text: """Test KeyDIDResolver."""
  
  import pytest
  
  from ....core.in_memory import InMemoryProfile
  from ....core.profile import Profile
  from ....messaging.valid import DIDKey
  
  from ...base import DIDNotFound
  from ..key import KeyDIDResolver
  
  # pylint: disable=W0621
  TEST_DID0 = "did:key:z6MkmjY8GnV5i9YTDtPETC2uUAW6ejw3nk5mXF5yci5ab7th"
  TEST_DID_INVALID = "did:key:z1MkmjY8GnV5i9YTDtPETC2uUAW6ejw3nk5mXF5yci5ab7th"
  
  
  @pytest.fixture
  def resolver():
      """Resolver fixture."""
      yield KeyDIDResolver()
  
  
  @pytest.fixture
  def profile():
      """Profile fixture."""
      profile = InMemoryProfile.test_profile()
      yield profile
  
  
  @pytest.mark.asyncio
  async def test_supported_did_regex(profile, resolver: KeyDIDResolver):
      """Test the supported_did_regex."""
      assert resolver.supported_did_regex == DIDKey.PATTERN
      assert await resolver.supports(
          profile,
          TEST_DID0,
      )
  
  
  @pytest.mark.asyncio
  async def test_resolve(resolver: KeyDIDResolver, profile: Profile):
      """Test resolve method."""
      assert await resolver.resolve(profile, TEST_DID0)
  
  
  @pytest.mark.asyncio
  async def test_resolve_x_did_not_found(resolver: KeyDIDResolver, profile: Profile):
      """Test resolve method when no did is found."""
      with pytest.raises(DIDNotFound):
          await resolver.resolve(profile, TEST_DID_INVALID)
  