feat: setup initial create payment endpoint

tests/GroundsForSupport.Server.Tests/ExampleTests.cs

@@ -1,10 +0,0 @@
-namespace GroundsForSupport.Server.Tests;
-
-public class ExampleTests
-{
-  [Fact]
-  public void SampleTest()
-  {
-    Assert.True(true);
-  }
-}

tests/GroundsForSupport.Server.Tests/GroundsForSupport.API.Tests.csproj

@@ -14,6 +14,7 @@
 
   <ItemGroup>
     <Using Include="Xunit" />
+    <Using Include="AwesomeAssertions" />
   </ItemGroup>
 
   <ItemGroup>
@@ -26,6 +27,7 @@
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
+    <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="10.0.1" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.0.1" />
     <PackageReference Include="xunit.v3" Version="3.2.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="3.1.5">

tests/GroundsForSupport.Server.Tests/Integration/Infra/TestApi.cs

@@ -0,0 +1,7 @@
+using Microsoft.AspNetCore.Mvc.Testing;
+
+namespace GroundsForSupport.API.Tests.Integration.Infra;
+
+public sealed class TestApi : WebApplicationFactory<Program>
+{
+}

tests/GroundsForSupport.Server.Tests/Integration/PaymentTests.cs

@@ -0,0 +1,25 @@
+using System.Net;
+using System.Net.Http.Json;
+using GroundsForSupport.API.Tests.Integration.Infra;
+
+namespace GroundsForSupport.API.Tests.Integration;
+
+public sealed class PaymentTests(TestApi api) : IClassFixture<TestApi>
+{
+  private readonly TestApi _api = api;
+
+  [Fact]
+  public async Task CreatePaymentIntent_WhenGivenInvalidAmount_ItShouldReturnBadRequest()
+  {
+    var client = _api.CreateClient();
+
+    var request = new {
+      amount = 0,
+      email = string.Empty,
+    };
+
+    var response = await client.PostAsJsonAsync("/create-payment-intent", request, TestContext.Current.CancellationToken);
+
+    response.StatusCode.Should().Be(HttpStatusCode.BadRequest);
+  }
+}