How to use

org.springframework.security.oauth2.client.web.method.annotation.OAuth2AuthorizedClientArgumentResolver

constructor

@Override
public void addArgumentResolvers(List<HandlerMethodArgumentResolver> argumentResolvers) {
  if (this.clientRegistrationRepository != null && this.authorizedClientRepository != null) {
    OAuth2AuthorizedClientArgumentResolver authorizedClientArgumentResolver =
        new OAuth2AuthorizedClientArgumentResolver(
            this.clientRegistrationRepository, this.authorizedClientRepository);
    argumentResolvers.add(authorizedClientArgumentResolver);
  }
}

@Test
public void constructorWhenOAuth2AuthorizedClientRepositoryIsNullThenThrowIllegalArgumentException() {
  assertThatThrownBy(() -> new OAuth2AuthorizedClientArgumentResolver(this.clientRegistrationRepository, null))
      .isInstanceOf(IllegalArgumentException.class);
}

@Test
public void constructorWhenClientRegistrationRepositoryIsNullThenThrowIllegalArgumentException() {
  assertThatThrownBy(() -> new OAuth2AuthorizedClientArgumentResolver(null, this.authorizedClientRepository))
      .isInstanceOf(IllegalArgumentException.class);
}

@Override
public void addArgumentResolvers(List<HandlerMethodArgumentResolver> argumentResolvers) {
  if (this.clientRegistrationRepository != null && this.authorizedClientRepository != null) {
    OAuth2AuthorizedClientArgumentResolver authorizedClientArgumentResolver =
        new OAuth2AuthorizedClientArgumentResolver(
            this.clientRegistrationRepository, this.authorizedClientRepository);
    argumentResolvers.add(authorizedClientArgumentResolver);
  }
}

this.clientRegistrationRepository = new InMemoryClientRegistrationRepository(this.registration1, this.registration2);
this.authorizedClientRepository = mock(OAuth2AuthorizedClientRepository.class);
this.argumentResolver = new OAuth2AuthorizedClientArgumentResolver(
    this.clientRegistrationRepository, this.authorizedClientRepository);
this.authorizedClient1 = new OAuth2AuthorizedClient(this.registration1, this.principalName, mock(OAuth2AccessToken.class));

@Override
public void addArgumentResolvers(List<HandlerMethodArgumentResolver> argumentResolvers) {
  if (this.clientRegistrationRepository != null && this.authorizedClientRepository != null) {
    OAuth2AuthorizedClientArgumentResolver authorizedClientArgumentResolver =
        new OAuth2AuthorizedClientArgumentResolver(
            this.clientRegistrationRepository, this.authorizedClientRepository);
    argumentResolvers.add(authorizedClientArgumentResolver);
  }
}