diff --git a/test/aprsme/accounts/user_test.exs b/test/aprsme/accounts/user_test.exs
index ea5b6d2..3f77eb9 100644
--- a/test/aprsme/accounts/user_test.exs
+++ b/test/aprsme/accounts/user_test.exs
@@ -93,4 +93,115 @@ defmodule Aprsme.Accounts.UserTest do
       assert get_change(changeset, :callsign) == "W2XYZ"
     end
   end
+
+  describe "email_changeset/2" do
+    test "requires email to change" do
+      user = %User{email: "a@b.com"}
+      changeset = User.email_changeset(user, %{email: "a@b.com"})
+      errors = errors_on(changeset)
+      assert Map.has_key?(errors, :email)
+      assert "did not change" in errors.email
+    end
+
+    test "validates format of the new email" do
+      user = %User{email: "a@b.com"}
+      changeset = User.email_changeset(user, %{email: "bad email"})
+      errors = errors_on(changeset)
+      assert "must have the @ sign and no spaces" in errors.email
+    end
+  end
+
+  describe "password_changeset/2" do
+    test "requires matching confirmation" do
+      user = %User{}
+
+      changeset =
+        User.password_changeset(user, %{
+          "password" => "abcdefghijkl",
+          "password_confirmation" => "different"
+        })
+
+      errors = errors_on(changeset)
+      assert "does not match password" in errors.password_confirmation
+    end
+
+    test "hashes password when valid" do
+      user = %User{}
+
+      changeset =
+        User.password_changeset(user, %{
+          "password" => "abcdefghijkl",
+          "password_confirmation" => "abcdefghijkl"
+        })
+
+      assert changeset.valid?
+      assert is_binary(get_change(changeset, :hashed_password))
+      # Plaintext password is dropped after hashing.
+      refute get_change(changeset, :password)
+    end
+  end
+
+  describe "confirm_changeset/1" do
+    test "sets confirmed_at to the current time truncated to seconds" do
+      changeset = User.confirm_changeset(%User{})
+      confirmed_at = get_change(changeset, :confirmed_at)
+      assert %NaiveDateTime{} = confirmed_at
+      # No microseconds — truncated.
+      assert confirmed_at.microsecond == {0, 0}
+    end
+  end
+
+  describe "valid_password?/2" do
+    test "returns false when the user has no hashed password" do
+      refute User.valid_password?(%User{hashed_password: nil}, "any")
+    end
+
+    test "returns false when the provided password is empty" do
+      user = %User{hashed_password: Bcrypt.hash_pwd_salt("hello world!")}
+      refute User.valid_password?(user, "")
+    end
+
+    test "returns true for the correct password" do
+      user = %User{hashed_password: Bcrypt.hash_pwd_salt("hello world!")}
+      assert User.valid_password?(user, "hello world!")
+    end
+
+    test "returns false for the wrong password" do
+      user = %User{hashed_password: Bcrypt.hash_pwd_salt("hello world!")}
+      refute User.valid_password?(user, "wrong")
+    end
+  end
+
+  describe "validate_current_password/2" do
+    test "adds an error when the password is wrong" do
+      user = %User{hashed_password: Bcrypt.hash_pwd_salt("hello world!")}
+      changeset = Ecto.Changeset.change(user)
+      changeset = User.validate_current_password(changeset, "wrong")
+      errors = errors_on(changeset)
+      assert "is not valid" in errors.current_password
+    end
+
+    test "does not add an error when the password is correct" do
+      user = %User{hashed_password: Bcrypt.hash_pwd_salt("hello world!")}
+      changeset = Ecto.Changeset.change(user)
+      changeset = User.validate_current_password(changeset, "hello world!")
+      assert changeset.valid?
+    end
+  end
+
+  describe "Inspect protocol" do
+    test "redacts the hashed and plaintext passwords" do
+      user = %User{
+        email: "a@b.com",
+        hashed_password: "super-secret-hash",
+        password: "super-secret"
+      }
+
+      output = inspect(user)
+      refute output =~ "super-secret-hash"
+      refute output =~ "super-secret"
+      # The email is non-redacted, so it should still appear.
+      assert output =~ "a@b.com"
+    end
+  end
 end
diff --git a/test/aprsme/packet_replay_test.exs b/test/aprsme/packet_replay_test.exs
index b30c8c8..db9021e 100644
--- a/test/aprsme/packet_replay_test.exs
+++ b/test/aprsme/packet_replay_test.exs
@@ -155,4 +155,115 @@ defmodule Aprsme.PacketReplayTest do
       assert {:ok, _state} = result2
     end
   end
+
+  describe "handle_call/3" do
+    setup do
+      # Flush any messages lingering from init send_self.
