1 files changed, 58 insertions, 0 deletions
diff --git a/spec/lib/gitlab/auth/ldap/authentication_spec.rb b/spec/lib/gitlab/auth/ldap/authentication_spec.rb
new file mode 100644
index 00000000000..111572d043b
--- /dev/null
+++ b/spec/lib/gitlab/auth/ldap/authentication_spec.rb
@@ -0,0 +1,58 @@
+require 'spec_helper'
+
+describe Gitlab::Auth::LDAP::Authentication do
+  let(:dn)       { 'uid=John Smith, ou=People, dc=example, dc=com' }
+  let(:user)     { create(:omniauth_user, extern_uid: Gitlab::Auth::LDAP::Person.normalize_dn(dn)) }
+  let(:login)    { 'john' }
+  let(:password) { 'password' }
+
+  describe 'login' do
+    before do
+      allow(Gitlab::Auth::LDAP::Config).to receive(:enabled?).and_return(true)
+    end
+
+    it "finds the user if authentication is successful" do
+      expect(user).not_to be_nil
+
+      # try only to fake the LDAP call
+      adapter = double('adapter', dn: dn).as_null_object
+      allow_any_instance_of(described_class)
+        .to receive(:adapter).and_return(adapter)
+
+      expect(described_class.login(login, password)).to be_truthy
+    end
+
+    it "is false if the user does not exist" do
+      # try only to fake the LDAP call
+      adapter = double('adapter', dn: dn).as_null_object
+      allow_any_instance_of(described_class)
+        .to receive(:adapter).and_return(adapter)
+
+      expect(described_class.login(login, password)).to be_falsey
+    end
+
+    it "is false if authentication fails" do
+      expect(user).not_to be_nil
+
+      # try only to fake the LDAP call
+      adapter = double('adapter', bind_as: nil).as_null_object
+      allow_any_instance_of(described_class)
+        .to receive(:adapter).and_return(adapter)
+
+      expect(described_class.login(login, password)).to be_falsey
+    end
+
+    it "fails if ldap is disabled" do
+      allow(Gitlab::Auth::LDAP::Config).to receive(:enabled?).and_return(false)
+      expect(described_class.login(login, password)).to be_falsey
+    end
+
+    it "fails if no login is supplied" do
+      expect(described_class.login('', password)).to be_falsey
+    end
+
+    it "fails if no password is supplied" do
+      expect(described_class.login(login, '')).to be_falsey
+    end
+  end
+end