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Source file src/github.com/jackc/pgtype/timestamptz_test.go

Documentation: github.com/jackc/pgtype

     1  package pgtype_test
     2  
     3  import (
     4  	"context"
     5  	"reflect"
     6  	"testing"
     7  	"time"
     8  
     9  	"github.com/jackc/pgtype"
    10  	"github.com/jackc/pgtype/testutil"
    11  	"github.com/stretchr/testify/require"
    12  )
    13  
    14  func TestTimestamptzTranscode(t *testing.T) {
    15  	testutil.TestSuccessfulTranscodeEqFunc(t, "timestamptz", []interface{}{
    16  		&pgtype.Timestamptz{Time: time.Date(1800, 1, 1, 0, 0, 0, 0, time.Local), Status: pgtype.Present},
    17  		&pgtype.Timestamptz{Time: time.Date(1900, 1, 1, 0, 0, 0, 0, time.Local), Status: pgtype.Present},
    18  		&pgtype.Timestamptz{Time: time.Date(1905, 1, 1, 0, 0, 0, 0, time.Local), Status: pgtype.Present},
    19  		&pgtype.Timestamptz{Time: time.Date(1940, 1, 1, 0, 0, 0, 0, time.Local), Status: pgtype.Present},
    20  		&pgtype.Timestamptz{Time: time.Date(1960, 1, 1, 0, 0, 0, 0, time.Local), Status: pgtype.Present},
    21  		&pgtype.Timestamptz{Time: time.Date(1970, 1, 1, 0, 0, 0, 0, time.Local), Status: pgtype.Present},
    22  		&pgtype.Timestamptz{Time: time.Date(1999, 12, 31, 0, 0, 0, 0, time.Local), Status: pgtype.Present},
    23  		&pgtype.Timestamptz{Time: time.Date(2000, 1, 1, 0, 0, 0, 0, time.Local), Status: pgtype.Present},
    24  		&pgtype.Timestamptz{Time: time.Date(2000, 1, 2, 0, 0, 0, 0, time.Local), Status: pgtype.Present},
    25  		&pgtype.Timestamptz{Time: time.Date(2200, 1, 1, 0, 0, 0, 0, time.Local), Status: pgtype.Present},
    26  		&pgtype.Timestamptz{Status: pgtype.Null},
    27  		&pgtype.Timestamptz{Status: pgtype.Present, InfinityModifier: pgtype.Infinity},
    28  		&pgtype.Timestamptz{Status: pgtype.Present, InfinityModifier: -pgtype.Infinity},
    29  	}, func(a, b interface{}) bool {
    30  		at := a.(pgtype.Timestamptz)
    31  		bt := b.(pgtype.Timestamptz)
    32  
    33  		return at.Time.Equal(bt.Time) && at.Status == bt.Status && at.InfinityModifier == bt.InfinityModifier
    34  	})
    35  }
    36  
    37  // https://github.com/jackc/pgtype/pull/128
    38  func TestTimestamptzTranscodeBigTimeBinary(t *testing.T) {
    39  	conn := testutil.MustConnectPgx(t)
    40  	if _, ok := conn.ConnInfo().DataTypeForName("line"); !ok {
    41  		t.Skip("Skipping due to no line type")
    42  	}
    43  	defer testutil.MustCloseContext(t, conn)
    44  
    45  	in := &pgtype.Timestamptz{Time: time.Date(294276, 12, 31, 23, 59, 59, 999999000, time.UTC), Status: pgtype.Present}
    46  	var out pgtype.Timestamptz
    47  
    48  	err := conn.QueryRow(context.Background(), "select $1::timestamptz", in).Scan(&out)
    49  	if err != nil {
    50  		t.Fatal(err)
    51  	}
    52  
    53  	require.Equal(t, in.Status, out.Status)
    54  	require.Truef(t, in.Time.Equal(out.Time), "expected %v got %v", in.Time, out.Time)
    55  }
    56  
    57  func TestTimestamptzNanosecondsTruncated(t *testing.T) {
    58  	tests := []struct {