+      {:ok, state} = PacketReplay.init(user_id: "caller", bounds: [0, 0, 1, 1])
+
+      receive do
+        :start_replay -> :ok
+      after
+        0 -> :ok
+      end
+
+      {:ok, state: state}
+    end
+
+    test "pause cancels any pending timer and marks state paused", %{state: state} do
+      timer_ref = Process.send_after(self(), :noop, 60_000)
+      state = %{state | replay_timer: timer_ref}
+
+      assert {:reply, :ok, new_state} = PacketReplay.handle_call(:pause, self(), state)
+      assert new_state.paused
+      assert is_nil(new_state.replay_timer)
+    end
+
+    test "resume from paused sends continue message and flips flag", %{state: state} do
+      state = %{state | paused: true}
+      assert {:reply, :ok, new_state} = PacketReplay.handle_call(:resume, self(), state)
+      refute new_state.paused
+      assert_received {:continue_replay}
+    end
+
+    test "resume when already running is a no-op", %{state: state} do
+      assert {:reply, :ok, ^state} = PacketReplay.handle_call(:resume, self(), state)
+    end
+
+    test "set_speed updates the replay speed", %{state: state} do
+      assert {:reply, :ok, %{replay_speed: 7.5}} =
+               PacketReplay.handle_call({:set_speed, 7.5}, self(), state)
+    end
+
+    test "update_filters merges new keys into state", %{state: state} do
+      filters = [callsign: "K1ABC", replay_speed: 3.0]
+
+      assert {:reply, :ok, new_state} =
+               PacketReplay.handle_call({:update_filters, filters}, self(), state)
+
+      assert new_state.callsign == "K1ABC"
+      assert new_state.replay_speed == 3.0
+      assert new_state.packets_sent == 0
+    end
+
+    test "update_filters rejects invalid bounds and keeps the old bounds", %{state: state} do
+      filters = [bounds: "not a list"]
+
+      assert {:reply, :ok, new_state} =
+               PacketReplay.handle_call({:update_filters, filters}, self(), state)
+
+      # Should have reverted to the original bounds.
+      assert new_state.bounds == state.bounds
+    end
+
+    test "get_info returns a public view of state", %{state: state} do
+      assert {:reply, info, ^state} = PacketReplay.handle_call(:get_info, self(), state)
+      assert info.user_id == "caller"
+      assert info.bounds == [0, 0, 1, 1]
+      assert info.paused == false
+      assert info.packets_sent == 0
+    end
+  end
+
+  describe "handle_info/2 paused path" do
+    test "pause-time :send_packet reschedules via timer rather than broadcasting" do
+      {:ok, state} = PacketReplay.init(user_id: "paused", bounds: [0, 0, 1, 1])
+
+      receive do
+        :start_replay -> :ok
+      after
+        0 -> :ok
+      end
+
+      state = %{state | paused: true}
+      packet = %{received_at: DateTime.utc_now()}
+      stream = Stream.repeatedly(fn -> {0.0, packet} end)
+
+      assert {:noreply, new_state} =
+               PacketReplay.handle_info({:send_packet, packet, stream}, state)
+
+      # A new timer ref should be set for rescheduling.
+      assert is_reference(new_state.replay_timer)
+      Process.cancel_timer(new_state.replay_timer)
+    end
+  end
+
+  describe "terminate/2" do
+    test "cancels pending timer and returns :ok" do
+      {:ok, state} = PacketReplay.init(user_id: "terminated", bounds: [0, 0, 1, 1])
+
+      receive do
+        :start_replay -> :ok
+      after
+        0 -> :ok
+      end
+
+      timer_ref = Process.send_after(self(), :noop, 60_000)
+      state = %{state | replay_timer: timer_ref}
+
+      assert :ok = PacketReplay.terminate(:shutdown, state)
+      # Timer should have been cancelled.
+      assert Process.read_timer(timer_ref) == false
+    end
+  end
 end
diff --git a/test/aprsme/shutdown_handler_test.exs b/test/aprsme/shutdown_handler_test.exs
index 41647e6..1dff6e9 100644
--- a/test/aprsme/shutdown_handler_test.exs
+++ b/test/aprsme/shutdown_handler_test.exs
@@ -47,4 +47,71 @@ defmodule Aprsme.ShutdownHandlerTest do
       assert is_boolean(ShutdownHandler.shutting_down?())
     end
   end
+
+  describe "init/1" do
+    test "traps exits and reads drain timeout from the environment" do
+      # Run in a child process so we don't trip up the test process with a
+      # sticky :trap_exit flag.
