github.com/vtorhonen/terraform@v0.9.0-beta2.0.20170307220345-5d894e4ffda7/command/hook_ui_test.go (about)

     1  package command
     2  
     3  import (
     4  	"fmt"
     5  	"testing"
     6  )
     7  
     8  func TestTruncateId(t *testing.T) {
     9  	testCases := []struct {
    10  		Input    string
    11  		Expected string
    12  		MaxLen   int
    13  	}{
    14  		{
    15  			Input:    "Hello world",
    16  			Expected: "H...d",
    17  			MaxLen:   3,
    18  		},
    19  		{
    20  			Input:    "Hello world",
    21  			Expected: "H...d",
    22  			MaxLen:   5,
    23  		},
    24  		{
    25  			Input:    "Hello world",
    26  			Expected: "He...d",
    27  			MaxLen:   6,
    28  		},
    29  		{
    30  			Input:    "Hello world",
    31  			Expected: "He...ld",
    32  			MaxLen:   7,
    33  		},
    34  		{
    35  			Input:    "Hello world",
    36  			Expected: "Hel...ld",
    37  			MaxLen:   8,
    38  		},
    39  		{
    40  			Input:    "Hello world",
    41  			Expected: "Hel...rld",
    42  			MaxLen:   9,
    43  		},
    44  		{
    45  			Input:    "Hello world",
    46  			Expected: "Hell...rld",
    47  			MaxLen:   10,
    48  		},
    49  		{
    50  			Input:    "Hello world",
    51  			Expected: "Hello world",
    52  			MaxLen:   11,
    53  		},
    54  		{
    55  			Input:    "Hello world",
    56  			Expected: "Hello world",
    57  			MaxLen:   12,
    58  		},
    59  	}
    60  	for i, tc := range testCases {
    61  		testName := fmt.Sprintf("%d", i)
    62  		t.Run(testName, func(t *testing.T) {
    63  			out := truncateId(tc.Input, tc.MaxLen)
    64  			if out != tc.Expected {
    65  				t.Fatalf("Expected %q to be shortened to %d as %q (given: %q)",
    66  					tc.Input, tc.MaxLen, tc.Expected, out)
    67  			}
    68  		})
    69  	}
    70  }