Initial curated itworx-knowledge-hub source from 3b1751d0d9dee551aa6994eee0093704dc334817

tests/backend/ItWorx.KnowledgeHub.IntegrationTests/Knowledge/TemplateTests.cs

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+using System.Net.Http.Json;
+using ItWorx.KnowledgeHub.Contracts.Knowledge;
+using ItWorx.KnowledgeHub.IntegrationTests.Infrastructure;
+
+namespace ItWorx.KnowledgeHub.IntegrationTests.Knowledge;
+
+/// <summary>Templates create valid study note, runbook, ADR and troubleshooting
+/// documents (docs/27-acceptance-matrix.md, M2-A06).</summary>
+[Collection(PostgresTestGroup.Name)]
+public sealed class TemplateTests(PostgresContainerFixture postgres) : OwnerSetupTestBase(postgres)
+{
+    [Fact]
+    public async Task All_four_built_in_templates_are_listed()
+    {
+        using var client = Factory.CreateClient();
+        await SetupHelper.LoginAsync(client, OwnerEmail, OwnerPassword);
+
+        var templates = await client.GetFromJsonAsync<IReadOnlyList<TemplateSummary>>("/api/v1/templates");
+
+        Assert.NotNull(templates);
+        Assert.Equal(4, templates.Count);
+        Assert.Contains(templates, t => t.Key == "study-note");
+        Assert.Contains(templates, t => t.Key == "runbook");
+        Assert.Contains(templates, t => t.Key == "architecture-decision");
+        Assert.Contains(templates, t => t.Key == "troubleshooting");
+    }
+
+    [Theory]
+    [InlineData("study-note", "StudyNote", "## Kernidee")]
+    [InlineData("runbook", "Runbook", "## Rollback")]
+    [InlineData("architecture-decision", "ArchitectureDecision", "## Beslissing")]
+    [InlineData("troubleshooting", "Troubleshooting", "## Escalatie")]
+    public async Task Creating_a_page_from_a_template_produces_the_expected_structure(
+        string templateKey,
+        string expectedDocumentType,
+        string expectedSectionHeading)
+    {
+        using var client = Factory.CreateClient();
+        await SetupHelper.LoginAsync(client, OwnerEmail, OwnerPassword);
+
+        var response = await SetupHelper.PostWithCsrfAsync(
+            client,
+            "/api/v1/pages",
+            new CreatePageRequest(null, $"Sjabloontest {templateKey}", null, null, templateKey));
+        response.EnsureSuccessStatusCode();
+
+        var page = await response.Content.ReadFromJsonAsync<PageDetail>();
+        Assert.NotNull(page);
+        Assert.Equal(expectedDocumentType, page.DocumentType);
+        Assert.Contains($"# Sjabloontest {templateKey}", page.Markdown, StringComparison.Ordinal);
+        Assert.Contains(expectedSectionHeading, page.Markdown, StringComparison.Ordinal);
+    }
+
+    [Fact]
+    public async Task An_unknown_template_key_is_rejected()
+    {
+        using var client = Factory.CreateClient();
+        await SetupHelper.LoginAsync(client, OwnerEmail, OwnerPassword);
+
+        var response = await SetupHelper.PostWithCsrfAsync(
+            client, "/api/v1/pages", new CreatePageRequest(null, "Ongeldig sjabloon", null, null, "does-not-exist"));
+
+        Assert.Equal(System.Net.HttpStatusCode.UnprocessableEntity, response.StatusCode);
+    }
+}