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// Copyright 2020 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package str
import (
"os"
"runtime"
"testing"
)
var foldDupTests = []struct {
list []string
f1, f2 string
}{
{StringList("math/rand", "math/big"), "", ""},
{StringList("math", "strings"), "", ""},
{StringList("strings"), "", ""},
{StringList("strings", "strings"), "strings", "strings"},
{StringList("Rand", "rand", "math", "math/rand", "math/Rand"), "Rand", "rand"},
}
func TestFoldDup(t *testing.T) {
for _, tt := range foldDupTests {
f1, f2 := FoldDup(tt.list)
if f1 != tt.f1 || f2 != tt.f2 {
t.Errorf("foldDup(%q) = %q, %q, want %q, %q", tt.list, f1, f2, tt.f1, tt.f2)
}
}
}
type trimFilePathPrefixTest struct {
s, prefix, want string
}
func TestTrimFilePathPrefixSlash(t *testing.T) {
if os.PathSeparator != '/' {
t.Skipf("test requires slash-separated file paths")
}
tests := []trimFilePathPrefixTest{
{"/foo", "", "foo"},
{"/foo", "/", "foo"},
{"/foo", "/foo", ""},
{"/foo/bar", "/foo", "bar"},
{"/foo/bar", "/foo/", "bar"},
// if prefix is not s's prefix, return s
{"/foo", "/bar", "/foo"},
{"/foo", "/foo/bar", "/foo"},
}
for _, tt := range tests {
if got := TrimFilePathPrefix(tt.s, tt.prefix); got != tt.want {
t.Errorf("TrimFilePathPrefix(%q, %q) = %q, want %q", tt.s, tt.prefix, got, tt.want)
}
}
}
func TestTrimFilePathPrefixWindows(t *testing.T) {
if runtime.GOOS != "windows" {
t.Skipf("test requires Windows file paths")
}
tests := []trimFilePathPrefixTest{
{`C:\foo`, `C:`, `foo`},
{`C:\foo`, `C:\`, `foo`},
{`C:\foo`, `C:\foo`, ``},
{`C:\foo\bar`, `C:\foo`, `bar`},
{`C:\foo\bar`, `C:\foo\`, `bar`},
// if prefix is not s's prefix, return s
{`C:\foo`, `C:\bar`, `C:\foo`},
{`C:\foo`, `C:\foo\bar`, `C:\foo`},
// if volumes are different, return s
{`C:\foo`, ``, `C:\foo`},
{`C:\foo`, `\foo`, `C:\foo`},
{`C:\foo`, `D:\foo`, `C:\foo`},
//UNC path
{`\\host\share\foo`, `\\host\share`, `foo`},
{`\\host\share\foo`, `\\host\share\`, `foo`},
{`\\host\share\foo`, `\\host\share\foo`, ``},
{`\\host\share\foo\bar`, `\\host\share\foo`, `bar`},
{`\\host\share\foo\bar`, `\\host\share\foo\`, `bar`},
// if prefix is not s's prefix, return s
{`\\host\share\foo`, `\\host\share\bar`, `\\host\share\foo`},
{`\\host\share\foo`, `\\host\share\foo\bar`, `\\host\share\foo`},
// if either host or share name is different, return s
{`\\host\share\foo`, ``, `\\host\share\foo`},
{`\\host\share\foo`, `\foo`, `\\host\share\foo`},
{`\\host\share\foo`, `\\host\other\`, `\\host\share\foo`},
{`\\host\share\foo`, `\\other\share\`, `\\host\share\foo`},
{`\\host\share\foo`, `\\host\`, `\\host\share\foo`},
{`\\host\share\foo`, `\share\`, `\\host\share\foo`},
}
for _, tt := range tests {
if got := TrimFilePathPrefix(tt.s, tt.prefix); got != tt.want {
t.Errorf("TrimFilePathPrefix(%q, %q) = %q, want %q", tt.s, tt.prefix, got, tt.want)
}
}
}
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