lib/uuidv7: add tests for Equal and Value

2 files changed, 57 insertions, 2 deletions

diff --git a/lib/uuidv7/uuid.go b/lib/uuidv7/uuid.go
index 43e293ca..b1a1165a 100644
--- a/lib/uuidv7/uuid.go
+++ b/lib/uuidv7/uuid.go
@@ -88,7 +88,7 @@ func (id *UUID) Equal(v any) (err error) {
 	if !ok {
 		other, ok := v.(UUID)
 		if !ok {
-			return fmt.Errorf(`uuidv7: Equal: want type %T, got %T`, &id, v)
+			return fmt.Errorf(`uuidv7: expecting type *uuidv7.UUID, got %T`, v)
 		}
 		ptr = &other
 	}
@@ -173,7 +173,7 @@ func (id *UUID) UnmarshalText(data []byte) (err error) {
 
 // Scan scans the raw database value into id.
 // This method implement [database/sql.Scanner] interface.
-// Column with NULL value will returns no error set it to zero UUID.
+// Column with NULL value will returns no error and set id to zero.
 func (id *UUID) Scan(src any) (err error) {
 	switch v := src.(type) {
 	case []byte:
diff --git a/lib/uuidv7/uuid_test.go b/lib/uuidv7/uuid_test.go
index 126945d3..4972a70c 100644
--- a/lib/uuidv7/uuid_test.go
+++ b/lib/uuidv7/uuid_test.go
@@ -9,6 +9,42 @@ import (
 	"git.sr.ht/~shulhan/pakakeh.go/lib/test"
 )
 
+func TestUUID_Equal(t *testing.T) {
+	id := Parse(`019CD2F8-1AE3-774E-BFFF-FFFFFFFFFFFF`)
+
+	listCase := []struct {
+		desc     string
+		v        any
+		expError string
+	}{{
+		desc:     `EmptyInterface`,
+		expError: `uuidv7: expecting type *uuidv7.UUID, got <nil>`,
+	}, {
+		desc:     `NotEqualTime`,
+		v:        Parse(`019CD2F8-1AE4-774E-BFFF-FFFFFFFFFFFF`),
+		expError: `uuidv7: not equal, want 019CD2F8-1AE3-774E-BFFF-FFFFFFFFFFFF, got 019CD2F8-1AE4-774E-BFFF-FFFFFFFFFFFF`,
+	}, {
+		desc:     `NotEqualRand`,
+		v:        Parse(`019CD2F8-1AE3-774E-BFFF-FFFFFFFFFFF0`),
+		expError: `uuidv7: not equal, want 019CD2F8-1AE3-774E-BFFF-FFFFFFFFFFFF, got 019CD2F8-1AE3-774E-BFFF-FFFFFFFFFFF0`,
+	}, {
+		desc: `AsPointerUUID`,
+		v:    new(Parse(`019CD2F8-1AE3-774E-BFFF-FFFFFFFFFFFF`)),
+	}, {
+		desc: `AsUUID`,
+		v:    Parse(`019CD2F8-1AE3-774E-BFFF-FFFFFFFFFFFF`),
+	}}
+	var gotError string
+	for _, tc := range listCase {
+		gotError = ``
+		err := id.Equal(tc.v)
+		if err != nil {
+			gotError = err.Error()
+		}
+		test.Assert(t, tc.desc, tc.expError, gotError)
+	}
+}
+
 func TestUUID_Scan(t *testing.T) {
 	id := Parse(`019B76DA-A800-7000-8000-00000000001A`)
 
@@ -113,3 +149,22 @@ func TestUUID_UnmarshalText(t *testing.T) {
 		test.Assert(t, tc.desc, tc.exp, id.String())
 	}
 }
+
+func TestUUID_Value(t *testing.T) {
+	var id UUID
+	v, err := id.Value()
+	if err != nil {
+		t.Fatal(err)
+	}
+	test.Assert(t, `ValueZero`, v.(string), `00000000-0000-0000-0000-000000000000`)
+
+	err = id.Scan([]byte(`019CD2F8-1AE3-774E-BFFF-FFFFFFFFFFFF`))
+	if err != nil {
+		t.Fatal(err)
+	}
+	v, err = id.Value()
+	if err != nil {
+		t.Fatal(err)
+	}
+	test.Assert(t, `ValueZero`, v.(string), `019CD2F8-1AE3-774E-BFFF-FFFFFFFFFFFF`)
+}