feat : scan with image digest (#939)

config/tomlloader_test.go

@@ -42,3 +42,62 @@ func TestToCpeURI(t *testing.T) {
 		}
 	}
 }
+
+func TestIsValidImage(t *testing.T) {
+	var tests = []struct {
+		name     string
+		img      Image
+		errOccur bool
+	}{
+		{
+			name: "ok with tag",
+			img: Image{
+				Name: "ok",
+				Tag:  "ok",
+			},
+			errOccur: false,
+		},
+		{
+			name: "ok with digest",
+			img: Image{
+				Name:   "ok",
+				Digest: "ok",
+			},
+			errOccur: false,
+		},
+
+		{
+			name: "no image name with tag",
+			img: Image{
+				Tag: "ok",
+			},
+			errOccur: true,
+		},
+
+		{
+			name: "no image name with digest",
+			img: Image{
+				Digest: "ok",
+			},
+			errOccur: true,
+		},
+
+		{
+			name: "no tag and digest",
+			img: Image{
+				Name: "ok",
+			},
+			errOccur: true,
+		},
+	}
+	for i, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			err := IsValidImage(tt.img)
+			actual := err != nil
+			if actual != tt.errOccur {
+				t.Errorf("[%d] act: %v, exp: %v",
+					i, actual, tt.errOccur)
+			}
+		})
+	}
+}