config/loader_test.go at develop · gogolfing/config · 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
package config

import (
	"fmt"
	"io"
	"io/ioutil"
	"os"
	"reflect"
	"strings"
	"testing"
)

func TestNewFileFuncLoader(t *testing.T) {
	l := NewFileFuncLoader(func(_ io.Reader) (*Values, error) { return nil, nil }, "path")
	if l == nil {
		t.Fail()
	}
	ffl, ok := l.(*fileFuncLoader)
	if !ok {
		t.Fail()
	}
	if ffl.rfl == nil || !reflect.DeepEqual(ffl.paths, []string{"path"}) {
		t.Fail()
	}
}

func TestFileFuncLoader_Load(t *testing.T) {
	file, err := ioutil.TempFile("", "gogolfing.config")
	if err != nil {
		t.Fatal(err)
	}
	_, err = fmt.Fprint(file, "foobar")
	if err != nil {
		t.Fatal(err)
	}
	file.Close()
	defer os.Remove(file.Name())

	l := NewFileFuncLoader(
		func(r io.Reader) (*Values, error) {
			bytes, err := ioutil.ReadAll(r)
			if err != nil {
				return nil, err
			}
			if string(bytes) != "foobar" {
				t.Fail()
			}

			v := NewValues()
			v.Put(nil, "foobar")
			return v, nil
		},
		file.Name(),
	)

	v, err := l.Load()

	want := NewValues()
	want.Put(nil, "foobar")

	if !v.Equal(want) || err != nil {
		t.Fail()
	}
}

func TestNewReaderFuncLoader(t *testing.T) {
	l := NewReaderFuncLoader(func(_ io.Reader) (*Values, error) { return nil, nil }, strings.NewReader("foobar"))
	if l == nil {
		t.Fail()
	}
	rfl, ok := l.(*readerFuncLoader)
	if !ok {
		t.Fail()
	}
	if rfl.r == nil || rfl.rfl == nil {
		t.Fail()
	}
}

func TestReaderFuncLoader_Load(t *testing.T) {
	l := NewReaderFuncLoader(
		func(r io.Reader) (*Values, error) {
			bytes, err := ioutil.ReadAll(r)
			if err != nil {
				return nil, err
			}
			if string(bytes) != "foobar" {
				t.Fail()
			}

			v := NewValues()
			v.Put(nil, "foobar")
			return v, nil
		},
		strings.NewReader("foobar"),
	)

	v, err := l.Load()

	want := NewValues()
	want.Put(nil, "foobar")

	if !v.Equal(want) || err != nil {
		t.Fail()
	}
}