added unit tests

test/discovery_auth_test.rb

@@ -0,0 +1,57 @@
+#!/usr/bin/env rspec
+# encoding: utf-8
+
+# Copyright (c) [2019] SUSE LLC
+#
+# All Rights Reserved.
+#
+# This program is free software; you can redistribute it and/or modify it
+# under the terms of version 2 of the GNU General Public License as published
+# by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+# more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, contact SUSE LLC.
+#
+# To contact SUSE LLC about this file by physical or electronic mail, you may
+# find current contact information at www.suse.com.
+
+require_relative "./test_helper"
+
+require "TargetData"
+
+describe DiscoveryAuth do
+  describe "#analyze" do
+    before do
+      allow(Yast::Execute).to receive(:locally!).and_return(output)
+    end
+
+    let(:execute_object) { Yast::Execute.new }
+
+    context "when 'targetcli' output is correct" do
+      let(:output) { fixture("auth-typical") }
+
+      it "reads the correct values" do
+        subject.analyze
+
+        expect(subject.fetch_status).to eq true
+        expect(subject.fetch_userid).to eq "name1"
+        expect(subject.fetch_password).to eq "secret1"
+        expect(subject.fetch_mutual_userid).to eq "name2"
+        expect(subject.fetch_mutual_password).to eq "secret2"
+      end
+    end
+
+    context "when 'targetcli' output is broken" do
+      let(:output) { fixture("auth-broken") }
+
+      it "raises an exception" do
+        expect { subject.analyze }.to raise_error(Exception)
+      end
+    end
+  end
+end

test/fixtures/auth-broken

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+enable=True 
+userid=name1
+password=secret1

test/fixtures/auth-typical

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+enable=True 
+userid=name1
+password=secret1
+mutual_userid=name2
+mutual_password=secret2