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package remove
import (
"testing"
"github.com/stretchr/testify/assert"
"github.com/dundee/gdu/v5/internal/testdir"
"github.com/dundee/gdu/v5/pkg/analyze"
"github.com/dundee/gdu/v5/pkg/fs"
)
func TestTruncateFile(t *testing.T) {
fin := testdir.CreateTestDir()
defer fin()
dir := &analyze.Dir{
File: &analyze.File{
Name: "test_dir",
Size: 5,
Usage: 12,
},
ItemCount: 3,
BasePath: ".",
}
subdir := &analyze.Dir{
File: &analyze.File{
Name: "nested",
Size: 4,
Usage: 8,
Parent: dir,
},
ItemCount: 2,
}
file := &analyze.File{
Name: "file2",
Size: 3,
Usage: 4,
Parent: subdir,
}
dir.Files = fs.Files{subdir}
subdir.Files = fs.Files{file}
err := EmptyFileFromDir(subdir, file)
assert.Nil(t, err)
assert.Equal(t, 1, len(subdir.Files))
assert.Equal(t, int64(1), subdir.ItemCount) // RemoveFile decrements, AddFile doesn't increment
assert.Equal(t, int64(1), subdir.Size)
assert.Equal(t, int64(4), subdir.Usage)
assert.Equal(t, 1, len(dir.Files))
assert.Equal(t, int64(2), dir.ItemCount) // RemoveFile decrements, AddFile doesn't increment
assert.Equal(t, int64(2), dir.Size)
}
func TestRemoveFile(t *testing.T) {
dir := &analyze.Dir{
File: &analyze.File{
Name: "xxx",
Size: 5,
Usage: 12,
},
ItemCount: 3,
BasePath: ".",
}
subdir := &analyze.Dir{
File: &analyze.File{
Name: "yyy",
Size: 4,
Usage: 8,
Parent: dir,
},
ItemCount: 2,
}
file := &analyze.File{
Name: "zzz",
Size: 3,
Usage: 4,
Parent: subdir,
}
dir.Files = fs.Files{subdir}
subdir.Files = fs.Files{file}
err := ItemFromDir(subdir, file)
assert.Nil(t, err)
assert.Equal(t, 0, len(subdir.Files))
assert.Equal(t, int64(1), subdir.ItemCount)
assert.Equal(t, int64(1), subdir.Size)
assert.Equal(t, int64(4), subdir.Usage)
assert.Equal(t, 1, len(dir.Files))
assert.Equal(t, int64(2), dir.ItemCount)
assert.Equal(t, int64(2), dir.Size)
}
func TestTruncateFileWithErr(t *testing.T) {
dir := &analyze.Dir{
File: &analyze.File{
Name: "xxx",
Size: 5,
Usage: 12,
},
ItemCount: 3,
BasePath: ".",
}
subdir := &analyze.Dir{
File: &analyze.File{
Name: "yyy",
Size: 4,
Usage: 8,
Parent: dir,
},
ItemCount: 2,
}
file := &analyze.File{
Name: "zzz",
Size: 3,
Usage: 4,
Parent: subdir,
}
dir.Files = fs.Files{subdir}
subdir.Files = fs.Files{file}
err := EmptyFileFromDir(subdir, file)
assert.Contains(t, err.Error(), "no such file or directory")
}
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