import sys, os
sys.path.insert(0, os.path.dirname(os.path.dirname(__file__)))
from scraper import extract_hashtags, extract_mentions, profile_slug_from_url

def test_extract_hashtags_basic():
    assert extract_hashtags("Hello #world #foo") == ["#world", "#foo"]

def test_extract_hashtags_empty():
    assert extract_hashtags("No tags here") == []

def test_extract_hashtags_deduplicates():
    assert extract_hashtags("#foo #foo #bar") == ["#foo", "#bar"]

def test_extract_mentions_basic():
    assert extract_mentions("Hey @alice and @bob") == ["@alice", "@bob"]

def test_extract_mentions_empty():
    assert extract_mentions("No mentions") == []

def test_profile_slug_from_url():
    assert profile_slug_from_url("https://www.instagram.com/licmuunisul/") == "licmuunisul"

def test_profile_slug_trailing_slash():
    assert profile_slug_from_url("https://www.instagram.com/licmuunisul") == "licmuunisul"