github.com/joomcode/cue@v0.4.4-0.20221111115225-539fe3512047/cue/load/import_test.go (about) 1 // Copyright 2018 The CUE Authors 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 package load 16 17 import ( 18 "os" 19 "reflect" 20 "testing" 21 22 "github.com/joomcode/cue/cue/build" 23 "github.com/joomcode/cue/cue/token" 24 ) 25 26 const testdata = "./testdata/" 27 28 func getInst(pkg, cwd string) (*build.Instance, error) { 29 c, _ := (&Config{Dir: cwd}).complete() 30 l := loader{cfg: c} 31 inst := c.newRelInstance(token.NoPos, pkg, c.Package) 32 p := l.importPkg(token.NoPos, inst)[0] 33 return p, p.Err 34 } 35 36 func TestEmptyImport(t *testing.T) { 37 p, err := getInst("", "") 38 if err == nil { 39 t.Fatal(`Import("") returned nil error.`) 40 } 41 if p == nil { 42 t.Fatal(`Import("") returned nil package.`) 43 } 44 if p.DisplayPath != "" { 45 t.Fatalf("DisplayPath=%q, want %q.", p.DisplayPath, "") 46 } 47 } 48 49 func TestEmptyFolderImport(t *testing.T) { 50 _, err := getInst(".", testdata+"empty") 51 if _, ok := err.(*NoFilesError); !ok { 52 t.Fatal(`Import("testdata/empty") did not return NoCUEError.`) 53 } 54 } 55 56 func TestMultiplePackageImport(t *testing.T) { 57 _, err := getInst(".", testdata+"multi") 58 mpe, ok := err.(*MultiplePackageError) 59 if !ok { 60 t.Fatal(`Import("testdata/multi") did not return MultiplePackageError.`) 61 } 62 mpe.Dir = "" 63 want := &MultiplePackageError{ 64 Packages: []string{"main", "test_package"}, 65 Files: []string{"file.cue", "file_appengine.cue"}, 66 } 67 if !reflect.DeepEqual(mpe, want) { 68 t.Errorf("got %#v; want %#v", mpe, want) 69 } 70 } 71 72 func TestLocalDirectory(t *testing.T) { 73 cwd, err := os.Getwd() 74 if err != nil { 75 t.Fatal(err) 76 } 77 78 p, err := getInst(".", cwd) 79 if err != nil { 80 t.Fatal(err) 81 } 82 83 if p.DisplayPath != "." { 84 t.Fatalf("DisplayPath=%q, want %q", p.DisplayPath, ".") 85 } 86 }