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// Copyright 2024 Bjørn Erik Pedersen
// SPDX-License-Identifier: MIT
package filehelpers
import (
"fmt"
"os"
"path/filepath"
"runtime"
"strings"
"testing"
qt "github.com/frankban/quicktest"
)
func TestCopyFile(t *testing.T) {
if runtime.GOOS == "windows" {
t.Skip("skipping on windows")
}
tempDir := t.TempDir()
abs := func(s string) string {
return filepath.Join(tempDir, s)
}
c := qt.New(t)
_, err := os.OpenFile(abs("f1.txt"), os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0o700)
c.Assert(err, qt.IsNil)
c.Assert(CopyFile(abs("f1.txt"), abs("f2.txt")), qt.IsNil)
fi1, err := os.Stat(abs("f1.txt"))
c.Assert(err, qt.IsNil)
fi2, err := os.Stat(abs("f2.txt"))
c.Assert(err, qt.IsNil)
c.Assert(fi1.Mode(), qt.Equals, fi2.Mode())
// Error cases.
c.Assert(CopyFile(abs("doesnotexist.txt"), abs("f2.txt")), qt.IsNotNil)
c.Assert(CopyFile(abs("f1.txt"), abs("doesnotexist/f2.txt")), qt.IsNotNil)
}
func TestCopyDir(t *testing.T) {
if runtime.GOOS == "windows" {
t.Skip("skipping on windows")
}
tempDir := t.TempDir()
abs := func(s string) string {
return filepath.Join(tempDir, s)
}
c := qt.New(t)
c.Assert(os.MkdirAll(abs("a/b/c"), 0o755), qt.IsNil)
_, err := os.Create(abs("a/b/c/f1.txt"))
c.Assert(err, qt.IsNil)
_, err = os.Create(abs("a/b/c/f2.txt"))
c.Assert(err, qt.IsNil)
_, err = os.Create(abs("a/b/c/f3.txt"))
c.Assert(err, qt.IsNil)
c.Assert(CopyDir(abs("a"), abs("b"), func(filename string) bool { return !strings.Contains(filename, "f3") }), qt.IsNil)
for i := 1; i <= 2; i++ {
fi1, err := os.Stat(abs(fmt.Sprintf("a/b/c/f%d.txt", i)))
c.Assert(err, qt.IsNil)
fi2, err := os.Stat(abs(fmt.Sprintf("b/b/c/f%d.txt", i)))
c.Assert(err, qt.IsNil)
c.Assert(fi1.Mode(), qt.Equals, fi2.Mode())
}
rdir2, _ := os.ReadDir(abs("b/b/c"))
c.Assert(len(rdir2), qt.Equals, 2)
c.Assert(CopyDir(abs("a"), abs("b"), nil), qt.IsNil)
rdir2, _ = os.ReadDir(abs("b/b/c"))
c.Assert(len(rdir2), qt.Equals, 3)
// Error cases.
c.Assert(CopyDir(abs("doesnotexist"), abs("b"), nil), qt.IsNotNil)
c.Assert(CopyDir(abs("a/b/c/f3.txt"), abs("b"), nil), qt.IsNotNil)
}
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