+      task =
+        Task.async(fn ->
+          prev = System.get_env("DRAIN_TIMEOUT_MS")
+          System.put_env("DRAIN_TIMEOUT_MS", "1234")
+
+          try do
+            assert {:ok, state} = ShutdownHandler.init([])
+            assert state.shutting_down == false
+            assert state.drain_timeout == 1234
+            assert Process.info(self(), :trap_exit) == {:trap_exit, true}
+          after
+            if prev do
+              System.put_env("DRAIN_TIMEOUT_MS", prev)
+            else
+              System.delete_env("DRAIN_TIMEOUT_MS")
+            end
+          end
+        end)
+
+      Task.await(task)
+    end
+  end
+
+  describe "handle_call(:shutdown, _, state) starting shutdown" do
+    test "marks state as shutting_down" do
+      # initiate_shutdown also schedules :begin_connection_drain after 15s via
+      # Process.send_after — too long to wait for in tests. We just verify the
+      # state transition; handle_info(:begin_connection_drain) is tested below.
+      state = %{shutting_down: false, drain_timeout: 50}
+
+      assert {:reply, :ok, new_state} =
+               ShutdownHandler.handle_call(:shutdown, self(), state)
+
+      assert new_state.shutting_down == true
+    end
+  end
+
+  describe "handle_info(:begin_connection_drain, state)" do
+    test "schedules force_shutdown after drain_timeout" do
+      state = %{shutting_down: true, drain_timeout: 50}
+
+      assert {:noreply, ^state} =
+               ShutdownHandler.handle_info(:begin_connection_drain, state)
+
+      assert_receive :force_shutdown, 200
+    end
+  end
+
+  describe "terminate/2" do
+    test "returns :ok for normal shutdowns without invoking drain" do
+      state = %{shutting_down: false, drain_timeout: 60_000}
+      assert :ok = ShutdownHandler.terminate(:shutdown, state)
+      assert :ok = ShutdownHandler.terminate({:shutdown, :any}, state)
+      assert :ok = ShutdownHandler.terminate(:normal, state)
+    end
+
+    test "returns :ok when state is already shutting_down" do
+      # Abnormal reason, but shutting_down is already true — no drain sleep.
+      state = %{shutting_down: true, drain_timeout: 60_000}
+      assert :ok = ShutdownHandler.terminate(:crash, state)
+    end
+  end
 end
diff --git a/test/aprsme/telemetry/database_metrics_test.exs b/test/aprsme/telemetry/database_metrics_test.exs
index 8de3223..52f4b81 100644
--- a/test/aprsme/telemetry/database_metrics_test.exs
+++ b/test/aprsme/telemetry/database_metrics_test.exs
@@ -1,8 +1,8 @@
 defmodule Aprsme.Telemetry.DatabaseMetricsTest do
-  # Attaches telemetry handlers at test-specific event names so each test is
-  # isolated, but we still keep async: false to avoid handler-name collisions
-  # in process-global state.
-  use ExUnit.Case, async: false
+  # Uses DataCase for a sandbox DB checkout — some metrics run live queries
+  # against pg_stat_* views. async: false because we mutate :aprsme :env
+  # in one test.
+  use Aprsme.DataCase, async: false
 
   alias Aprsme.Telemetry.DatabaseMetrics
 
@@ -56,4 +56,32 @@ defmodule Aprsme.Telemetry.DatabaseMetricsTest do
       assert DatabaseMetrics.collect_pgbouncer_metrics() == :ok
     end
   end
+
+  describe "collect_postgres_metrics/0 outside :test env" do
+    test "emits database, connections, packets_table and query_stats telemetry events" do
+      original = Application.get_env(:aprsme, :env)
+      Application.put_env(:aprsme, :env, :prod)
+
+      # Attach collectors for every event emitted by the helpers.
+      attach_collector([:aprsme, :postgres, :database])
+      attach_collector([:aprsme, :postgres, :connections])
+      attach_collector([:aprsme, :postgres, :packets_table])
+      # Query stats requires pg_stat_statements which may not be loaded —
+      # don't assert on that one, just call the function.
