tools/src/fileutils/paths_test.go

// Copyright 2022 The Dawn & Tint Authors
//
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// modification, are permitted provided that the following conditions are met:
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// 1. Redistributions of source code must retain the above copyright notice, this
//    list of conditions and the following disclaimer.
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// 2. Redistributions in binary form must reproduce the above copyright notice,
//    this list of conditions and the following disclaimer in the documentation
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// 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.
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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)
	}
}