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// Copyright (C) MongoDB, Inc. 2017-present.
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may
// not use this file except in compliance with the License. You may obtain
// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
package primitive
import (
"encoding/json"
"testing"
"time"
"go.mongodb.org/mongo-driver/internal/assert"
"go.mongodb.org/mongo-driver/internal/require"
)
// The same interface as bsoncodec.Zeroer implemented for tests.
type zeroer interface {
IsZero() bool
}
func TestCompareTimestamp(t *testing.T) {
testcases := []struct {
name string
tp Timestamp
tp2 Timestamp
expected int
}{
{"equal", Timestamp{T: 12345, I: 67890}, Timestamp{T: 12345, I: 67890}, 0},
{"T greater than", Timestamp{T: 12345, I: 67890}, Timestamp{T: 2345, I: 67890}, 1},
{"I greater than", Timestamp{T: 12345, I: 67890}, Timestamp{T: 12345, I: 7890}, 1},
{"T less than", Timestamp{T: 12345, I: 67890}, Timestamp{T: 112345, I: 67890}, -1},
{"I less than", Timestamp{T: 12345, I: 67890}, Timestamp{T: 12345, I: 167890}, -1},
}
for _, tc := range testcases {
t.Run(tc.name, func(t *testing.T) {
result := CompareTimestamp(tc.tp, tc.tp2)
require.Equal(t, tc.expected, result)
})
}
}
func TestTimestamp(t *testing.T) {
t.Parallel()
testCases := []struct {
description string
tp Timestamp
tp2 Timestamp
expectedAfter bool
expectedBefore bool
expectedEqual bool
expectedCompare int
}{
{
description: "equal",
tp: Timestamp{T: 12345, I: 67890},
tp2: Timestamp{T: 12345, I: 67890},
expectedBefore: false,
expectedAfter: false,
expectedEqual: true,
expectedCompare: 0,
},
{
description: "T greater than",
tp: Timestamp{T: 12345, I: 67890},
tp2: Timestamp{T: 2345, I: 67890},
expectedBefore: false,
expectedAfter: true,
expectedEqual: false,
expectedCompare: 1,
},
{
description: "I greater than",
tp: Timestamp{T: 12345, I: 67890},
tp2: Timestamp{T: 12345, I: 7890},
expectedBefore: false,
expectedAfter: true,
expectedEqual: false,
expectedCompare: 1,
},
{
description: "T less than",
tp: Timestamp{T: 12345, I: 67890},
tp2: Timestamp{T: 112345, I: 67890},
expectedBefore: true,
expectedAfter: false,
expectedEqual: false,
expectedCompare: -1,
},
{
description: "I less than",
tp: Timestamp{T: 12345, I: 67890},
tp2: Timestamp{T: 12345, I: 167890},
expectedBefore: true,
expectedAfter: false,
expectedEqual: false,
expectedCompare: -1,
},
}
for _, tc := range testCases {
tc := tc // Capture range variable.
t.Run(tc.description, func(t *testing.T) {
t.Parallel()
assert.Equal(t, tc.expectedAfter, tc.tp.After(tc.tp2), "expected After results to be the same")
assert.Equal(t, tc.expectedBefore, tc.tp.Before(tc.tp2), "expected Before results to be the same")
assert.Equal(t, tc.expectedEqual, tc.tp.Equal(tc.tp2), "expected Equal results to be the same")
assert.Equal(t, tc.expectedCompare, tc.tp.Compare(tc.tp2), "expected Compare result to be the same")
})
}
}
func TestPrimitiveIsZero(t *testing.T) {
testcases := []struct {
name string
zero zeroer
nonzero zeroer
}{
{"binary", Binary{}, Binary{Data: []byte{0x01, 0x02, 0x03}, Subtype: 0xFF}},
{"decimal128", Decimal128{}, NewDecimal128(1, 2)},
{"objectID", ObjectID{}, NewObjectID()},
{"regex", Regex{}, Regex{Pattern: "foo", Options: "bar"}},
{"dbPointer", DBPointer{}, DBPointer{DB: "foobar", Pointer: ObjectID{0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C}}},
{"timestamp", Timestamp{}, Timestamp{T: 12345, I: 67890}},
}
for _, tc := range testcases {
t.Run(tc.name, func(t *testing.T) {
require.True(t, tc.zero.IsZero())
require.False(t, tc.nonzero.IsZero())
})
}
}
func TestRegexCompare(t *testing.T) {
testcases := []struct {
name string
r1 Regex
r2 Regex
eq bool
}{
{"equal", Regex{Pattern: "foo1", Options: "bar1"}, Regex{Pattern: "foo1", Options: "bar1"}, true},
{"not equal", Regex{Pattern: "foo1", Options: "bar1"}, Regex{Pattern: "foo2", Options: "bar2"}, false},
{"not equal", Regex{Pattern: "foo1", Options: "bar1"}, Regex{Pattern: "foo1", Options: "bar2"}, false},
{"not equal", Regex{Pattern: "foo1", Options: "bar1"}, Regex{Pattern: "foo2", Options: "bar1"}, false},
}
for _, tc := range testcases {
t.Run(tc.name, func(t *testing.T) {
require.True(t, tc.r1.Equal(tc.r2) == tc.eq)
})
}
}
func TestDateTime(t *testing.T) {
t.Run("json", func(t *testing.T) {
t.Run("round trip", func(t *testing.T) {
original := DateTime(1000)
jsonBytes, err := json.Marshal(original)
assert.Nil(t, err, "Marshal error: %v", err)
var unmarshalled DateTime
err = json.Unmarshal(jsonBytes, &unmarshalled)
assert.Nil(t, err, "Unmarshal error: %v", err)
assert.Equal(t, original, unmarshalled, "expected DateTime %v, got %v", original, unmarshalled)
})
t.Run("decode null", func(t *testing.T) {
jsonBytes := []byte("null")
var dt DateTime
err := json.Unmarshal(jsonBytes, &dt)
assert.Nil(t, err, "Unmarshal error: %v", err)
assert.Equal(t, DateTime(0), dt, "expected DateTime value to be 0, got %v", dt)
})
t.Run("UTC", func(t *testing.T) {
dt := DateTime(1681145535123)
jsonBytes, err := json.Marshal(dt)
assert.Nil(t, err, "Marshal error: %v", err)
assert.Equal(t, `"2023-04-10T16:52:15.123Z"`, string(jsonBytes))
})
})
t.Run("NewDateTimeFromTime", func(t *testing.T) {
t.Run("range is not limited", func(t *testing.T) {
// If the implementation internally calls time.Time.UnixNano(), the constructor cannot handle times after
// the year 2262.
timeFormat := "2006-01-02T15:04:05.999Z07:00"
timeString := "3001-01-01T00:00:00Z"
tt, err := time.Parse(timeFormat, timeString)
assert.Nil(t, err, "Parse error: %v", err)
dt := NewDateTimeFromTime(tt)
assert.True(t, dt > 0, "expected a valid DateTime greater than 0, got %v", dt)
})
})
}