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Handles keys that dont exit

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This commit is contained in:
Mike Farah 2015-10-03 17:06:33 +10:00
parent d1c545cca0
commit 690442d02e
2 changed files with 8 additions and 2 deletions
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2
data_navigator.go
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@ -30,6 +30,8 @@ func recurse(value interface{}, head string, tail []string) interface{} {
log.Fatalf("Error accessing array: %v", err) log.Fatalf("Error accessing array: %v", err)
} }
return readArray(value.([]interface{}), index, tail) return readArray(value.([]interface{}), index, tail)
case nil:
return nil
default: default:
return readMap(value.(map[interface{}]interface{}), head, tail) return readMap(value.(map[interface{}]interface{}), head, tail)
} }

8
data_navigator_test.go
View File

@ -31,11 +31,15 @@ func TestReadMap_simple(t *testing.T) {
assertResult(t, 2, readMap(parsedData, "b", []string{"c"})) assertResult(t, 2, readMap(parsedData, "b", []string{"c"}))
} }
func TestReadMap_array(t *testing.T) { func TestReadMap_key_doesnt_exist(t *testing.T) {
assertResult(t, nil, readMap(parsedData, "b.x.f", []string{"c"}))
}
func TestReadMap_with_array(t *testing.T) {
assertResult(t, 4, readMap(parsedData, "b", []string{"d", "1"})) assertResult(t, 4, readMap(parsedData, "b", []string{"d", "1"}))
} }
func TestReadMap_array_out_of_bounds(t *testing.T) { func TestReadMap_with_array_out_of_bounds(t *testing.T) {
assertResult(t, nil, readMap(parsedData, "b", []string{"d", "3"})) assertResult(t, nil, readMap(parsedData, "b", []string{"d", "3"}))
} }