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// Copyright 2022 The Dawn & Tint Authors
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
package fileutils_test
import (
"path/filepath"
"strings"
"testing"
"dawn.googlesource.com/dawn/tools/src/fileutils"
"github.com/google/go-cmp/cmp"
)
func TestThisLine(t *testing.T) {
td := fileutils.ThisLine()
if !strings.HasSuffix(td, "paths_test.go:40") {
t.Errorf("TestThisLine() returned %v", td)
}
}
func TestThisDir(t *testing.T) {
td := fileutils.ThisDir()
if !strings.HasSuffix(td, "utils") {
t.Errorf("ThisDir() returned %v", td)
}
}
func TestDawnRoot(t *testing.T) {
dr := fileutils.DawnRoot()
rel, err := filepath.Rel(dr, fileutils.ThisDir())
if err != nil {
t.Fatalf("%v", err)
}
got := filepath.ToSlash(rel)
expect := `tools/src/fileutils`
if diff := cmp.Diff(got, expect); diff != "" {
t.Errorf("DawnRoot() returned %v.\n%v", dr, diff)
}
}
func TestCommonRootDir(t *testing.T) {
for _, test := range []struct {
a, b string
expect string
}{
{"", "", "/"},
{"a/b/c", "d/e/f", ""},
{"a/", "b", ""},
{"a/b/c", "a/b", "a/b/"},
{"a/b/c/", "a/b", "a/b/"},
{"a/b/c/", "a/b/", "a/b/"},
{"a/b/c", "a/b/d", "a/b/"},
{"a/b/c", "a/bc", "a/"},
} {
if got := fileutils.CommonRootDir(test.a, test.b); got != test.expect {
t.Errorf("CommonRootDir('%v', '%v') returned '%v'.\nExpected: '%v'", test.a, test.b, got, test.expect)
}
if got := fileutils.CommonRootDir(test.b, test.a); got != test.expect {
t.Errorf("CommonRootDir('%v', '%v') returned '%v'.\nExpected: '%v'", test.b, test.a, got, test.expect)
}
}
}