diff --git a/src/character/tests/test_pet.py b/src/character/tests/test_pet.py
new file mode 100644
index 0000000..de82580
--- /dev/null
+++ b/src/character/tests/test_pet.py
@@ -0,0 +1,90 @@
+from django.core.management import call_command
+from model_bakery import baker
+from pytest_django.live_server_helper import LiveServer
+from selenium.webdriver.common.by import By
+from selenium.webdriver.firefox.webdriver import WebDriver
+
+from character.models import Character
+from common.models import User
+
+
+def test_pet_happy_path(selenium: WebDriver, live_server: LiveServer):
+    # Load fixtures
+    call_command("loaddata", "initial_data")
+
+    # Create a user
+    username, password = "user", "some_password"
+    player = User.objects.create_user(username, password=password)
+    character = baker.make(Character, player=player)
+
+    # Starting on the character's sheet.
+    selenium.get(live_server.url + character.get_absolute_url())
+
+    # Click on the button to add a pet.
+    selenium.find_element(By.ID, "add-pet").click()
+
+    pet_start_health = 10
+
+    # A form appears, asking the pet's details.
+    # Fill the form.
+    # Fields are: name, health_max, health_remaining, modifier_strength,
+    # modifier_dexterity, modifier_constitution, modifier_intelligence,
+    # modifier_wisdom, modifier_charisma, damage, initiative, defense, attack,
+    # recovery and notes.
+    selenium.find_element(By.ID, "id_name").send_keys("My pet")
+    selenium.find_element(By.ID, "id_health_max").send_keys(str(pet_start_health))
+    selenium.find_element(By.ID, "id_health_remaining").send_keys(str(pet_start_health))
+    selenium.find_element(By.ID, "id_modifier_strength").send_keys("-3")
+    selenium.find_element(By.ID, "id_modifier_dexterity").send_keys("-2")
+    selenium.find_element(By.ID, "id_modifier_constitution").send_keys("-1")
+    selenium.find_element(By.ID, "id_modifier_intelligence").send_keys("1")
+    selenium.find_element(By.ID, "id_modifier_wisdom").send_keys("2")
+    selenium.find_element(By.ID, "id_modifier_charisma").send_keys("3")
+    selenium.find_element(By.ID, "id_damage").send_keys("4")
+    selenium.find_element(By.ID, "id_initiative").send_keys("5")
+    selenium.find_element(By.ID, "id_defense").send_keys("6")
+    selenium.find_element(By.ID, "id_attack").send_keys("7")
+    selenium.find_element(By.ID, "id_recovery").send_keys("1 heure 1 dé de vie")
+    selenium.find_element(By.ID, "id_notes").send_keys("My pet's notes")
+
+    # Save & check redirected to character's sheet.
+    selenium.find_element(By.ID, "save-pet").click()
+    assert selenium.current_url == live_server.url + character.get_absolute_url()
+
+    # Fetch pet
+    pet = character.pets.first()
+
+    # It now displays the pet's information.
+    # There can be multiple pets.
+    assert (
+        selenium.find_element(By.CSS_SELECTOR, f".pet[data-id='{pet.pk}'] .name").text
+        == "My pet"
+    )
+
+    # The GM and I can edit my pet's life points,
+    # in order to follow them during the fight.
+    selenium.find_element(
+        By.CSS_SELECTOR,
+        f".pet[data-id='{pet.pk}'] .health .decrease",
+    ).click()
+    pet.refresh_from_db()
+    assert pet.health_remaining == pet_start_health - 1
+
+    # I can edit my pets. When I click on the edit button of a pet,
+    # I have the same form as previously, pre-filled with the current values of my pet.
+    selenium.find_element(By.CSS_SELECTOR, f".pet[data-id='{pet.pk}'] .edit").click()
+    assert selenium.find_element(By.ID, "id_name").get_attribute("value") == "My pet"
+    assert selenium.find_element(By.ID, "id_health_max").get_attribute("value") == "10"
+    assert (
+        selenium.find_element(By.ID, "id_health_remaining").get_attribute("value")
+        == "10"
+    )
+
+    # I can delete my pets. When I click on the pet's delete button,
+    # I'm redirected to a page asking confirmation of my action,
+    # in order to avoid mistakes.
+    selenium.find_element(By.CSS_SELECTOR, f".pet[data-id='{pet.pk}'] .delete").click()
+    assert character.pets.count() == 1
+    selenium.find_element(By.ID, "delete-pet").click()
+    assert selenium.current_url == live_server.url + character.get_absolute_url()
+    assert character.pets.count() == 0