+
+      try do
+        DatabaseMetrics.collect_postgres_metrics()
+      after
+        Application.put_env(:aprsme, :env, original)
+      end
+
+      assert_receive {:telemetry, [:aprsme, :postgres, :database], %{size_bytes: size}, _}, 2_000
+      assert is_number(size) and size > 0
+
+      assert_receive {:telemetry, [:aprsme, :postgres, :connections], conn_metrics, _}, 2_000
+      assert Map.has_key?(conn_metrics, :total)
+      assert Map.has_key?(conn_metrics, :active)
+      assert Map.has_key?(conn_metrics, :idle)
+    end
+  end
 end
diff --git a/test/aprsme_web/components/error_boundary_test.exs b/test/aprsme_web/components/error_boundary_test.exs
new file mode 100644
index 0000000..da32cf7
--- /dev/null
+++ b/test/aprsme_web/components/error_boundary_test.exs
@@ -0,0 +1,55 @@
+defmodule AprsmeWeb.Components.ErrorBoundaryTest do
+  use ExUnit.Case, async: true
+
+  import Phoenix.LiveViewTest
+
+  alias AprsmeWeb.Components.ErrorBoundary
+
+  test "renders inner content and default fallback" do
+    html =
+      render_component(&ErrorBoundary.error_boundary/1, %{
+        id: "boundary-1",
+        inner_block: text_slot("hello world"),
+        fallback: []
+      })
+
+    assert html =~ ~s(id="boundary-1")
+    assert html =~ "hello world"
+    assert html =~ "phx-hook=\"ErrorBoundary\""
+    assert html =~ "error-boundary-fallback hidden"
+    # The default error message is rendered when no fallback slot is provided.
+    assert html =~ "Something went wrong"
+    assert html =~ "Refresh page"
+  end
+
+  test "honours custom class" do
+    html =
+      render_component(&ErrorBoundary.error_boundary/1, %{
+        id: "boundary-2",
+        class: "my-custom-class",
+        inner_block: text_slot("content"),
+        fallback: []
+      })
+
+    assert html =~ "my-custom-class"
+  end
+
+  test "uses the custom fallback slot when provided" do
+    html =
+      render_component(&ErrorBoundary.error_boundary/1, %{
+        id: "boundary-3",
+        inner_block: text_slot("content"),
+        fallback: [
+          %{__slot__: :fallback, inner_block: fn _changed, _ -> "custom error!" end}
+        ]
+      })
+
+    assert html =~ "custom error!"
+    # Default error message should not appear when a custom fallback is used.
+    refute html =~ "Something went wrong"
+  end
+
+  defp text_slot(text) do
+    [%{__slot__: :inner_block, inner_block: fn _changed, _ -> text end}]
+  end
+end
diff --git a/test/aprsme_web/controllers/page_html_test.exs b/test/aprsme_web/controllers/page_html_test.exs
new file mode 100644
index 0000000..253e11c
--- /dev/null
+++ b/test/aprsme_web/controllers/page_html_test.exs
@@ -0,0 +1,12 @@
+defmodule AprsmeWeb.PageHTMLTest do
+  use ExUnit.Case, async: true
+
+  import Phoenix.LiveViewTest
+
+  alias AprsmeWeb.PageHTML
+
+  test "packets/1 renders the packets template" do
+    html = render_component(&PageHTML.packets/1, %{})
+    assert html =~ "Packets"
+  end
+end
diff --git a/test/aprsme_web/live/about_live_test.exs b/test/aprsme_web/live/about_live_test.exs
new file mode 100644
index 0000000..a6843ef
--- /dev/null
+++ b/test/aprsme_web/live/about_live_test.exs
@@ -0,0 +1,10 @@
+defmodule AprsmeWeb.AboutLiveTest do
+  use AprsmeWeb.ConnCase
+
+  import Phoenix.LiveViewTest
+
+  test "renders the about page", %{conn: conn} do
+    {:ok, _lv, html} = live(conn, ~p"/about", on_error: :warn)
+    assert html =~ "aprs.me"
+  end
+end
diff --git a/test/aprsme_web/live/api_docs_live_test.exs b/test/aprsme_web/live/api_docs_live_test.exs
new file mode 100644
index 0000000..fabd50f
--- /dev/null
+++ b/test/aprsme_web/live/api_docs_live_test.exs
@@ -0,0 +1,59 @@
+defmodule AprsmeWeb.ApiDocsLiveTest do
+  use AprsmeWeb.ConnCase
+
+  import Phoenix.LiveViewTest
+
+  describe "ApiDocsLive" do
+    test "renders the API documentation page", %{conn: conn} do
+      {:ok, _lv, html} = live(conn, ~p"/api", on_error: :warn)
+      assert html =~ "API Documentation"
+      assert html =~ "/api/v1/callsign"
+      assert html =~ "/api/v1/weather/nearby"
+    end
+
+    test "update_callsign event updates the callsign input", %{conn: conn} do
+      {:ok, lv, _html} = live(conn, ~p"/api", on_error: :warn)
+
+      rendered =
+        lv
+        |> element("#test_callsign")
+        |> render_change(%{"callsign" => "k1abc"})
+
+      assert rendered =~ "k1abc"
+    end
+
+    test "submitting test_api with empty callsign shows an error", %{conn: conn} do
+      {:ok, lv, _html} = live(conn, ~p"/api", on_error: :warn)
+
+      rendered =
+        lv
+        |> form("form[phx-submit=\"test_api\"]", %{"callsign" => "   "})
+        |> render_submit()
+
+      assert rendered =~ "Please enter a callsign"
+    end
+
+    test "invalid callsign format returns an error response", %{conn: conn} do
+      {:ok, lv, _html} = live(conn, ~p"/api", on_error: :warn)
+
+      # Seed the callsign via the phx-change so the form submits properly.
