forked from src-d/go-parse-utils
/
importer_test.go
106 lines (89 loc) · 2.67 KB
/
importer_test.go
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package parseutil_test
import (
"path/filepath"
"testing"
"github.com/ernesto-jimenez/go-parse-utils"
"github.com/stretchr/testify/require"
_ "google.golang.org/grpc"
)
const project = "github.com/ernesto-jimenez/go-parse-utils"
var projectPath = func() string {
path, err := parseutil.DefaultGoPath.Abs(project)
if err != nil {
panic(err)
}
return path
}()
func projectFile(path string) string {
return filepath.Join(projectPath, path)
}
func TestGetSourceFiles(t *testing.T) {
projPath, err := parseutil.DefaultGoPath.PathOf(project)
require.NoError(t, err)
_, paths, err := parseutil.NewImporter().
GetSourceFiles(project, projPath, parseutil.FileFilters{})
require.NoError(t, err)
expected := []string{
projectFile("ast.go"),
projectFile("importer.go"),
}
require.Equal(t, expected, paths)
}
func TestParseSourceFiles(t *testing.T) {
paths := []string{
projectFile("ast.go"),
projectFile("importer.go"),
}
pkg, err := parseutil.NewImporter().ParseSourceFiles(projectPath, paths)
require.Nil(t, err)
require.Equal(t, "parseutil", pkg.Name())
}
func TestImport(t *testing.T) {
imp := parseutil.NewImporter()
pkg, err := imp.Import(project)
require.Nil(t, err)
require.Equal(t, "parseutil", pkg.Name())
}
func TestImportWithFilters(t *testing.T) {
imp := parseutil.NewImporter()
_, err := imp.ImportWithFilters(project, parseutil.FileFilters{
func(pkgPath, file string, typ parseutil.FileType) bool {
return file != "importer.go"
},
})
require.NotNil(t, err, "excluding importer.go makes package unimportable")
}
func TestImportGoogleGrpc(t *testing.T) {
imp := parseutil.NewImporter()
_, err := imp.Import("google.golang.org/grpc")
require.Nil(t, err, "should be able to import this. Was a bug")
}
func TestImportFrom(t *testing.T) {
imp := parseutil.NewImporter()
pkg, err := imp.ImportFrom(project, "", 0)
require.Nil(t, err)
require.Equal(t, "parseutil", pkg.Name())
}
func TestImportFromVendored(t *testing.T) {
imp := parseutil.NewImporter()
pkg, err := imp.ImportFrom("vendoredPkg", "_testdata", 0)
require.Nil(t, err)
require.Equal(t, "vendoredPkg", pkg.Name())
}
func TestFileFilters(t *testing.T) {
fs := parseutil.FileFilters{
func(pkgPath, file string, typ parseutil.FileType) bool {
return pkgPath == "a"
},
func(pkgPath, file string, typ parseutil.FileType) bool {
return file == "a"
},
func(pkgPath, file string, typ parseutil.FileType) bool {
return typ == parseutil.GoFile
},
}
require.True(t, fs.KeepFile("a", "a", parseutil.GoFile))
require.False(t, fs.KeepFile("b", "a", parseutil.GoFile))
require.False(t, fs.KeepFile("a", "b", parseutil.GoFile))
require.False(t, fs.KeepFile("a", "a", parseutil.CgoFile))
}