Static blog with front page summary

Goal: have a personal blog, and try out another point in the 'modular
app design with elixir' space.

Designing OTP systems with elixir had some interesting ideas.

app/test/firehose_web/controllers/blog_test.exs

@@ -0,0 +1,88 @@
+defmodule FirehoseWeb.BlogTest do
+  use FirehoseWeb.ConnCase
+
+  describe "engineering blog (HTML)" do
+    test "GET /blog/engineering returns HTML index with layout", %{conn: conn} do
+      conn = get(conn, "/blog/engineering")
+      body = html_response(conn, 200)
+      assert body =~ "Engineering Blog"
+      assert body =~ "Hello World"
+      # Verify app layout is present (navbar)
+      assert body =~ "firehose"
+    end
+
+    test "GET /blog/engineering/:slug returns HTML post with layout", %{conn: conn} do
+      conn = get(conn, "/blog/engineering/hello-world")
+      body = html_response(conn, 200)
+      assert body =~ "Hello World"
+      assert body =~ "firehose"
+    end
+
+    test "GET /blog/engineering/tag/:tag returns HTML tag page", %{conn: conn} do
+      conn = get(conn, "/blog/engineering/tag/elixir")
+      body = html_response(conn, 200)
+      assert body =~ ~s(tagged "elixir")
+      assert body =~ "Hello World"
+    end
+  end
+
+  describe "release notes blog (HTML)" do
+    test "GET /blog/releases returns HTML index", %{conn: conn} do
+      conn = get(conn, "/blog/releases")
+      body = html_response(conn, 200)
+      assert body =~ "Release Notes"
+      assert body =~ "v0.1.0 Released"
+    end
+
+    test "GET /blog/releases/:slug returns HTML post", %{conn: conn} do
+      conn = get(conn, "/blog/releases/v0-1-0")
+      body = html_response(conn, 200)
+      assert body =~ "v0.1.0 Released"
+    end
+  end
+
+  describe "engineering blog (JSON API)" do
+    test "GET /api/blog/engineering returns post index", %{conn: conn} do
+      conn = get(conn, "/api/blog/engineering")
+      assert %{"blog" => "engineering", "posts" => posts} = json_response(conn, 200)
+      assert is_list(posts)
+      assert length(posts) > 0
+    end
+
+    test "GET /api/blog/engineering/:slug returns a post", %{conn: conn} do
+      conn = get(conn, "/api/blog/engineering/hello-world")
+      assert %{"id" => "hello-world", "title" => "Hello World"} = json_response(conn, 200)
+    end
+
+    test "GET /api/blog/engineering/:slug returns 404 for missing post", %{conn: conn} do
+      conn = get(conn, "/api/blog/engineering/nonexistent")
+      assert response(conn, 404)
+    end
+
+    test "GET /api/blog/engineering/feed.xml returns RSS", %{conn: conn} do
+      conn = get(conn, "/api/blog/engineering/feed.xml")
+      assert response_content_type(conn, :xml)
+      assert response(conn, 200) =~ "<rss"
+    end
+  end
+
+  describe "release notes blog (JSON API)" do
+    test "GET /api/blog/releases returns post index", %{conn: conn} do
+      conn = get(conn, "/api/blog/releases")
+      assert %{"blog" => "release_notes", "posts" => posts} = json_response(conn, 200)
+      assert is_list(posts)
+      assert length(posts) > 0
+    end
+
+    test "GET /api/blog/releases/:slug returns a post", %{conn: conn} do
+      conn = get(conn, "/api/blog/releases/v0-1-0")
+      assert %{"id" => "v0-1-0", "title" => "v0.1.0 Released"} = json_response(conn, 200)
+    end
+
+    test "GET /api/blog/releases/feed.xml returns RSS", %{conn: conn} do
+      conn = get(conn, "/api/blog/releases/feed.xml")
+      assert response_content_type(conn, :xml)
+      assert response(conn, 200) =~ "<rss"
+    end
+  end
+end

app/test/firehose_web/controllers/error_html_test.exs

@@ -0,0 +1,14 @@
+defmodule FirehoseWeb.ErrorHTMLTest do
+  use FirehoseWeb.ConnCase, async: true
+
+  # Bring render_to_string/4 for testing custom views
+  import Phoenix.Template, only: [render_to_string: 4]
+
+  test "renders 404.html" do
+    assert render_to_string(FirehoseWeb.ErrorHTML, "404", "html", []) == "Not Found"
+  end
+
+  test "renders 500.html" do
+    assert render_to_string(FirehoseWeb.ErrorHTML, "500", "html", []) == "Internal Server Error"
+  end
+end

app/test/firehose_web/controllers/error_json_test.exs

@@ -0,0 +1,12 @@
+defmodule FirehoseWeb.ErrorJSONTest do
+  use FirehoseWeb.ConnCase, async: true
+
+  test "renders 404" do
+    assert FirehoseWeb.ErrorJSON.render("404.json", %{}) == %{errors: %{detail: "Not Found"}}
+  end
+
+  test "renders 500" do
+    assert FirehoseWeb.ErrorJSON.render("500.json", %{}) ==
+             %{errors: %{detail: "Internal Server Error"}}
+  end
+end

app/test/firehose_web/controllers/page_controller_test.exs

@@ -0,0 +1,10 @@
+defmodule FirehoseWeb.PageControllerTest do
+  use FirehoseWeb.ConnCase
+
+  test "GET /", %{conn: conn} do
+    conn = get(conn, ~p"/")
+    body = html_response(conn, 200)
+    assert body =~ "Drinking from the firehose"
+    assert body =~ "Willem van den Ende"
+  end
+end