+      lv
+      |> element("#test_callsign")
+      |> render_change(%{"callsign" => "BAD!"})
+
+      rendered =
+        lv
+        |> form("form[phx-submit=\"test_api\"]", %{"callsign" => "BAD!"})
+        |> render_submit()
+
+      # The handler sends itself a :call_api message; after it returns the
+      # result assign should contain the invalid-format error JSON.
+      render(lv)
+      assert rendered =~ "Test API" or rendered =~ "Testing..."
+
+      # Wait for the async message handler to complete.
+      :ok = Process.sleep(50)
+      assert render(lv) =~ "Invalid callsign format"
+    end
+  end
+end
diff --git a/test/aprsme_web/live/user_confirmation_instructions_live_test.exs b/test/aprsme_web/live/user_confirmation_instructions_live_test.exs
new file mode 100644
index 0000000..1d6febd
--- /dev/null
+++ b/test/aprsme_web/live/user_confirmation_instructions_live_test.exs
@@ -0,0 +1,52 @@
+defmodule AprsmeWeb.UserConfirmationInstructionsLiveTest do
+  use AprsmeWeb.ConnCase
+
+  import Aprsme.AccountsFixtures
+  import Phoenix.LiveViewTest
+
+  alias Aprsme.Accounts
+  alias Aprsme.Repo
+
+  describe "Resend confirmation instructions page" do
+    test "renders the page", %{conn: conn} do
+      {:ok, _lv, html} = live(conn, ~p"/users/confirm", on_error: :warn)
+
+      assert html =~ "Resend confirmation instructions"
+      assert html =~ "Log in"
+      assert html =~ "Register"
+    end
+  end
+
+  describe "Resend confirmation" do
+    setup do
+      %{user: user_fixture()}
+    end
+
+    test "sends a new confirmation token for an unconfirmed user", %{conn: conn, user: user} do
+      {:ok, lv, _html} = live(conn, ~p"/users/confirm", on_error: :warn)
+
+      {:ok, conn} =
+        lv
+        |> form("#resend_confirmation_form", user: %{email: user.email})
+        |> render_submit()
+        |> follow_redirect(conn, "/")
+
+      assert Phoenix.Flash.get(conn.assigns.flash, :info) =~ "If your email is in our system"
+
+      assert Repo.get_by!(Accounts.UserToken, user_id: user.id).context == "confirm"
+    end
+
+    test "does not send confirmation token for unknown email", %{conn: conn} do
+      {:ok, lv, _html} = live(conn, ~p"/users/confirm", on_error: :warn)
+
+      {:ok, conn} =
+        lv
+        |> form("#resend_confirmation_form", user: %{email: "unknown@example.com"})
+        |> render_submit()
+        |> follow_redirect(conn, "/")
+
+      assert Phoenix.Flash.get(conn.assigns.flash, :info) =~ "If your email is in our system"
+      assert Repo.all(Accounts.UserToken) == []
+    end
+  end
+end
diff --git a/test/aprsme_web/live/user_confirmation_live_test.exs b/test/aprsme_web/live/user_confirmation_live_test.exs
new file mode 100644
index 0000000..9a9268a
--- /dev/null
+++ b/test/aprsme_web/live/user_confirmation_live_test.exs
@@ -0,0 +1,71 @@
+defmodule AprsmeWeb.UserConfirmationLiveTest do
+  use AprsmeWeb.ConnCase
+
+  import Aprsme.AccountsFixtures
+  import Phoenix.LiveViewTest
+
+  alias Aprsme.Accounts
+  alias Aprsme.Repo
+
+  setup do
+    %{user: user_fixture()}
+  end
+
+  describe "Confirm user" do
+    test "renders confirmation page", %{conn: conn} do
+      {:ok, _lv, html} = live(conn, ~p"/users/confirm/some-token", on_error: :warn)
+      assert html =~ "Confirm your account"
+    end
+
+    test "confirms the given token once", %{conn: conn, user: user} do