    59  		input    time.Time
    60  		expected time.Time
    61  	}{
    62  		{time.Date(2020, 1, 1, 0, 0, 0, 999999999, time.Local), time.Date(2020, 1, 1, 0, 0, 0, 999999000, time.Local)},
    63  		{time.Date(2020, 1, 1, 0, 0, 0, 999999001, time.Local), time.Date(2020, 1, 1, 0, 0, 0, 999999000, time.Local)},
    64  	}
    65  	for i, tt := range tests {
    66  		{
    67  			tstz := pgtype.Timestamptz{Time: tt.input, Status: pgtype.Present}
    68  			buf, err := tstz.EncodeText(nil, nil)
    69  			if err != nil {
    70  				t.Errorf("%d. EncodeText failed - %v", i, err)
    71  			}
    72  
    73  			if err := tstz.DecodeText(nil, buf); err != nil {
    74  				t.Errorf("%d. DecodeText failed - %v", i, err)
    75  			}
    76  
    77  			if !(tstz.Status == pgtype.Present && tstz.Time.Equal(tt.expected)) {
    78  				t.Errorf("%d. EncodeText did not truncate nanoseconds", i)
    79  			}
    80  		}
    81  
    82  		{
    83  			tstz := pgtype.Timestamptz{Time: tt.input, Status: pgtype.Present}
    84  			buf, err := tstz.EncodeBinary(nil, nil)
    85  			if err != nil {
    86  				t.Errorf("%d. EncodeBinary failed - %v", i, err)
    87  			}
    88  
    89  			if err := tstz.DecodeBinary(nil, buf); err != nil {
    90  				t.Errorf("%d. DecodeBinary failed - %v", i, err)
    91  			}
    92  
    93  			if !(tstz.Status == pgtype.Present && tstz.Time.Equal(tt.expected)) {
    94  				t.Errorf("%d. EncodeBinary did not truncate nanoseconds", i)
    95  			}
    96  		}
    97  	}
    98  }
    99  
   100  // https://github.com/jackc/pgtype/issues/74
   101  func TestTimestamptzDecodeTextInvalid(t *testing.T) {
   102  	tstz := &pgtype.Timestamptz{}
   103  	err := tstz.DecodeText(nil, []byte(`eeeee`))
   104  	require.Error(t, err)
   105  }
   106  
   107  func TestTimestamptzSet(t *testing.T) {
   108  	type _time time.Time
   109  
   110  	successfulTests := []struct {
   111  		source interface{}
   112  		result pgtype.Timestamptz
   113  	}{
   114  		{source: time.Date(1900, 1, 1, 0, 0, 0, 0, time.Local), result: pgtype.Timestamptz{Time: time.Date(1900, 1, 1, 0, 0, 0, 0, time.Local), Status: pgtype.Present}},
   115  		{source: time.Date(1970, 1, 1, 0, 0, 0, 0, time.Local), result: pgtype.Timestamptz{Time: time.Date(1970, 1, 1, 0, 0, 0, 0, time.Local), Status: pgtype.Present}},
   116  		{source: time.Date(1999, 12, 31, 12, 59, 59, 0, time.Local), result: pgtype.Timestamptz{Time: time.Date(1999, 12, 31, 12, 59, 59, 0, time.Local), Status: pgtype.Present}},
   117  		{source: time.Date(2000, 1, 1, 0, 0, 0, 0, time.Local), result: pgtype.Timestamptz{Time: time.Date(2000, 1, 1, 0, 0, 0, 0, time.Local), Status: pgtype.Present}},
   118  		{source: time.Date(2000, 1, 1, 0, 0, 1, 0, time.Local), result: pgtype.Timestamptz{Time: time.Date(2000, 1, 1, 0, 0, 1, 0, time.Local), Status: pgtype.Present}},
   119  		{source: time.Date(2200, 1, 1, 0, 0, 0, 0, time.Local), result: pgtype.Timestamptz{Time: time.Date(2200, 1, 1, 0, 0, 0, 0, time.Local), Status: pgtype.Present}},
