Merge pull request intel#343 from mythi/qatcoverage

dpdkdrv: improve unit test coverage

Author: Dmitry Rozhkov

cmd/qat_plugin/dpdkdrv/dpdkdrv_test.go

@@ -63,6 +63,53 @@ func createTestFiles(prefix string, dirs []string, files map[string][]byte, syml
 return nil
 }
 
+func TestNewDevicePlugin(t *testing.T) {
+
+tcases := []struct {
+name string
+dpdkDriver string
+kernelVfDrivers string
+expectedErr bool
+}{
+{
+name: "Wrong dpdkDriver",
+dpdkDriver: "uio",
+kernelVfDrivers: "c6xxvf",
+expectedErr: true,
+},
+{
+name: "Correct dpdkDriver, wrong kernelVfDrivers",
+dpdkDriver: "vfio-pci",
+kernelVfDrivers: "c6xxxvf",
+expectedErr: true,
+},
+{
+name: "Correct dpdkDriver, kernelVfDrivers separated wrong",
+dpdkDriver: "vfio-pci",
+kernelVfDrivers: "c6xxvf:d15xxvf",
+expectedErr: true,
+},
+{
+name: "No errors",
+dpdkDriver: "vfio-pci",
+kernelVfDrivers: "c6xxvf,d15xxvf",
+expectedErr: false,
+},
+}
+for _, tt := range tcases {
+t.Run(tt.name, func(t *testing.T) {
+_, err := NewDevicePlugin(1, tt.kernelVfDrivers, tt.dpdkDriver)
+
+if tt.expectedErr && err == nil {
+t.Errorf("Test case '%s': expected error", tt.name)
+}
+if !tt.expectedErr && err != nil {
+t.Errorf("Test case '%s': expected success", tt.name)
+}
+})
+}
+}
+
 func TestScanPrivate(t *testing.T) {
 tmpdir := fmt.Sprintf("/tmp/qatplugin-TestScanPrivate-%d", time.Now().Unix())
 pciDrvDir := path.Join(tmpdir, "sys/bus/pci/drivers")