databricks-cli/libs/dyn/visit_test.go

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package dyn_test
import (
"testing"
"github.com/databricks/cli/libs/dyn"
assert "github.com/databricks/cli/libs/dyn/dynassert"
)
func TestVisitCallbackPathCopy(t *testing.T) {
vin := dyn.V(map[string]dyn.Value{
"foo": dyn.V(42),
"bar": dyn.V(43),
})
var paths []dyn.Path
// The callback should receive a copy of the path.
// If the same underlying value is used, all collected paths will be the same.
// This test uses `MapByPattern` to collect all paths in the map.
// Visit itself doesn't have public functions and we exclusively use black-box testing for this package.
_, _ = dyn.MapByPattern(vin, dyn.NewPattern(dyn.AnyKey()), func(p dyn.Path, v dyn.Value) (dyn.Value, error) {
paths = append(paths, p)
return v, nil
})
// Verify that the paths retained their original values.
var strings []string
for _, p := range paths {
strings = append(strings, p.String())
}
assert.ElementsMatch(t, strings, []string{
"foo",
"bar",
})
}