   120  		{source: _time(time.Date(1970, 1, 1, 0, 0, 0, 0, time.Local)), result: pgtype.Timestamptz{Time: time.Date(1970, 1, 1, 0, 0, 0, 0, time.Local), Status: pgtype.Present}},
   121  		{source: pgtype.Infinity, result: pgtype.Timestamptz{InfinityModifier: pgtype.Infinity, Status: pgtype.Present}},
   122  		{source: pgtype.NegativeInfinity, result: pgtype.Timestamptz{InfinityModifier: pgtype.NegativeInfinity, Status: pgtype.Present}},
   123  		{source: "2020-04-05 06:07:08Z", result: pgtype.Timestamptz{Time: time.Date(2020, 4, 5, 6, 7, 8, 0, time.UTC), Status: pgtype.Present}},
   124  	}
   125  
   126  	for i, tt := range successfulTests {
   127  		var r pgtype.Timestamptz
   128  		err := r.Set(tt.source)
   129  		if err != nil {
   130  			t.Errorf("%d: %v", i, err)
   131  		}
   132  
   133  		if r != tt.result {
   134  			t.Errorf("%d: expected %v to convert to %v, but it was %v", i, tt.source, tt.result, r)
   135  		}
   136  	}
   137  }
   138  
   139  func TestTimestamptzAssignTo(t *testing.T) {
   140  	var tim time.Time
   141  	var ptim *time.Time
   142  
   143  	simpleTests := []struct {
   144  		src      pgtype.Timestamptz
   145  		dst      interface{}
   146  		expected interface{}
   147  	}{
   148  		{src: pgtype.Timestamptz{Time: time.Date(2015, 1, 1, 0, 0, 0, 0, time.Local), Status: pgtype.Present}, dst: &tim, expected: time.Date(2015, 1, 1, 0, 0, 0, 0, time.Local)},
   149  		{src: pgtype.Timestamptz{Time: time.Time{}, Status: pgtype.Null}, dst: &ptim, expected: ((*time.Time)(nil))},
   150  	}
   151  
   152  	for i, tt := range simpleTests {
   153  		err := tt.src.AssignTo(tt.dst)
   154  		if err != nil {
   155  			t.Errorf("%d: %v", i, err)
   156  		}
   157  
   158  		if dst := reflect.ValueOf(tt.dst).Elem().Interface(); dst != tt.expected {
   159  			t.Errorf("%d: expected %v to assign %v, but result was %v", i, tt.src, tt.expected, dst)
   160  		}
   161  	}
   162  
   163  	pointerAllocTests := []struct {
   164  		src      pgtype.Timestamptz
   165  		dst      interface{}
   166  		expected interface{}
   167  	}{
   168  		{src: pgtype.Timestamptz{Time: time.Date(2015, 1, 1, 0, 0, 0, 0, time.Local), Status: pgtype.Present}, dst: &ptim, expected: time.Date(2015, 1, 1, 0, 0, 0, 0, time.Local)},
   169  	}
   170  
   171  	for i, tt := range pointerAllocTests {
   172  		err := tt.src.AssignTo(tt.dst)
   173  		if err != nil {
   174  			t.Errorf("%d: %v", i, err)
   175  		}
   176  
   177  		if dst := reflect.ValueOf(tt.dst).Elem().Elem().Interface(); dst != tt.expected {
   178  			t.Errorf("%d: expected %v to assign %v, but result was %v", i, tt.src, tt.expected, dst)
   179  		}
   180  	}
   181  
   182  	errorTests := []struct {
   183  		src pgtype.Timestamptz
   184  		dst interface{}
   185  	}{
   186  		{src: pgtype.Timestamptz{Time: time.Date(2015, 1, 1, 0, 0, 0, 0, time.Local), InfinityModifier: pgtype.Infinity, Status: pgtype.Present}, dst: &tim},
   187  		{src: pgtype.Timestamptz{Time: time.Date(2015, 1, 1, 0, 0, 0, 0, time.Local), InfinityModifier: pgtype.NegativeInfinity, Status: pgtype.Present}, dst: &tim},
