refactor(v2): init database package (#7802)

internal/v2/database/pagination_test.go

@@ -0,0 +1,73 @@
+package database
+
+import (
+	"testing"
+)
+
+func TestPagination_Write(t *testing.T) {
+	type fields struct {
+		Limit  uint32
+		Offset uint32
+	}
+	tests := []struct {
+		name   string
+		fields fields
+		want   wantQuery
+	}{
+		{
+			name: "no values",
+			fields: fields{
+				Limit:  0,
+				Offset: 0,
+			},
+			want: wantQuery{
+				query: "",
+				args:  []any{},
+			},
+		},
+		{
+			name: "limit",
+			fields: fields{
+				Limit:  10,
+				Offset: 0,
+			},
+			want: wantQuery{
+				query: " LIMIT $1",
+				args:  []any{uint32(10)},
+			},
+		},
+		{
+			name: "offset",
+			fields: fields{
+				Limit:  0,
+				Offset: 10,
+			},
+			want: wantQuery{
+				query: " OFFSET $1",
+				args:  []any{uint32(10)},
+			},
+		},
+		{
+			name: "both",
+			fields: fields{
+				Limit:  10,
+				Offset: 10,
+			},
+			want: wantQuery{
+				query: " LIMIT $1 OFFSET $2",
+				args:  []any{uint32(10), uint32(10)},
+			},
+		},
+	}
+	for _, tt := range tests {
+		var stmt Statement
+		t.Run(tt.name, func(t *testing.T) {
+			p := &Pagination{
+				Limit:  tt.fields.Limit,
+				Offset: tt.fields.Offset,
+			}
+			p.Write(&stmt)
+			assertQuery(t, &stmt, tt.want)
+		})
+	}
+}