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
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
|
package pkg
import (
"bytes"
"fmt"
"os"
"path/filepath"
"testing"
"github.com/traefik/yaegi/interp"
"github.com/traefik/yaegi/stdlib"
)
func TestPackages(t *testing.T) {
testCases := []struct {
desc string
goPath string
expected string
topImport string
evalFile string
}{
{
desc: "vendor",
goPath: "./_pkg/",
expected: "root Fromage",
},
{
desc: "sub-subpackage",
goPath: "./_pkg0/",
expected: "root Fromage Cheese",
},
{
desc: "subpackage",
goPath: "./_pkg1/",
expected: "root Fromage!",
},
{
desc: "multiple vendor folders",
goPath: "./_pkg2/",
expected: "root Fromage Cheese!",
},
{
desc: "multiple vendor folders and subpackage in vendor",
goPath: "./_pkg3/",
expected: "root Fromage Couteau Cheese!",
},
{
desc: "multiple vendor folders and multiple subpackages in vendor",
goPath: "./_pkg4/",
expected: "root Fromage Cheese Vin! Couteau",
},
{
desc: "vendor flat",
goPath: "./_pkg5/",
expected: "root Fromage Cheese Vin! Couteau",
},
{
desc: "fallback to GOPATH",
goPath: "./_pkg6/",
expected: "root Fromage Cheese Vin! Couteau",
},
{
desc: "recursive vendor",
goPath: "./_pkg7/",
expected: "root vin cheese fromage",
},
{
desc: "named subpackage",
goPath: "./_pkg8/",
expected: "root Fromage!",
},
{
desc: "at the project root",
goPath: "./_pkg10/",
expected: "root Fromage",
topImport: "github.com/foo",
},
{
desc: "eval main that has vendored dep",
goPath: "./_pkg11/",
expected: "Fromage",
evalFile: "./_pkg11/src/foo/foo.go",
},
{
desc: "vendor dir is a sibling or an uncle",
goPath: "./_pkg12/",
expected: "Yo hello",
topImport: "guthib.com/foo/pkg",
},
{
desc: "eval main with vendor as a sibling",
goPath: "./_pkg12/",
expected: "Yo hello",
evalFile: "./_pkg12/src/guthib.com/foo/main.go",
},
{
desc: "eval main with vendor",
goPath: "./_pkg13/",
expected: "foobar",
evalFile: "./_pkg13/src/guthib.com/foo/bar/main.go",
},
}
for _, test := range testCases {
test := test
t.Run(test.desc, func(t *testing.T) {
goPath, err := filepath.Abs(filepath.FromSlash(test.goPath))
if err != nil {
t.Fatal(err)
}
var stdout, stderr bytes.Buffer
i := interp.New(interp.Options{GoPath: goPath, Stdout: &stdout, Stderr: &stderr})
// Use binary standard library
if err := i.Use(stdlib.Symbols); err != nil {
t.Fatal(err)
}
var msg string
if test.evalFile != "" {
if _, err := i.EvalPath(filepath.FromSlash(test.evalFile)); err != nil {
fatalStderrf(t, "%v", err)
}
msg = stdout.String()
} else {
// Load pkg from sources
topImport := "github.com/foo/pkg"
if test.topImport != "" {
topImport = test.topImport
}
if _, err = i.Eval(fmt.Sprintf(`import %q`, topImport)); err != nil {
t.Fatal(err)
}
value, err := i.Eval(`pkg.NewSample()`)
if err != nil {
t.Fatal(err)
}
fn := value.Interface().(func() string)
msg = fn()
}
if msg != test.expected {
fatalStderrf(t, "Got %q, want %q", msg, test.expected)
}
})
}
}
func fatalStderrf(t *testing.T, format string, args ...interface{}) {
t.Helper()
fmt.Fprintf(os.Stderr, format+"\n", args...)
t.FailNow()
}
func TestPackagesError(t *testing.T) {
testCases := []struct {
desc string
goPath string
expected string
}{
{
desc: "different packages in the same directory",
goPath: "./_pkg9/",
expected: `1:21: import "github.com/foo/pkg" error: found packages pkg and pkgfalse in ` + filepath.FromSlash("_pkg9/src/github.com/foo/pkg"),
},
}
for _, test := range testCases {
test := test
t.Run(test.desc, func(t *testing.T) {
// Init go interpreter
i := interp.New(interp.Options{GoPath: test.goPath})
// Use binary standard library
if err := i.Use(stdlib.Symbols); err != nil {
t.Fatal(err)
}
// Load pkg from sources
_, err := i.Eval(`import "github.com/foo/pkg"`)
if err == nil {
t.Fatalf("got no error, want %q", test.expected)
}
if err.Error() != test.expected {
t.Errorf("got %q, want %q", err.Error(), test.expected)
}
})
}
}
|