   188  		{src: pgtype.Timestamptz{Time: time.Date(2015, 1, 1, 0, 0, 0, 0, time.Local), Status: pgtype.Null}, dst: &tim},
   189  	}
   190  
   191  	for i, tt := range errorTests {
   192  		err := tt.src.AssignTo(tt.dst)
   193  		if err == nil {
   194  			t.Errorf("%d: expected error but none was returned (%v -> %v)", i, tt.src, tt.dst)
   195  		}
   196  	}
   197  }
   198  
   199  func TestTimestamptzMarshalJSON(t *testing.T) {
   200  	successfulTests := []struct {
   201  		source pgtype.Timestamptz
   202  		result string
   203  	}{
   204  		{source: pgtype.Timestamptz{Status: pgtype.Null}, result: "null"},
   205  		{source: pgtype.Timestamptz{Time: time.Date(2012, 3, 29, 10, 5, 45, 0, time.FixedZone("", -6*60*60)), Status: pgtype.Present}, result: "\"2012-03-29T10:05:45-06:00\""},
   206  		{source: pgtype.Timestamptz{Time: time.Date(2012, 3, 29, 10, 5, 45, 555*1000*1000, time.FixedZone("", -6*60*60)), Status: pgtype.Present}, result: "\"2012-03-29T10:05:45.555-06:00\""},
   207  		{source: pgtype.Timestamptz{InfinityModifier: pgtype.Infinity, Status: pgtype.Present}, result: "\"infinity\""},
   208  		{source: pgtype.Timestamptz{InfinityModifier: pgtype.NegativeInfinity, Status: pgtype.Present}, result: "\"-infinity\""},
   209  	}
   210  	for i, tt := range successfulTests {
   211  		r, err := tt.source.MarshalJSON()
   212  		if err != nil {
   213  			t.Errorf("%d: %v", i, err)
   214  		}
   215  
   216  		if string(r) != tt.result {
   217  			t.Errorf("%d: expected %v to convert to %v, but it was %v", i, tt.source, tt.result, string(r))
   218  		}
   219  	}
   220  }
   221  
   222  func TestTimestamptzUnmarshalJSON(t *testing.T) {
   223  	successfulTests := []struct {
   224  		source string
   225  		result pgtype.Timestamptz
   226  	}{
   227  		{source: "null", result: pgtype.Timestamptz{Status: pgtype.Null}},
   228  		{source: "\"2012-03-29T10:05:45-06:00\"", result: pgtype.Timestamptz{Time: time.Date(2012, 3, 29, 10, 5, 45, 0, time.FixedZone("", -6*60*60)), Status: pgtype.Present}},
   229  		{source: "\"2012-03-29T10:05:45.555-06:00\"", result: pgtype.Timestamptz{Time: time.Date(2012, 3, 29, 10, 5, 45, 555*1000*1000, time.FixedZone("", -6*60*60)), Status: pgtype.Present}},
   230  		{source: "\"infinity\"", result: pgtype.Timestamptz{InfinityModifier: pgtype.Infinity, Status: pgtype.Present}},
   231  		{source: "\"-infinity\"", result: pgtype.Timestamptz{InfinityModifier: pgtype.NegativeInfinity, Status: pgtype.Present}},
   232  	}
   233  	for i, tt := range successfulTests {
   234  		var r pgtype.Timestamptz
   235  		err := r.UnmarshalJSON([]byte(tt.source))
   236  		if err != nil {
   237  			t.Errorf("%d: %v", i, err)
   238  		}
   239  
   240  		if !r.Time.Equal(tt.result.Time) || r.Status != tt.result.Status || r.InfinityModifier != tt.result.InfinityModifier {
   241  			t.Errorf("%d: expected %v to convert to %v, but it was %v", i, tt.source, tt.result, r)
   242  		}
   243  	}
   244  }
   245  

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