Add timestamp to pgtype

2017-03-04 12:36:24 -06:00
parent 34c5070371
commit 39b60605ae
5 changed files with 773 additions and 0 deletions
@@ -0,0 +1,158 @@
+package pgtype_test
+
+import (
+	"reflect"
+	"testing"
+	"time"
+
+	"github.com/jackc/pgx/pgtype"
+)
+
+func TestTimestampArrayTranscode(t *testing.T) {
+	testSuccessfulTranscodeEqFunc(t, "timestamp[]", []interface{}{
+		&pgtype.TimestampArray{
+			Elements:   nil,
+			Dimensions: nil,
+			Status:     pgtype.Present,
+		},
+		&pgtype.TimestampArray{
+			Elements: []pgtype.Timestamp{
+				pgtype.Timestamp{Time: time.Date(2015, 2, 1, 0, 0, 0, 0, time.UTC), Status: pgtype.Present},
+				pgtype.Timestamp{Status: pgtype.Null},
+			},
+			Dimensions: []pgtype.ArrayDimension{{Length: 2, LowerBound: 1}},
+			Status:     pgtype.Present,
+		},
+		&pgtype.TimestampArray{Status: pgtype.Null},
+		&pgtype.TimestampArray{
+			Elements: []pgtype.Timestamp{
+				pgtype.Timestamp{Time: time.Date(2015, 2, 1, 0, 0, 0, 0, time.UTC), Status: pgtype.Present},
+				pgtype.Timestamp{Time: time.Date(2016, 2, 1, 0, 0, 0, 0, time.UTC), Status: pgtype.Present},
+				pgtype.Timestamp{Time: time.Date(2017, 2, 1, 0, 0, 0, 0, time.UTC), Status: pgtype.Present},
+				pgtype.Timestamp{Time: time.Date(2012, 1, 1, 0, 0, 0, 0, time.UTC), Status: pgtype.Present},
+				pgtype.Timestamp{Status: pgtype.Null},
+				pgtype.Timestamp{Time: time.Date(2015, 2, 1, 0, 0, 0, 0, time.UTC), Status: pgtype.Present},
+			},
+			Dimensions: []pgtype.ArrayDimension{{Length: 3, LowerBound: 1}, {Length: 2, LowerBound: 1}},
+			Status:     pgtype.Present,
+		},
+		&pgtype.TimestampArray{
+			Elements: []pgtype.Timestamp{
+				pgtype.Timestamp{Time: time.Date(2015, 2, 1, 0, 0, 0, 0, time.UTC), Status: pgtype.Present},
+				pgtype.Timestamp{Time: time.Date(2015, 2, 2, 0, 0, 0, 0, time.UTC), Status: pgtype.Present},
+				pgtype.Timestamp{Time: time.Date(2015, 2, 3, 0, 0, 0, 0, time.UTC), Status: pgtype.Present},
+				pgtype.Timestamp{Time: time.Date(2015, 2, 4, 0, 0, 0, 0, time.UTC), Status: pgtype.Present},
+			},
+			Dimensions: []pgtype.ArrayDimension{
+				{Length: 2, LowerBound: 4},
+				{Length: 2, LowerBound: 2},
+			},
+			Status: pgtype.Present,
+		},
+	}, func(a, b interface{}) bool {
+		ata := a.(pgtype.TimestampArray)
+		bta := b.(pgtype.TimestampArray)
+
+		if len(ata.Elements) != len(bta.Elements) || ata.Status != bta.Status {
+			return false
+		}
+
+		for i := range ata.Elements {
+			ae, be := ata.Elements[i], bta.Elements[i]
+			if !(ae.Time.Equal(be.Time) && ae.Status == be.Status && ae.InfinityModifier == be.InfinityModifier) {
+				return false
+			}
+		}
+
+		return true
+	})
+}
+
+func TestTimestampArrayConvertFrom(t *testing.T) {
+	successfulTests := []struct {
+		source interface{}
+		result pgtype.TimestampArray
+	}{
+		{
+			source: []time.Time{time.Date(2015, 2, 1, 0, 0, 0, 0, time.UTC)},
+			result: pgtype.TimestampArray{
+				Elements:   []pgtype.Timestamp{{Time: time.Date(2015, 2, 1, 0, 0, 0, 0, time.UTC), Status: pgtype.Present}},
+				Dimensions: []pgtype.ArrayDimension{{LowerBound: 1, Length: 1}},
+				Status:     pgtype.Present},
+		},
+		{
+			source: (([]time.Time)(nil)),
+			result: pgtype.TimestampArray{Status: pgtype.Null},
+		},
+	}
+
+	for i, tt := range successfulTests {
+		var r pgtype.TimestampArray
+		err := r.ConvertFrom(tt.source)
+		if err != nil {
+			t.Errorf("%d: %v", i, err)
+		}
+
+		if !reflect.DeepEqual(r, tt.result) {
+			t.Errorf("%d: expected %v to convert to %v, but it was %v", i, tt.source, tt.result, r)
+		}
+	}
+}
+
+func TestTimestampArrayAssignTo(t *testing.T) {
+	var timeSlice []time.Time
+
+	simpleTests := []struct {
+		src      pgtype.TimestampArray
+		dst      interface{}
+		expected interface{}
+	}{
+		{
+			src: pgtype.TimestampArray{
+				Elements:   []pgtype.Timestamp{{Time: time.Date(2015, 2, 1, 0, 0, 0, 0, time.UTC), Status: pgtype.Present}},
+				Dimensions: []pgtype.ArrayDimension{{LowerBound: 1, Length: 1}},
+				Status:     pgtype.Present,
+			},
+			dst:      &timeSlice,
+			expected: []time.Time{time.Date(2015, 2, 1, 0, 0, 0, 0, time.UTC)},
+		},
+		{
+			src:      pgtype.TimestampArray{Status: pgtype.Null},
+			dst:      &timeSlice,
+			expected: (([]time.Time)(nil)),
+		},
+	}
+
+	for i, tt := range simpleTests {
+		err := tt.src.AssignTo(tt.dst)
+		if err != nil {
+			t.Errorf("%d: %v", i, err)
+		}
+
+		if dst := reflect.ValueOf(tt.dst).Elem().Interface(); !reflect.DeepEqual(dst, tt.expected) {
+			t.Errorf("%d: expected %v to assign %v, but result was %v", i, tt.src, tt.expected, dst)
+		}
+	}
+
+	errorTests := []struct {
+		src pgtype.TimestampArray
+		dst interface{}
+	}{
+		{
+			src: pgtype.TimestampArray{
+				Elements:   []pgtype.Timestamp{{Status: pgtype.Null}},
+				Dimensions: []pgtype.ArrayDimension{{LowerBound: 1, Length: 1}},
+				Status:     pgtype.Present,
+			},
+			dst: &timeSlice,
+		},
+	}
+
+	for i, tt := range errorTests {
+		err := tt.src.AssignTo(tt.dst)
+		if err == nil {
+			t.Errorf("%d: expected error but none was returned (%v -> %v)", i, tt.src, tt.dst)
+		}
+	}
+
+}