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|
package extract
import (
"bytes"
"os"
"path"
"strings"
"testing"
)
var expectedOutput = `// Code generated by 'yaegi extract guthib.com/baz'. DO NOT EDIT.
package bar
import (
"guthib.com/baz"
"reflect"
)
func init() {
Symbols["guthib.com/baz/baz"] = map[string]reflect.Value{
// function, constant and variable definitions
"Hello": reflect.ValueOf(baz.Hello),
}
}
`
func TestPackages(t *testing.T) {
testCases := []struct {
desc string
moduleOn string
wd string
arg string
importPath string
expected string
contains string
dest string
}{
{
desc: "stdlib math pkg, using go/importer",
dest: "math",
arg: "math",
// We check this one because it shows both defects when we break it: the value
// gets corrupted, and the type becomes token.INT
// TODO(mpl): if the ident between key and value becomes annoying, be smarter about it.
contains: `"MaxFloat32": reflect.ValueOf(constant.MakeFromLiteral("340282346638528859811704183484516925440", token.FLOAT, 0)),`,
},
{
desc: "using relative path, using go.mod",
wd: "./testdata/1/src/guthib.com/bar",
arg: "../baz",
expected: expectedOutput,
},
{
desc: "using relative path, manual import path",
wd: "./testdata/2/src/guthib.com/bar",
arg: "../baz",
importPath: "guthib.com/baz",
expected: expectedOutput,
},
{
desc: "using relative path, go.mod is ignored, because manual path",
wd: "./testdata/3/src/guthib.com/bar",
arg: "../baz",
importPath: "guthib.com/baz",
expected: expectedOutput,
},
{
desc: "using relative path, dep in vendor, using go.mod",
wd: "./testdata/4/src/guthib.com/bar",
arg: "./vendor/guthib.com/baz",
expected: expectedOutput,
},
{
desc: "using relative path, dep in vendor, manual import path",
wd: "./testdata/5/src/guthib.com/bar",
arg: "./vendor/guthib.com/baz",
importPath: "guthib.com/baz",
expected: expectedOutput,
},
{
desc: "using relative path, package name is not same as import path",
wd: "./testdata/6/src/guthib.com/bar",
arg: "../baz-baz",
importPath: "guthib.com/baz",
expected: expectedOutput,
},
{
desc: "using relative path, interface method parameter is variadic",
wd: "./testdata/7/src/guthib.com/variadic",
arg: "../variadic",
importPath: "guthib.com/variadic",
expected: `
// Code generated by 'yaegi extract guthib.com/variadic'. DO NOT EDIT.
package variadic
import (
"guthib.com/variadic"
"reflect"
)
func init() {
Symbols["guthib.com/variadic/variadic"] = map[string]reflect.Value{
// type definitions
"Variadic": reflect.ValueOf((*variadic.Variadic)(nil)),
// interface wrapper definitions
"_Variadic": reflect.ValueOf((*_guthib_com_variadic_Variadic)(nil)),
}
}
// _guthib_com_variadic_Variadic is an interface wrapper for Variadic type
type _guthib_com_variadic_Variadic struct {
IValue interface{}
WCall func(method string, args ...[]interface{}) (interface{}, error)
}
func (W _guthib_com_variadic_Variadic) Call(method string, args ...[]interface{}) (interface{}, error) {
return W.WCall(method, args...)
}
`[1:],
},
}
for _, test := range testCases {
test := test
t.Run(test.desc, func(t *testing.T) {
cwd, err := os.Getwd()
if err != nil {
t.Fatal(err)
}
wd := test.wd
if wd == "" {
wd = cwd
} else {
if err := os.Chdir(wd); err != nil {
t.Fatal(err)
}
defer func() {
if err := os.Chdir(cwd); err != nil {
t.Fatal(err)
}
}()
}
dest := path.Base(wd)
if test.dest != "" {
dest = test.dest
}
ext := Extractor{
Dest: dest,
}
var out bytes.Buffer
if _, err := ext.Extract(test.arg, test.importPath, &out); err != nil {
t.Fatal(err)
}
if test.expected != "" {
if out.String() != test.expected {
t.Fatalf("\nGot:\n%q\nWant: \n%q", out.String(), test.expected)
}
}
if test.contains != "" {
if !strings.Contains(out.String(), test.contains) {
t.Fatalf("Missing expected part: %s in %s", test.contains, out.String())
}
}
})
}
}
|
