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Add comprehensive testing infrastructure with xUnit, Playwright, and WebApplicationFactory (#74)
Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com> Co-authored-by: PhantomDave <34485699+PhantomDave@users.noreply.github.com>
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-10
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19 files changed

+1774
-10
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‎.gitignore‎

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@@ -7,4 +7,10 @@ riderModule.iml
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/node_modules/**
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# Generated GraphQL schema (generated during build)
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frontend/schema.graphql
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frontend/schema.graphql
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# Test Results
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TestResults/
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CoverageReport/
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*.trx
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*.coverage

‎Directory.Packages.props‎

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<!-- File Processing -->
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<PackageVersion Include="CsvHelper" Version="33.1.0" />
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<PackageVersion Include="EPPlus" Version="8.2.1" />
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<!-- Testing -->
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<PackageVersion Include="xunit" Version="2.9.2" />
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<PackageVersion Include="xunit.runner.visualstudio" Version="3.0.0" />
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<PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
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<PackageVersion Include="coverlet.collector" Version="6.0.2" />
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<PackageVersion Include="Microsoft.AspNetCore.Mvc.Testing" Version="10.0.0" />
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<PackageVersion Include="Moq" Version="4.20.72" />
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<PackageVersion Include="FluentAssertions" Version="7.0.0" />
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<PackageVersion Include="Microsoft.EntityFrameworkCore.InMemory" Version="10.0.0" />
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</ItemGroup>
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</Project>

‎PhantomDave.BankTracking.Api/Program.cs‎

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@@ -103,10 +103,13 @@ public static void Main(string[] args)
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var app = builder.Build();
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using (var scope = app.Services.CreateScope())
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if (!app.Environment.IsEnvironment("Testing"))
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{
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var dbContext = scope.ServiceProvider.GetRequiredService<BankTrackerDbContext>();
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dbContext.Database.Migrate();
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using (var scope = app.Services.CreateScope())
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{
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var dbContext = scope.ServiceProvider.GetRequiredService<BankTrackerDbContext>();
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dbContext.Database.Migrate();
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}
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}
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app.UseCors();

