fix blog tag clicks, and new post

app/test/firehose_web/controllers/blog_tags_test.exs

@@ -0,0 +1,123 @@
+defmodule FirehoseWeb.BlogTagsTest do
+  use FirehoseWeb.ConnCase
+
+  defp goto_engineering_tag_page(conn, tag) do
+    path = "/blog/engineering/tag/#{tag}"
+    conn = get(conn, path)
+    body = html_response(conn, 200)
+    assert body =~ ~s(tagged "#{tag}")
+    assert body =~ "Engineering Blog"
+    body
+  end
+
+  defp goto_releases_tag_page(conn, tag) do
+    path = "/blog/releases/tag/#{tag}"
+    conn = get(conn, path)
+    body = html_response(conn, 200)
+    assert body =~ ~s(tagged "#{tag}")
+    assert body =~ "Release Notes"
+    body
+  end
+
+  describe "engineering blog tags" do
+    test "GET /blog/engineering/tag/:tag shows tag page with all posts", %{conn: conn} do
+      body = goto_engineering_tag_page(conn, "elixir")
+      assert body =~ "Hello World"
+    end
+
+    test "GET /blog/engineering/tag/:tag page shows filtered posts", %{conn: conn} do
+      body = goto_engineering_tag_page(conn, "phoenix")
+      assert body =~ "Hello World"
+    end
+
+    test "GET /blog/engineering/tag/:tag page shows empty list for nonexistent tag", %{
+      conn: conn
+    } do
+      body = get(conn, "/blog/engineering/tag/nonexistent-tag")
+      assert html_response(body, 200) =~ ~s(tagged "nonexistent-tag")
+    end
+  end
+
+  describe "release notes blog tags" do
+    test "GET /blog/releases/tag/:tag shows tag page with all posts", %{conn: conn} do
+      body = goto_releases_tag_page(conn, "release")
+      assert body =~ "v0.1.0 Released"
+    end
+
+    test "GET /blog/releases/tag/:tag page shows filtered posts", %{conn: conn} do
+      body = get(conn, "/blog/releases/tag/nonexistent-tag")
+      assert html_response(body, 200) =~ ~s(tagged "nonexistent-tag")
+    end
+  end
+
+  describe "tag URL pattern" do
+    test "tag URLs follow pattern /blog/:blog_id/tag/:tag for engineering blog", %{conn: conn} do
+      # Test that the tag route exists and works correctly
+      conn = get(conn, "/blog/engineering/tag/elixir")
+      assert html_response(conn, 200) =~ ~s(tagged "elixir")
+
+      conn = get(conn, "/blog/engineering/tag/phoenix")
+      assert html_response(conn, 200) =~ ~s(tagged "phoenix")
+    end
+
+    test "tag URLs follow pattern /blog/:blog_id/tag/:tag for releases blog", %{conn: conn} do
+      # Test that the tag route exists and works correctly
+      conn = get(conn, "/blog/releases/tag/release")
+      assert html_response(conn, 200) =~ ~s(tagged "release")
+    end
+
+    test "nonexistent tags return 200 with empty post list", %{conn: conn} do
+      conn = get(conn, "/blog/engineering/tag/nonexistent-tag")
+      assert html_response(conn, 200)
+    end
+  end
+
+  describe "tag page structure" do
+    test "tag page has proper layout and back link", %{conn: conn} do
+      body = goto_engineering_tag_page(conn, "elixir")
+
+      assert body =~ "Engineering Blog"
+      assert body =~ ~s(tagged "elixir")
+      assert body =~ "All posts"
+    end
+
+    test "release tag page has proper layout and back link", %{conn: conn} do
+      body = goto_releases_tag_page(conn, "release")
+
+      assert body =~ "Release Notes"
+      assert body =~ ~s(tagged "release")
+      assert body =~ "All posts"
+    end
+  end
+
+  describe "clickable tags on index page" do
+    test "tags are rendered as clickable links on engineering blog index", %{
+      conn: conn
+    } do
+      conn = get(conn, "/blog/engineering")
+      body = html_response(conn, 200)
+
+      # Verify tag links exist with correct href pattern
+      assert body =~ ~r{href="/blog/engineering/tag/meta"}
+      assert body =~ ~r{href="/blog/engineering/tag/ai"}
+    end
+
+    test "tags are rendered as clickable links on releases blog index", %{
+      conn: conn
+    } do
+      conn = get(conn, "/blog/releases")
+      body = html_response(conn, 200)
+
+      # Verify tag link exists
+      assert body =~ ~r{href="/blog/releases/tag/release"}
+    end
+
+    test "tag links have proper styling classes", %{conn: conn} do
+      conn = get(conn, "/blog/engineering")
+      body = html_response(conn, 200)
+
+      # Verify blogex-tag-link class is present for tag links
+      assert body =~ ~r{class="[^"]*blogex-tag-link}
+    end
+  end
+end