github.com/solo-io/cue@v0.4.7/pkg/tool/file/file_test.go (about)

     1  // Copyright 2019 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 file
    16  
    17  import (
    18  	"fmt"
    19  	"io/ioutil"
    20  	"os"
    21  	"path/filepath"
    22  	"reflect"
    23  	"testing"
    24  
    25  	"github.com/solo-io/cue/cue"
    26  	"github.com/solo-io/cue/cue/parser"
    27  	"github.com/solo-io/cue/internal/task"
    28  	"github.com/solo-io/cue/internal/value"
    29  )
    30  
    31  func parse(t *testing.T, kind, expr string) cue.Value {
    32  	t.Helper()
    33  
    34  	x, err := parser.ParseExpr("test", expr)
    35  	if err != nil {
    36  		t.Fatal(err)
    37  	}
    38  	var r cue.Runtime
    39  	i, err := r.CompileExpr(x)
    40  	if err != nil {
    41  		t.Fatal(err)
    42  	}
    43  	return value.UnifyBuiltin(i.Value(), kind)
    44  }
    45  func TestRead(t *testing.T) {
    46  	v := parse(t, "tool/file.Read", `{filename: "testdata/input.foo"}`)
    47  	got, err := (*cmdRead).Run(nil, &task.Context{Obj: v})
    48  	if err != nil {
    49  		t.Fatal(err)
    50  	}
    51  	want := map[string]interface{}{"contents": []byte("This is a test.")}
    52  	if !reflect.DeepEqual(got, want) {
    53  		t.Errorf("got %v; want %v", got, want)
    54  	}
    55  
    56  	v = parse(t, "tool/file.Read", `{
    57  		filename: "testdata/input.foo"
    58  		contents: string
    59  	}`)
    60  	got, err = (*cmdRead).Run(nil, &task.Context{Obj: v})
    61  	if err != nil {
    62  		t.Fatal(err)
    63  	}
    64  	want = map[string]interface{}{"contents": "This is a test."}
    65  	if !reflect.DeepEqual(got, want) {
    66  		t.Errorf("got %v; want %v", got, want)
    67  	}
    68  }
    69  
    70  func TestAppend(t *testing.T) {
    71  	f, err := ioutil.TempFile("", "filetest")
    72  	if err != nil {
    73  		t.Fatal(err)
    74  	}
    75  	name := f.Name()
    76  	defer os.Remove(name)
    77  	f.Close()
    78  	name = filepath.ToSlash(name)
    79  
    80  	v := parse(t, "tool/file.Append", fmt.Sprintf(`{
    81  		filename: "%s"
    82  		contents: "This is a test."
    83  	}`, name))
    84  	_, err = (*cmdAppend).Run(nil, &task.Context{Obj: v})
    85  	if err != nil {
    86  		t.Fatal(err)
    87  	}
    88  
    89  	b, err := ioutil.ReadFile(name)
    90  	if err != nil {
    91  		t.Fatal(err)
    92  	}
    93  
    94  	if got, want := string(b), "This is a test."; got != want {
    95  		t.Errorf("got %v; want %v", got, want)
    96  	}
    97  }
    98  
    99  func TestCreate(t *testing.T) {
   100  	f, err := ioutil.TempFile("", "filetest")
   101  	if err != nil {
   102  		t.Fatal(err)
   103  	}
   104  	name := f.Name()
   105  	defer os.Remove(name)
   106  	f.Close()
   107  	name = filepath.ToSlash(name)
   108  
   109  	v := parse(t, "tool/file.Create", fmt.Sprintf(`{
   110  		filename: "%s"
   111  		contents: "This is a test."
   112  	}`, name))
   113  	_, err = (*cmdCreate).Run(nil, &task.Context{Obj: v})
   114  	if err != nil {
   115  		t.Fatal(err)
   116  	}
   117  
   118  	b, err := ioutil.ReadFile(name)
   119  	if err != nil {
   120  		t.Fatal(err)
   121  	}
   122  
   123  	if got, want := string(b), "This is a test."; got != want {
   124  		t.Errorf("got %v; want %v", got, want)
   125  	}
   126  }
   127  
   128  func TestGlob(t *testing.T) {
   129  	v := parse(t, "tool/file.Glob", fmt.Sprintf(`{
   130  		glob: "testdata/input.*"
   131  	}`))
   132  	got, err := (*cmdGlob).Run(nil, &task.Context{Obj: v})
   133  	if err != nil {
   134  		t.Fatal(err)
   135  	}
   136  	if want := map[string]interface{}{"files": []string{"testdata/input.foo"}}; !reflect.DeepEqual(got, want) {
   137  		t.Errorf("got %v; want %v", got, want)
   138  	}
   139  }