+      token =
+        extract_user_token(fn url ->
+          Accounts.deliver_user_confirmation_instructions(user, url)
+        end)
+
+      {:ok, lv, _html} = live(conn, ~p"/users/confirm/#{token}", on_error: :warn)
+
+      result =
+        lv
+        |> form("#confirmation_form")
+        |> render_submit()
+        |> follow_redirect(conn, "/")
+
+      assert {:ok, conn} = result
+      assert Phoenix.Flash.get(conn.assigns.flash, :info) =~ "User confirmed successfully"
+
+      assert Accounts.get_user!(user.id).confirmed_at
+      refute conn.assigns[:current_user]
+      assert Repo.all(Accounts.UserToken) == []
+
+      # When not logged in a second confirmation attempt says the token is invalid
+      {:ok, lv, _html} = live(conn, ~p"/users/confirm/#{token}", on_error: :warn)
+
+      result =
+        lv
+        |> form("#confirmation_form")
+        |> render_submit()
+        |> follow_redirect(conn, "/")
+
+      assert {:ok, conn} = result
+
+      assert Phoenix.Flash.get(conn.assigns.flash, :error) =~
+               "User confirmation link is invalid or it has expired"
+    end
+
+    test "does not confirm email with invalid token", %{conn: conn, user: user} do
+      {:ok, lv, _html} = live(conn, ~p"/users/confirm/invalid-token", on_error: :warn)
+
+      {:ok, conn} =
+        lv
+        |> form("#confirmation_form")
+        |> render_submit()
+        |> follow_redirect(conn, "/")
+
+      assert Phoenix.Flash.get(conn.assigns.flash, :error) =~
+               "User confirmation link is invalid or it has expired"
+
+      refute Accounts.get_user!(user.id).confirmed_at
+    end
+  end
+end
diff --git a/test/aprsme_web/live/user_forgot_password_live_test.exs b/test/aprsme_web/live/user_forgot_password_live_test.exs
new file mode 100644
index 0000000..44437df
--- /dev/null
+++ b/test/aprsme_web/live/user_forgot_password_live_test.exs
@@ -0,0 +1,52 @@
+defmodule AprsmeWeb.UserForgotPasswordLiveTest do
+  use AprsmeWeb.ConnCase
+
+  import Aprsme.AccountsFixtures
+  import Phoenix.LiveViewTest
+
+  alias Aprsme.Accounts
+  alias Aprsme.Repo
+
+  describe "Forgot password page" do
+    test "renders email page", %{conn: conn} do
+      {:ok, _lv, html} = live(conn, ~p"/users/reset_password", on_error: :warn)
+
+      assert html =~ "Forgot your password?"
+      assert html =~ "Log in"
+      assert html =~ "Register"
+    end
+  end
+
+  describe "Reset link" do
+    setup do
+      %{user: user_fixture()}
+    end
+
+    test "sends a new reset password token for a known email", %{conn: conn, user: user} do
+      {:ok, lv, _html} = live(conn, ~p"/users/reset_password", on_error: :warn)
+
+      {:ok, conn} =
+        lv
+        |> form("#reset_password_form", user: %{"email" => user.email})
+        |> render_submit()
+        |> follow_redirect(conn, "/")
+
+      assert Phoenix.Flash.get(conn.assigns.flash, :info) =~ "If your email is in our system"
+
+      assert Repo.get_by!(Accounts.UserToken, user_id: user.id).context == "reset_password"
+    end
+
+    test "does not send reset password token for an unknown email", %{conn: conn} do
+      {:ok, lv, _html} = live(conn, ~p"/users/reset_password", on_error: :warn)
+
+      {:ok, conn} =
+        lv
+        |> form("#reset_password_form", user: %{"email" => "unknown@example.com"})
+        |> render_submit()
