Refactor kafka to pure Go (franz-go), fix DBC stubs, update Dockerfile

pkg/can-go/frame_string_test.go

@@ -0,0 +1,86 @@
+package can
+
+import (
+	"fmt"
+	"testing"
+
+	"gotest.tools/v3/assert"
+	is "gotest.tools/v3/assert/cmp"
+)
+
+func TestFrame_String(t *testing.T) {
+	for _, tt := range []struct {
+		frame Frame
+		str   string
+	}{
+		{
+			frame: Frame{
+				ID:     0x62e,
+				Length: 2,
+				Data:   Data{0x10, 0x44},
+			},
+			str: "62E#1044",
+		},
+		{
+			frame: Frame{
+				ID:       0x410,
+				IsRemote: true,
+				Length:   3,
+			},
+			str: "410#R3",
+		},
+		{
+			frame: Frame{
+				ID:     0xd2,
+				Length: 2,
+				Data:   Data{0xf0, 0x31},
+			},
+			str: "0D2#F031",
+		},
+		{
+			frame: Frame{ID: 0xee},
+			str:   "0EE#",
+		},
+		{
+			frame: Frame{ID: 0},
+			str:   "000#",
+		},
+		{
+			frame: Frame{ID: 0, IsExtended: true},
+			str:   "00000000#",
+		},
+		{
+			frame: Frame{ID: 0x1234abcd, IsExtended: true},
+			str:   "1234ABCD#",
+		},
+	} {
+		tt := tt
+		t.Run(fmt.Sprintf("String|frame=%v,str=%v", tt.frame, tt.str), func(t *testing.T) {
+			assert.Check(t, is.Equal(tt.str, tt.frame.String()))
+		})
+		t.Run(fmt.Sprintf("UnmarshalString|frame=%v,str=%v", tt.frame, tt.str), func(t *testing.T) {
+			var actual Frame
+			if err := actual.UnmarshalString(tt.str); err != nil {
+				t.Fatal(err)
+			}
+			assert.Check(t, is.DeepEqual(actual, tt.frame))
+		})
+	}
+}
+
+func TestParseFrame_Errors(t *testing.T) {
+	for _, tt := range []string{
+		"foo",                    // invalid
+		"foo#",                   // invalid ID
+		"0D23#F031",              // invalid ID length
+		"62E#104400000000000000", // invalid data length
+	} {
+		tt := tt
+		t.Run(fmt.Sprintf("str=%v", tt), func(t *testing.T) {
+			var frame Frame
+			err := frame.UnmarshalString(tt)
+			assert.ErrorContains(t, err, "invalid")
+			assert.Check(t, is.DeepEqual(Frame{}, frame))
+		})
+	}
+}