csvb/csvb_test.go at master · relops/csvb · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
package csvb

import (
	"bytes"
	"encoding/csv"
	"github.com/stretchr/testify/assert"
	"speter.net/go/exp/math/dec/inf"
	"testing"
	"time"
)

type Destination struct {
	Name    string
	Date    time.Time
	Counter int64
	Rating  *inf.Dec
}

func TestVariableLengthFields(t *testing.T) {
	header := []string{"n", "d", "c", "x"}
	row := []string{"foo", "2014-04-06 10:02:21", "9834"}
	input := [][]string{header, row}
	s := make(map[string]string)
	s["n"] = "Name"
	s["d"] = "Date"
	s["c"] = "Counter"
	d := Destination{
		Name:    "foo",
		Counter: 9834,
		Date:    time.Date(2014, 4, 6, 10, 02, 21, 0, time.UTC),
	}
	runScenario(t, input, s, d)

}

func TestCustomHeader(t *testing.T) {
	header := map[int]string{
		0: "n",
		1: "d",
		2: "c",
	}
	row := []string{"foo", "2014-04-06 10:02:21", "4459813"}
	input := [][]string{row}
	s := make(map[string]string)
	s["n"] = "Name"
	s["d"] = "Date"
	s["c"] = "Counter"

	opts := &Options{Header: header}

	d := Destination{
		Name:    "foo",
		Counter: 4459813,
		Date:    time.Date(2014, 4, 6, 10, 02, 21, 0, time.UTC),
	}
	runScenarioWithOptions(t, input, s, d, opts)

}

func TestTimezoneHandling(t *testing.T) {
	header := []string{"n", "d", "c"}
	row := []string{"foo", "2014-04-06 10:02:21", "4459813"}
	input := [][]string{header, row}
	s := make(map[string]string)
	s["n"] = "Name"
	s["d"] = "Date"
	s["c"] = "Counter"

	location, _ := time.LoadLocation("Europe/Stockholm")
	opts := &Options{TimeZone: location}

	d := Destination{
		Name:    "foo",
		Counter: 4459813,
		Date:    time.Date(2014, 4, 6, 10, 02, 21, 0, location),
	}
	runScenarioWithOptions(t, input, s, d, opts)
}

func TestRowBinding(t *testing.T) {
	header := []string{"n", "d", "c", "r"}
	row := []string{"foo", "2014-04-06 10:02:21", "4459813", "1.55"}
	input := [][]string{header, row}
	s := make(map[string]string)
	s["n"] = "Name"
	s["d"] = "Date"
	s["c"] = "Counter"
	s["r"] = "Rating"
	d := Destination{
		Name:    "foo",
		Counter: 4459813,
		Date:    time.Date(2014, 4, 6, 10, 02, 21, 0, time.UTC),
		Rating:  inf.NewDec(155, 2),
	}
	runScenario(t, input, s, d)
}

func TestNullHandling(t *testing.T) {
	header := []string{"n", "d", "c"}
	row := []string{"foo", "2014-04-06 10:02:21", "NULL"}
	input := [][]string{header, row}
	s := make(map[string]string)
	s["n"] = "Name"
	s["d"] = "Date"
	s["c"] = "Counter"
	d := Destination{
		Name:    "foo",
		Counter: 0,
		Date:    time.Date(2014, 4, 6, 10, 02, 21, 0, time.UTC),
	}
	runScenario(t, input, s, d)
}

func runScenario(t *testing.T, input [][]string, s map[string]string, expected interface{}) {
	runScenarioWithOptions(t, input, s, expected, nil)
}

func runScenarioWithOptions(t *testing.T, input [][]string, s map[string]string, expected interface{}, opts *Options) {
	var buf bytes.Buffer
	w := csv.NewWriter(&buf)
	for _, row := range input {
		w.Write(row)
	}
	w.Flush()

	var d Destination

	if opts == nil {
		opts = &Options{NullMarker: "NULL"}
	}

	b, err := NewBinder(&buf, opts)
	assert.NoError(t, err)

	b.ForEach(func(r Row) (bool, error) {
		if err := r.Bind(&d, s); err != nil {
			return false, err
		}
		return false, nil
	})

	assert.Equal(t, d, expected)
}