diff --git a/test/aprsme/postgres_notifier_test.exs b/test/aprsme/postgres_notifier_test.exs
new file mode 100644
index 0000000..bea6c96
--- /dev/null
+++ b/test/aprsme/postgres_notifier_test.exs
@@ -0,0 +1,24 @@
+defmodule Aprsme.PostgresNotifierTest do
+  use ExUnit.Case, async: true
+
+  alias Aprsme.PostgresNotifier
+
+  describe "handle_info/2 notification forwarding" do
+    test "broadcasts the payload on Aprsme.PubSub for aprs_events channel" do
+      :ok = Phoenix.PubSub.subscribe(Aprsme.PubSub, "postgres:aprsme_events")
+
+      msg = {:notification, :conn_stub, :from_pid, "aprs_events", "payload-content"}
+
+      assert {:noreply, state} = PostgresNotifier.handle_info(msg, %{conn: :stub})
+      assert state.conn == :stub
+
+      assert_receive {:postgres_notify, "payload-content"}, 500
+    end
+
+    test "ignores unrelated messages" do
+      state = %{conn: :stub}
+      assert {:noreply, ^state} = PostgresNotifier.handle_info(:random_message, state)
+      assert {:noreply, ^state} = PostgresNotifier.handle_info({:other_tuple, "data"}, state)
+    end
+  end
+end
diff --git a/test/aprsme_web/components/core_components_test.exs b/test/aprsme_web/components/core_components_test.exs
index 9305ec8..c084aa3 100644
--- a/test/aprsme_web/components/core_components_test.exs
+++ b/test/aprsme_web/components/core_components_test.exs
@@ -145,6 +145,122 @@ defmodule AprsmeWeb.CoreComponentsTest do
       # Checkbox is pre-checked when value matches "true".
       assert html =~ "checked"
     end
+
+    test "checkbox is unchecked when value is not 'true'" do
+      html =
+        render_component(&CoreComponents.input/1, %{
+          id: "flag",
+          name: "flag",
+          type: "checkbox",
+          value: "false",
+          errors: []
+        })
+
+      refute html =~ " checked "
+    end
+  end
+
+  describe "input/1 select" do
+    test "renders a select with options" do
+      html =
+        render_component(&CoreComponents.input/1, %{
+          id: "color",
+          name: "color",
+          type: "select",
+          label: "Color",
+          value: "red",
+          errors: [],
+          options: [{"Red", "red"}, {"Blue", "blue"}],
+          multiple: false,
+          prompt: nil
+        })
+
+      assert html =~ "<select"
+      assert html =~ "Red"
+      assert html =~ "Blue"
+    end
+
+    test "renders the prompt when given" do
+      html =
+        render_component(&CoreComponents.input/1, %{
+          id: "color",
+          name: "color",
+          type: "select",
+          label: "Color",
+          value: nil,
+          errors: [],
+          options: [{"Red", "red"}],
+          multiple: false,
+          prompt: "Pick one"
+        })
+
+      assert html =~ "Pick one"
+    end
+  end
+
+  describe "input/1 textarea" do
+    test "renders a textarea with the value as content" do
+      html =
+        render_component(&CoreComponents.input/1, %{
+          id: "bio",
+          name: "bio",
+          type: "textarea",
+          label: "Bio",
+          value: "hello world",
+          errors: []
+        })
+
+      assert html =~ "<textarea"
+      assert html =~ "hello world"
+    end
+
+    test "applies error styling when errors are present" do
+      html =
+        render_component(&CoreComponents.input/1, %{
+          id: "bio",
+          name: "bio",
+          type: "textarea",
+          label: "Bio",
+          value: "",
+          errors: ["is required"]
+        })
+
+      assert html =~ "border-rose-400"
+      assert html =~ "is required"
+    end
+  end
+
+  describe "input/1 generic" do
+    test "renders a text input with errors" do
+      html =
+        render_component(&CoreComponents.input/1, %{
+          id: "email",
+          name: "email",
+          type: "text",
+          label: "Email",
+          value: "",
+          errors: ["is invalid"]
+        })
+
+      assert html =~ ~s(name="email")
+      assert html =~ "is invalid"
+      assert html =~ "border-rose-400"
+    end
+
+    test "uses no-error styling when errors are empty" do
+      html =
+        render_component(&CoreComponents.input/1, %{
+          id: "email",
+          name: "email",
+          type: "text",
+          label: "Email",
+          value: "a@b",
+          errors: []
+        })
+
+      assert html =~ "border-zinc-300"
+      refute html =~ "border-rose-400"
+    end
   end
 
   describe "show/1 and hide/1" do