jspacker - plugin_test.go

     1  package jspacker
     2  
     3  import (
     4  	"fmt"
     5  	"testing"
     6  
     7  	"vimagination.zapto.org/javascript"
     8  	"vimagination.zapto.org/parser"
     9  )
    10  
    11  func TestPlugin(t *testing.T) {
    12  	for n, test := range [...]struct {
    13  		Input  string
    14  		URL    string
    15  		Output string
    16  	}{
    17  		{ // 1
    18  			"import a from './b.js';console.log(a)",
    19  			"/a.js",
    20  			"const a_ = await include(\"/b.js\");\n\nconsole.log(a_.default);",
    21  		},
    22  		{ // 2
    23  			"import a from '../b.js';console.log(a)",
    24  			"/a/a.js",
    25  			"const a_ = await include(\"/b.js\");\n\nconsole.log(a_.default);",
    26  		},
    27  		{ // 3
    28  			"import a, {b, c} from './b.js';console.log(a, b, c)",
    29  			"/a.js",
    30  			"const a_ = await include(\"/b.js\");\n\nconsole.log(a_.default, a_.b, a_.c);",
    31  		},
    32  		{ // 4
    33  			"import * as a from './b.js';console.log(a)",
    34  			"/a.js",
    35  			"const a_ = await include(\"/b.js\");\n\nconsole.log(a_);",
    36  		},
    37  	} {
    38  		tks := parser.NewStringTokeniser(test.Input)
    39  
    40  		m, err := javascript.ParseModule(&tks)
    41  		if err != nil {
    42  			t.Fatalf("test %d: unexpected err: %s", n+1, err)
    43  		}
    44  
    45  		s, err := Plugin(m, test.URL)
    46  		if err != nil {
    47  			t.Fatalf("test %d: unexpected err: %s", n+1, err)
    48  		}
    49  
    50  		if output := fmt.Sprintf("%s", s); output != test.Output {
    51  			t.Errorf("test %d: expecting output: %q\ngot: %q", n+1, test.Output, output)
    52  		}
    53  	}
    54  }
    55