wings/server/filesystem/errors_test.go

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package filesystem
import (
"io"
"testing"
"emperror.dev/errors"
. "github.com/franela/goblin"
)
type stackTracer interface {
StackTrace() errors.StackTrace
}
func TestFilesystem_PathResolutionError(t *testing.T) {
g := Goblin(t)
g.Describe("NewFilesystemError", func() {
g.It("includes a stack trace for the error", func() {
err := newFilesystemError(ErrCodeUnknownError, nil)
_, ok := err.(stackTracer)
g.Assert(ok).IsTrue()
})
g.It("properly wraps the underlying error cause", func() {
underlying := io.EOF
err := newFilesystemError(ErrCodeUnknownError, underlying)
_, ok := err.(stackTracer)
g.Assert(ok).IsTrue()
_, ok = err.(*Error)
g.Assert(ok).IsFalse()
fserr, ok := errors.Unwrap(err).(*Error)
g.Assert(ok).IsTrue()
g.Assert(fserr.Unwrap()).IsNotNil()
g.Assert(fserr.Unwrap()).Equal(underlying)
})
})
g.Describe("NewBadPathResolutionError", func() {
g.It("is can detect itself as an error correctly", func() {
err := NewBadPathResolution("foo", "bar")
g.Assert(IsErrorCode(err, ErrCodePathResolution)).IsTrue()
g.Assert(err.Error()).Equal("filesystem: server path [foo] resolves to a location outside the server root: bar")
g.Assert(IsErrorCode(&Error{code: ErrCodeIsDirectory}, ErrCodePathResolution)).IsFalse()
})
g.It("returns <empty> if no destination path is provided", func() {
err := NewBadPathResolution("foo", "")
g.Assert(err).IsNotNil()
g.Assert(err.Error()).Equal("filesystem: server path [foo] resolves to a location outside the server root: <empty>")
})
})
}