputTestsModel
+
+<govuk-password-input for="Password" />

tests/GovUk.Frontend.AspNetCore.IntegrationTests/TagHelperModelBindingTests/PasswordInputOverridden.cshtml

@@ -0,0 +1,7 @@
+@model GovUk.Frontend.AspNetCore.IntegrationTests.TagHelperModelBindingTests.PasswordInputTestsModel
+
+<govuk-password-input for="Password" name="OverriddenName" id="OverriddenId" value="Overridden value">
+    <govuk-password-input-label>Overridden label</govuk-password-input-label>
+    <govuk-password-input-hint>Overridden hint</govuk-password-input-hint>
+    <govuk-password-input-error-message>Overridden error message</govuk-password-input-error-message>
+</govuk-password-input>

tests/GovUk.Frontend.AspNetCore.IntegrationTests/TagHelperModelBindingTests/Tests.cs

@@ -49,6 +49,50 @@ public async Task TextInputOverridden_RendersCorrectly()
         var errorMessage = page.Locator(".govuk-error-message").First;
         Assert.Equal("Error: Overridden error message", await errorMessage.TextContentAsync());
     }
+
+    [Fact]
+    public async Task PasswordInput_RendersCorrectly()
+    {
+        var page = await fixture.Browser!.NewPageAsync();
+        await page.GotoAsync($"{ServerFixture.BaseUrl}/ModelBindingTests/PasswordInput");
+
+        var input = page.Locator("input[type='password']").First;
+        Assert.Equal("Password", await input.GetAttributeAsync("name"));
+        Assert.Equal("Password", await input.GetAttributeAsync("id"));
+        Assert.Equal("Model value", await input.GetAttributeAsync("value"));
+
+        var label = page.Locator("label").First;
+        Assert.Equal("Password", await label.GetAttributeAsync("for"));
+        Assert.Equal("ModelMetadata display name", await label.InnerTextAsync());
+
+        var hint = page.Locator(".govuk-hint").First;
+        Assert.Equal("ModelMetadata description", await hint.InnerTextAsync());
+
+        var errorMessage = page.Locator(".govuk-error-message").First;
+        Assert.Equal("Error: Model error message", await errorMessage.TextContentAsync());
+    }
+
+    [Fact]
+    public async Task PasswordInputOverridden_RendersCorrectly()
+    {
+        var page = await fixture.Browser!.NewPageAsync();
+        await page.GotoAsync($"{ServerFixture.BaseUrl}/ModelBindingTests/PasswordInputOverridden");
+
+        var input = page.Locator("input[type='password']").First;
+        Assert.Equal("OverriddenName", await input.GetAttributeAsync("name"));
+        Assert.Equal("OverriddenId", await input.GetAttributeAsync("id"));
+        Assert.Equal("Overridden value", await input.GetAttributeAsync("value"));
+
+        var label = page.Locator("label").First;
+        Assert.Equal("OverriddenId", await label.GetAttributeAsync("for"));
+        Assert.Equal("Overridden label", await label.InnerTextAsync());
+
+        var hint = page.Locator(".govuk-hint").First;
+        Assert.Equal("Overridden hint", await hint.InnerTextAsync());
+
+        var errorMessage = page.Locator(".govuk-error-message").First;
+        Assert.Equal("Error: Overridden error message", await errorMessage.TextContentAsync());
+    }
 }
 
 [Route("/[controller]/[action]")]
@@ -67,10 +111,30 @@ public IActionResult TextInputOverridden()
         ModelState.AddModelError(nameof(TextInputTestsModel.Text), "Model error message");
         return View(new TextInputTestsModel { Text = "Model value" });
     }
+
+    [HttpGet]
+    public IActionResult PasswordInput()
+    {
+        ModelState.AddModelError(nameof(PasswordInputTestsModel.Password), "Model error message");
+        return View(new PasswordInputTestsModel { Password = "Model value" });
+    }
+
+    [HttpGet]
+    public IActionResult PasswordInputOverridden()
+    {
+        ModelState.AddModelError(nameof(PasswordInputTestsModel.Password), "Model error message");
+        return View(new PasswordInputTestsModel { Password = "Model value" });
+    }
 }
 
 public record TextInputTestsModel
 {
     [Display(Name = "ModelMetadata display name", Description = "ModelMetadata description")]
     public string? Text { get; set; }
 }
+
+public record PasswordInputTestsModel
+{
+    [Display(Name = "ModelMetadata display name", Description = "ModelMetadata description")]
+    public string? Password { get; set; }
+}