Merge pull request #575 from teclator/save_network_test

Added mocks to avoid call save_network

test/data/ifcfg-eth0.template

@@ -0,0 +1,2 @@
+BOOTPROTO='dhcp'
+STARTMODE='auto'

test/save_network_test.rb

@@ -5,22 +5,36 @@
 
 require "yast"
 require "network/clients/save_network"
+
 describe Yast::SaveNetworkClient do
+
   describe "#adjust_for_network_disks" do
+    let(:template_file) { File.join(SCRStub::DATA_PATH, "ifcfg-eth0.template") }
+    let(:file) { File.join(SCRStub::DATA_PATH, "ifcfg-eth0") }
+
+    around do |example|
+      ::FileUtils.cp(template_file, file)
+      example.run
+      ::FileUtils.rm(file)
+    end
+
     before do
       Y2Storage::StorageManager.create_test_instance
 
       staging = Y2Storage::StorageManager.instance.staging
       allow(staging).to receive(:filesystem_in_network?).and_return(in_network)
-      allow(Yast::SCR).to receive(:Execute).and_return("exit" => 0, "stdout" => "", "stderr" => "")
+      allow(subject).to receive(:save_network)
+      # Mainly for import
+      subject.main
     end
 
     context "when installation directory is in a network device" do
       let(:in_network) { true }
 
       it "tunes ifcfg file for remote filesystem" do
         expect(Yast::SCR).to receive(:Execute).with(anything, /nfsroot/).once
-        subject.main
+        subject.adjust_for_network_disks(file)
+        expect(::File.read(file)).to include("STARTMODE=nfsroot")
       end
     end
 
@@ -29,7 +43,8 @@
 
       it "does not touch any configuration file" do
         expect(Yast::SCR).to_not receive(:Execute).with(anything, /nfsroot/)
-        subject.main
+        subject.adjust_for_network_disks(file)
+        expect(::File.read(file)).to eq(::File.read(template_file))
       end
     end
   end