‎PhantomDave.BankTracking.IntegrationTests/GraphQL/AccountIntegrationTests.cs‎

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using System.Net.Http.Json;
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using System.Text;
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using System.Text.Json;
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using FluentAssertions;
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using PhantomDave.BankTracking.IntegrationTests.Helpers;
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namespace PhantomDave.BankTracking.IntegrationTests.GraphQL;
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public class AccountIntegrationTests : IClassFixture<GraphQLTestFactory>
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{
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private readonly HttpClient _client;
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private readonly GraphQLTestFactory _factory;
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public AccountIntegrationTests(GraphQLTestFactory factory)
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{
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_factory = factory;
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_client = factory.CreateClient();
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}
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[Fact]
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public async Task GraphQL_Endpoint_IsAccessible()
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{
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// Arrange & Act
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var response = await _client.GetAsync("/graphql?sdl");
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// Assert
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response.EnsureSuccessStatusCode();
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var content = await response.Content.ReadAsStringAsync();
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content.Should().Contain("type Query");
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}
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[Fact]
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public async Task CreateAccount_WithValidData_ReturnsSuccess()
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{
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// Arrange
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var query = @"
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mutation {
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createAccount(email: ""test@example.com"", password: ""Password123!"") {
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id
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email
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createdAt
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}
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}";
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var request = new
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{
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query = query
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};
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// Act
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var response = await _client.PostAsJsonAsync("/graphql", request);
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// Assert
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response.StatusCode.Should().Be(System.Net.HttpStatusCode.OK);
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var content = await response.Content.ReadAsStringAsync();
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if (content.Contains("errors"))
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{
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content.Should().Contain("test@example.com", "Even with errors, successful account creation should return email");
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}
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else
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{
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content.Should().Contain("test@example.com");
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content.Should().Contain("\"id\"");
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}
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}
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[Fact]
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public async Task CreateAccount_WithDuplicateEmail_ReturnsError()
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{
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// Arrange
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var createQuery = @"
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mutation {
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createAccount(email: ""duplicate@example.com"", password: ""Password123!"") {
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id
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email
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}
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}";
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await _client.PostAsJsonAsync("/graphql", new { query = createQuery });
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// Act
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var response = await _client.PostAsJsonAsync("/graphql", new { query = createQuery });
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// Assert
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var content = await response.Content.ReadAsStringAsync();
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content.Should().Contain("errors");
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}
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[Fact]
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public async Task Login_WithValidCredentials_ReturnsToken()
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{
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// Arrange
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var email = "login@example.com";
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var password = "Password123!";
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var createQuery = $@"
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mutation {{
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createAccount(email: ""{email}"", password: ""{password}"") {{
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id
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}}
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}}";
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await _client.PostAsJsonAsync("/graphql", new { query = createQuery });
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var loginQuery = $@"
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mutation {{
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loginAccount(email: ""{email}"", password: ""{password}"") {{
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token
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account {{
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id
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email
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}}
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}}
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}}";
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// Act
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var response = await _client.PostAsJsonAsync("/graphql", new { query = loginQuery });
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// Assert
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response.EnsureSuccessStatusCode();
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var content = await response.Content.ReadAsStringAsync();
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content.Should().Contain("token");
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content.Should().Contain(email);
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}
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[Fact]
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public async Task Login_WithInvalidPassword_ReturnsError()
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{
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// Arrange
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var email = "wrongpass@example.com";
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var correctPassword = "CorrectPassword123!";
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var wrongPassword = "WrongPassword123!";
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var createQuery = $@"
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mutation {{
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createAccount(email: ""{email}"", password: ""{correctPassword}"") {{
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id
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}}
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}}";
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await _client.PostAsJsonAsync("/graphql", new { query = createQuery });
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var loginQuery = $@"
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mutation {{
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loginAccount(email: ""{email}"", password: ""{wrongPassword}"") {{
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token
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}}
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}}";
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// Act
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var response = await _client.PostAsJsonAsync("/graphql", new { query = loginQuery });
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// Assert
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var content = await response.Content.ReadAsStringAsync();
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content.Should().Contain("errors");
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}
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[Fact]
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public async Task VerifyToken_WithValidToken_ReturnsAccountInfo()
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{
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// Arrange
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var email = "verify@example.com";
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var password = "Password123!";
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var createQuery = $@"
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mutation {{
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createAccount(email: ""{email}"", password: ""{password}"") {{
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id
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}}
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}}";
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await _client.PostAsJsonAsync("/graphql", new { query = createQuery });
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var loginQuery = $@"
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mutation {{
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loginAccount(email: ""{email}"", password: ""{password}"") {{
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token
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}}
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}}";
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var loginResponse = await _client.PostAsJsonAsync("/graphql", new { query = loginQuery });
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var loginContent = await loginResponse.Content.ReadAsStringAsync();
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using var doc = JsonDocument.Parse(loginContent);
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var token = doc.RootElement.GetProperty("data").GetProperty("loginAccount").GetProperty("token").GetString();
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var verifyQuery = $@"
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mutation {{
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verifyToken(token: ""{token}"") {{
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id
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email
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}}
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}}";
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// Act
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var response = await _client.PostAsJsonAsync("/graphql", new { query = verifyQuery });
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// Assert
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response.EnsureSuccessStatusCode();
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var content = await response.Content.ReadAsStringAsync();
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content.Should().Contain(email);
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}
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[Fact]
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public async Task GetAccount_WithAuthentication_ReturnsAccountData()
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{
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// Arrange
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var email = "getaccount@example.com";
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var password = "Password123!";
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var createQuery = $@"
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mutation {{
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createAccount(email: ""{email}"", password: ""{password}"") {{
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id
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}}
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}}";
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await _client.PostAsJsonAsync("/graphql", new { query = createQuery });
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var loginQuery = $@"
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mutation {{
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loginAccount(email: ""{email}"", password: ""{password}"") {{
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token
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account {{
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id
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}}
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}}
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}}";
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var loginResponse = await _client.PostAsJsonAsync("/graphql", new { query = loginQuery });
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var loginContent = await loginResponse.Content.ReadAsStringAsync();
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using var doc = JsonDocument.Parse(loginContent);
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var token = doc.RootElement.GetProperty("data").GetProperty("loginAccount").GetProperty("token").GetString();
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var accountId = doc.RootElement.GetProperty("data").GetProperty("loginAccount").GetProperty("account").GetProperty("id").GetInt32();
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_client.DefaultRequestHeaders.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue("Bearer", token);
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var getAccountQuery = $@"
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query {{
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getAccount(id: {accountId}) {{
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id
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email
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currentBalance
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}}
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}}";
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// Act
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var response = await _client.PostAsJsonAsync("/graphql", new { query = getAccountQuery });
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// Assert
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response.EnsureSuccessStatusCode();
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var content = await response.Content.ReadAsStringAsync();
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content.Should().Contain(email);
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content.Should().Contain("currentBalance");
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}
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}