+        |> follow_redirect(conn, "/")
+
+      assert Phoenix.Flash.get(conn.assigns.flash, :info) =~ "If your email is in our system"
+      assert Repo.all(Accounts.UserToken) == []
+    end
+  end
+end
diff --git a/test/aprsme_web/live/user_reset_password_live_test.exs b/test/aprsme_web/live/user_reset_password_live_test.exs
new file mode 100644
index 0000000..50e890e
--- /dev/null
+++ b/test/aprsme_web/live/user_reset_password_live_test.exs
@@ -0,0 +1,87 @@
+defmodule AprsmeWeb.UserResetPasswordLiveTest do
+  use AprsmeWeb.ConnCase
+
+  import Aprsme.AccountsFixtures
+  import Phoenix.LiveViewTest
+
+  alias Aprsme.Accounts
+
+  setup do
+    user = user_fixture()
+
+    token =
+      extract_user_token(fn url ->
+        Accounts.deliver_user_reset_password_instructions(user, url)
+      end)
+
+    %{token: token, user: user}
+  end
+
+  describe "Reset password page" do
+    test "renders reset password with valid token", %{conn: conn, token: token} do
+      {:ok, _lv, html} = live(conn, ~p"/users/reset_password/#{token}", on_error: :warn)
+      assert html =~ "Reset Password"
+    end
+
+    test "does not render reset password with invalid token", %{conn: conn} do
+      {:error, {:redirect, to}} = live(conn, ~p"/users/reset_password/invalid", on_error: :warn)
+
+      assert to == %{
+               flash: %{"error" => "Reset password link is invalid or it has expired."},
+               to: "/"
+             }
+    end
+
+    test "validate event re-renders the form", %{conn: conn, token: token} do
+      {:ok, lv, _html} = live(conn, ~p"/users/reset_password/#{token}", on_error: :warn)
+
+      result =
+        lv
+        |> element("#reset_password_form")
+        |> render_change(user: %{"password" => "secret12", "password_confirmation" => "secret123456"})
+
+      # The validate event runs without raising and the form is re-rendered.
+      assert result =~ "Reset Password"
+    end
+  end
+
+  describe "Reset Password" do
+    test "resets password once", %{conn: conn, token: token, user: user} do
+      {:ok, lv, _html} = live(conn, ~p"/users/reset_password/#{token}", on_error: :warn)
+
+      {:ok, conn} =
+        lv
+        |> form("#reset_password_form",
+          user: %{
+            "password" => "new valid password",
+            "password_confirmation" => "new valid password"
+          }
+        )
+        |> render_submit()
+        |> follow_redirect(conn, ~p"/users/log_in")
+
+      refute get_session(conn, :user_token)
+      assert Phoenix.Flash.get(conn.assigns.flash, :info) =~ "Password reset successfully"
+      assert Accounts.get_user_by_email_and_password(user.email, "new valid password")
+    end
+
+    test "does not reset password on invalid data", %{conn: conn, token: token} do
+      {:ok, lv, _html} = live(conn, ~p"/users/reset_password/#{token}", on_error: :warn)
+
+      result =
+        lv
+        |> form("#reset_password_form",
+          user: %{
+            "password" => "too short",
+            "password_confirmation" => "does not match"
+          }
+        )
+        |> render_submit()
+
+      # The template shows a generic "Oops, something went wrong!" banner when
+      # the changeset action is :insert, rather than per-field errors.
+      assert result =~ "Reset Password"
+      assert result =~ "Oops, something went wrong!"
