github.com/fxsjy/go-ethereum@v1.8.4-0.20180410143526-2e247705cd27/internal/jsre/completion_test.go (about)

     1  // Copyright 2016 The go-ethereum Authors
     2  // This file is part of the go-ethereum library.
     3  //
     4  // The go-ethereum library is free software: you can redistribute it and/or modify
     5  // it under the terms of the GNU Lesser General Public License as published by
     6  // the Free Software Foundation, either version 3 of the License, or
     7  // (at your option) any later version.
     8  //
     9  // The go-ethereum library is distributed in the hope that it will be useful,
    10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    12  // GNU Lesser General Public License for more details.
    13  //
    14  // You should have received a copy of the GNU Lesser General Public License
    15  // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
    16  
    17  package jsre
    18  
    19  import (
    20  	"os"
    21  	"reflect"
    22  	"testing"
    23  )
    24  
    25  func TestCompleteKeywords(t *testing.T) {
    26  	re := New("", os.Stdout)
    27  	re.Run(`
    28  		function theClass() {
    29  			this.foo = 3;
    30  			this.gazonk = {xyz: 4};
    31  		}
    32  		theClass.prototype.someMethod = function () {};
    33    		var x = new theClass();
    34    		var y = new theClass();
    35  		y.someMethod = function override() {};
    36  	`)
    37  
    38  	var tests = []struct {
    39  		input string
    40  		want  []string
    41  	}{
    42  		{
    43  			input: "x",
    44  			want:  []string{"x."},
    45  		},
    46  		{
    47  			input: "x.someMethod",
    48  			want:  []string{"x.someMethod("},
    49  		},
    50  		{
    51  			input: "x.",
    52  			want: []string{
    53  				"x.constructor",
    54  				"x.foo",
    55  				"x.gazonk",
    56  				"x.someMethod",
    57  			},
    58  		},
    59  		{
    60  			input: "y.",
    61  			want: []string{
    62  				"y.constructor",
    63  				"y.foo",
    64  				"y.gazonk",
    65  				"y.someMethod",
    66  			},
    67  		},
    68  		{
    69  			input: "x.gazonk.",
    70  			want: []string{
    71  				"x.gazonk.constructor",
    72  				"x.gazonk.hasOwnProperty",
    73  				"x.gazonk.isPrototypeOf",
    74  				"x.gazonk.propertyIsEnumerable",
    75  				"x.gazonk.toLocaleString",
    76  				"x.gazonk.toString",
    77  				"x.gazonk.valueOf",
    78  				"x.gazonk.xyz",
    79  			},
    80  		},
    81  	}
    82  	for _, test := range tests {
    83  		cs := re.CompleteKeywords(test.input)
    84  		if !reflect.DeepEqual(cs, test.want) {
    85  			t.Errorf("wrong completions for %q\ngot  %v\nwant %v", test.input, cs, test.want)
    86  		}
    87  	}
    88  }