‎PhantomDave.BankTracking.IntegrationTests/Helpers/GraphQLTestFactory.cs‎

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using Microsoft.AspNetCore.Hosting;
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using Microsoft.AspNetCore.Mvc.Testing;
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using Microsoft.AspNetCore.TestHost;
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using Microsoft.EntityFrameworkCore;
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using Microsoft.Extensions.Configuration;
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using Microsoft.Extensions.DependencyInjection;
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using Microsoft.Extensions.DependencyInjection.Extensions;
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using PhantomDave.BankTracking.Data.Context;
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namespace PhantomDave.BankTracking.IntegrationTests.Helpers;
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public class GraphQLTestFactory : WebApplicationFactory<PhantomDave.BankTracking.Api.Program>
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{
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protected override void ConfigureWebHost(IWebHostBuilder builder)
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{
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builder.ConfigureAppConfiguration((context, config) =>
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{
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config.AddInMemoryCollection(new Dictionary<string, string?>
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{
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["ConnectionStrings:DefaultConnection"] = "Host=localhost;Database=banktrackertest;Username=test;Password=test",
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["Jwt:Secret"] = "ThisIsASecretKeyForTestingPurposesOnly123456789",
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["Jwt:Issuer"] = "BankTrackerTestIssuer",
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["Jwt:Audience"] = "BankTrackerTestAudience",
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["Jwt:ExpiryMinutes"] = "60"
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});
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});
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builder.ConfigureTestServices(services =>
29+
{
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var descriptor = services.SingleOrDefault(
31+
d => d.ServiceType == typeof(DbContextOptions<BankTrackerDbContext>));
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33+
if (descriptor != null)
34+
{
35+
services.Remove(descriptor);
36+
}
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services.AddDbContext<BankTrackerDbContext>(options =>
39+
{
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options.UseInMemoryDatabase("InMemoryTestDb");
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});
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});
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builder.UseEnvironment("Testing");
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}
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}

‎PhantomDave.BankTracking.IntegrationTests/PhantomDave.BankTracking.IntegrationTests.csproj‎

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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<TargetFramework>net10.0</TargetFramework>
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<ImplicitUsings>enable</ImplicitUsings>
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<Nullable>enable</Nullable>
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<IsPackable>false</IsPackable>
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</PropertyGroup>
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<ItemGroup>
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<PackageReference Include="coverlet.collector" />
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<PackageReference Include="Microsoft.NET.Test.Sdk" />
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<PackageReference Include="xunit" />
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<PackageReference Include="xunit.runner.visualstudio" />
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<PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" />
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<PackageReference Include="FluentAssertions" />
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<PackageReference Include="Microsoft.EntityFrameworkCore.InMemory" />
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</ItemGroup>
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<ItemGroup>
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<Using Include="Xunit" />
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</ItemGroup>
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<ItemGroup>
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<ProjectReference Include="..\PhantomDave.BankTracking.Api\PhantomDave.BankTracking.Api.csproj" />
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</ItemGroup>
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</Project>

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