+    end
+  end
+end
diff --git a/test/aprsme_web/live/weather_live/callsign_view_test.exs b/test/aprsme_web/live/weather_live/callsign_view_test.exs
new file mode 100644
index 0000000..f03188d
--- /dev/null
+++ b/test/aprsme_web/live/weather_live/callsign_view_test.exs
@@ -0,0 +1,81 @@
+defmodule AprsmeWeb.WeatherLive.CallsignViewTest do
+  use AprsmeWeb.ConnCase
+
+  import Phoenix.LiveViewTest
+
+  alias AprsmeWeb.WeatherLive.CallsignView
+
+  describe "mount via HTTP" do
+    test "renders the weather view for a callsign", %{conn: conn} do
+      {:ok, _lv, html} = live(conn, ~p"/weather/N0CALL", on_error: :warn)
+      assert html =~ "N0CALL"
+    end
+
+    test "normalizes lowercase callsign to uppercase", %{conn: conn} do
+      {:ok, _lv, html} = live(conn, ~p"/weather/k1abc", on_error: :warn)
+      assert html =~ "K1ABC"
+    end
+  end
+
+  describe "has_weather_field?/2" do
+    test "returns false for missing fields" do
+      refute CallsignView.has_weather_field?(%{}, :temperature)
+    end
+
+    test "returns false for nil values" do
+      refute CallsignView.has_weather_field?(%{temperature: nil}, :temperature)
+    end
+
+    test "returns true for numeric values" do
+      assert CallsignView.has_weather_field?(%{temperature: 72.5}, :temperature)
+    end
+
+    test "returns true for non-empty string values" do
+      assert CallsignView.has_weather_field?(%{temperature: "72.5"}, :temperature)
+    end
+
+    test "returns false for empty string" do
+      refute CallsignView.has_weather_field?(%{temperature: ""}, :temperature)
+    end
+  end
+
+  describe "get_weather_field_zero/2" do
+    test "replaces N/A with 0" do
+      assert CallsignView.get_weather_field_zero(%{}, :temperature) == "0"
+    end
+
+    test "passes numeric values through" do
+      assert CallsignView.get_weather_field_zero(%{temperature: 72.5}, :temperature) == 72.5
+    end
+  end
+
+  describe "format_weather_value/3" do
+    test "returns nil for missing values" do
+      assert CallsignView.format_weather_value(%{}, :temperature, "en") == nil
+    end
+
+    test "formats numeric temperature with units" do
+      result = CallsignView.format_weather_value(%{temperature: 72.5}, :temperature, "en")
+      assert is_binary(result)
+      assert result =~ "72"
+    end
+
+    test "formats numeric wind_speed with a space separator" do
+      result = CallsignView.format_weather_value(%{wind_speed: 10.0}, :wind_speed, "en")
+      assert is_binary(result)
+      # Unit appears after the numeric value with a separator.
+      assert String.contains?(result, " ")
+    end
+
+    test "handles string numeric values" do
+      result = CallsignView.format_weather_value(%{temperature: "72.5"}, :temperature, "en")
+      assert is_binary(result)
+    end
+
+    test "handles string non-numeric values for untracked keys" do
+      # humidity has no entry in @weather_formatters, so binary values are
+      # returned as-is.
+      assert CallsignView.format_weather_value(%{humidity: "65"}, :humidity, "en") == "65"
+    end
+  end
+end
diff --git a/test/mix/tasks/aprs.parse_file_test.exs b/test/mix/tasks/aprs.parse_file_test.exs
new file mode 100644
index 0000000..d09ec8b
--- /dev/null
+++ b/test/mix/tasks/aprs.parse_file_test.exs
@@ -0,0 +1,65 @@
+defmodule Mix.Tasks.Aprs.ParseFileTest do
+  use ExUnit.Case, async: false
+
+  alias Mix.Tasks.Aprs.ParseFile
+
+  @tmp_dir System.tmp_dir!()
+
+  setup do
+    input = Path.join(@tmp_dir, "aprs_parse_file_input_#{System.unique_integer([:positive])}.txt")
+    output = Path.join(@tmp_dir, "aprs_parse_file_output_#{System.unique_integer([:positive])}.txt")
+
+    on_exit(fn ->
+      File.rm(input)
+      File.rm(output)
+    end)
+
+    %{input: input, output: output}
+  end
+
+  test "skips blank and comment lines and writes failed lines to the output", %{
+    input: input,
+    output: output
+  } do
+    File.write!(input, """
+    # a comment
+
+    N0CALL>APRS:this is not a valid packet at all
+    """)
+
+    # Mix tasks emit output via Mix.shell; silence it during the test.
+    Mix.shell(Mix.Shell.Process)
+    ParseFile.run([input, "--output", output])
+
+    assert File.exists?(output)
+    contents = File.read!(output)
+
+    # The garbage line should be written; comments and blank lines should not.
+    refute contents =~ "# a comment"
+    # The parser may or may not accept the "not a valid packet" line depending
+    # on its lenience — but if anything is written, it's that one line.
+    case String.trim(contents) do
+      "" -> :ok
+      line -> assert line == "N0CALL>APRS:this is not a valid packet at all"
+    end
+
+    assert_received {:mix_shell, :info, [msg]}
+    assert msg =~ "Processed"
+  end
+
+  test "errors and exits when input file is missing", %{output: output} do
+    Mix.shell(Mix.Shell.Process)
+
+    missing = Path.join(@tmp_dir, "does_not_exist_#{System.unique_integer([:positive])}.txt")
+
+    try do
+      ParseFile.run([missing, "--output", output])
+      flunk("expected run to exit")
+    catch
+      :exit, {:shutdown, 1} -> :ok
+    end
+
+    assert_received {:mix_shell, :error, [err]}
+    assert err =~ "input file not found"
+  end
+end