github.com/grailbio/base@v0.0.11/file/path_test.go (about)

     1  package file_test
     2  
     3  import (
     4  	"fmt"
     5  	"testing"
     6  
     7  	"github.com/grailbio/base/file"
     8  	"github.com/grailbio/testutil/expect"
     9  )
    10  
    11  func TestJoin(t *testing.T) {
    12  	tests := []struct {
    13  		elems []string
    14  		want  string
    15  	}{
    16  		{
    17  			[]string{"foo/"}, // trailing separator removed from first element.
    18  			"foo",
    19  		},
    20  		{
    21  			[]string{"foo", "bar"}, // join adds separator
    22  			"foo/bar",
    23  		},
    24  		{
    25  			[]string{"foo", "bar/"}, // trailing separator removed from second element.
    26  			"foo/bar",
    27  		},
    28  		{
    29  			[]string{"/foo", "bar"}, // leading separator is retained in first element.
    30  			"/foo/bar",
    31  		},
    32  		{
    33  			[]string{"foo/", "bar"}, // trailing separator removed before join.
    34  			"foo/bar",
    35  		},
    36  		{
    37  			[]string{"foo/", "/bar"}, // all separators removed before join.
    38  			"foo/bar",
    39  		},
    40  		{
    41  			[]string{"foo/", "/bar", "baz"}, // all separators removed before join.
    42  			"foo/bar/baz",
    43  		},
    44  		{
    45  			[]string{"foo/", "bar", "/baz"}, // all separators removed before join.
    46  			"foo/bar/baz",
    47  		},
    48  		{
    49  			[]string{"http://foo/", "/bar"}, // separators inside the element are retained.
    50  			"http://foo/bar",
    51  		},
    52  		{
    53  			[]string{"s3://", "bar"},
    54  			"s3://bar",
    55  		},
    56  		{
    57  			[]string{"s3://", "/bar"},
    58  			"s3://bar",
    59  		},
    60  		{
    61  			[]string{"//go/src/grailbio/base/file", "path_test.go"},
    62  			"//go/src/grailbio/base/file/path_test.go",
    63  		},
    64  	}
    65  	for i, test := range tests {
    66  		t.Run(fmt.Sprint(i), func(t *testing.T) {
    67  			expect.EQ(t, file.Join(test.elems...), test.want)
    68  		})
    69  	}
    70  }