github.com/hugelgupf/u-root@v0.0.0-20191023214958-4807c632154c/cmds/core/elvish/parse/pprint_test.go (about)

     1  package parse
     2  
     3  import (
     4  	"testing"
     5  
     6  	"github.com/u-root/u-root/cmds/core/elvish/tt"
     7  )
     8  
     9  var n = mustParse("ls $x[0]$y[1];echo")
    10  
    11  var pprintASTTests = tt.Table{
    12  	tt.Args(n).Rets(
    13  		`Chunk
    14    Pipeline/Form
    15      Compound/Indexing/Primary Type=Bareword Value="ls"
    16      Compound
    17        Indexing
    18          Primary Type=Variable Value="x"
    19          Array/Compound/Indexing/Primary Type=Bareword Value="0"
    20        Indexing
    21          Primary Type=Variable Value="y"
    22          Array/Compound/Indexing/Primary Type=Bareword Value="1"
    23    Pipeline/Form/Compound/Indexing/Primary Type=Bareword Value="echo"
    24  `),
    25  }
    26  
    27  func TestPPrintAST(t *testing.T) {
    28  	tt.Test(t, tt.Fn("PPrintAST", PPrintAST), pprintASTTests)
    29  }
    30  
    31  var pprintParseTreeTests = tt.Table{
    32  	tt.Args(n).Rets(
    33  		`Chunk "ls $x[0]$y[1];echo" 0-18
    34    Pipeline/Form "ls $x[0]$y[1]" 0-13
    35      Compound/Indexing/Primary "ls" 0-2
    36      Sep " " 2-3
    37      Compound "$x[0]$y[1]" 3-13
    38        Indexing "$x[0]" 3-8
    39          Primary "$x" 3-5
    40          Sep "[" 5-6
    41          Array/Compound/Indexing/Primary "0" 6-7
    42          Sep "]" 7-8
    43        Indexing "$y[1]" 8-13
    44          Primary "$y" 8-10
    45          Sep "[" 10-11
    46          Array/Compound/Indexing/Primary "1" 11-12
    47          Sep "]" 12-13
    48    Sep ";" 13-14
    49    Pipeline/Form/Compound/Indexing/Primary "echo" 14-18
    50  `),
    51  }
    52  
    53  func TestPprintParseTree(t *testing.T) {
    54  	tt.Test(t, tt.Fn("PPrintParseTree", PPrintParseTree), pprintParseTreeTests)
    55  }
    56  
    57  func mustParse(src string) Node {
    58  	n, err := Parse("[test]", src)
    59  	if err != nil {
    60  		panic(err)
    61  	}
    62  	return n
    63  }