package schema import ( "reflect" "testing" "github.com/hashicorp/terraform/terraform" ) func TestDiffFieldReader_impl(t *testing.T) { var _ FieldReader = new(DiffFieldReader) } // https://github.com/hashicorp/terraform/issues/914 func TestDiffFieldReader_MapHandling(t *testing.T) { schema := map[string]*Schema{ "tags": &Schema{ Type: TypeMap, }, } r := &DiffFieldReader{ Schema: schema, Diff: &terraform.InstanceDiff{ Attributes: map[string]*terraform.ResourceAttrDiff{ "tags.#": &terraform.ResourceAttrDiff{ Old: "1", New: "2", }, "tags.baz": &terraform.ResourceAttrDiff{ Old: "", New: "qux", }, }, }, Source: &MapFieldReader{ Schema: schema, Map: BasicMapReader(map[string]string{ "tags.#": "1", "tags.foo": "bar", }), }, } result, err := r.ReadField([]string{"tags"}) if err != nil { t.Fatalf("ReadField failed: %#v", err) } expected := map[string]interface{}{ "foo": "bar", "baz": "qux", } if !reflect.DeepEqual(expected, result.Value) { t.Fatalf("bad: DiffHandling\n\nexpected: %#v\n\ngot: %#v\n\n", expected, result.Value) } } func TestDiffFieldReader_extra(t *testing.T) { schema := map[string]*Schema{ "stringComputed": &Schema{Type: TypeString}, "listMap": &Schema{ Type: TypeList, Elem: &Schema{ Type: TypeMap, }, }, "mapRemove": &Schema{Type: TypeMap}, "setChange": &Schema{ Type: TypeSet, Optional: true, Elem: &Resource{ Schema: map[string]*Schema{ "index": &Schema{ Type: TypeInt, Required: true, }, "value": &Schema{ Type: TypeString, Required: true, }, }, }, Set: func(a interface{}) int { m := a.(map[string]interface{}) return m["index"].(int) }, }, } r := &DiffFieldReader{ Schema: schema, Diff: &terraform.InstanceDiff{ Attributes: map[string]*terraform.ResourceAttrDiff{ "stringComputed": &terraform.ResourceAttrDiff{ Old: "foo", New: "bar", NewComputed: true, }, "listMap.0.bar": &terraform.ResourceAttrDiff{ NewRemoved: true, }, "mapRemove.bar": &terraform.ResourceAttrDiff{ NewRemoved: true, }, "setChange.10.value": &terraform.ResourceAttrDiff{ Old: "50", New: "80", }, }, }, Source: &MapFieldReader{ Schema: schema, Map: BasicMapReader(map[string]string{ "listMap.#": "2", "listMap.0.foo": "bar", "listMap.0.bar": "baz", "listMap.1.baz": "baz", "mapRemove.foo": "bar", "mapRemove.bar": "bar", "setChange.#": "1", "setChange.10.index": "10", "setChange.10.value": "50", }), }, } cases := map[string]struct { Addr []string Result FieldReadResult Err bool }{ "stringComputed": { []string{"stringComputed"}, FieldReadResult{ Value: "", Exists: true, Computed: true, }, false, }, "listMapRemoval": { []string{"listMap"}, FieldReadResult{ Value: []interface{}{ map[string]interface{}{ "foo": "bar", }, map[string]interface{}{ "baz": "baz", }, }, Exists: true, }, false, }, "mapRemove": { []string{"mapRemove"}, FieldReadResult{ Value: map[string]interface{}{ "foo": "bar", }, Exists: true, Computed: false, }, false, }, "setChange": { []string{"setChange"}, FieldReadResult{ Value: []interface{}{ map[string]interface{}{ "index": 10, "value": "80", }, }, Exists: true, }, false, }, } for name, tc := range cases { out, err := r.ReadField(tc.Addr) if (err != nil) != tc.Err { t.Fatalf("%s: err: %s", name, err) } if s, ok := out.Value.(*Set); ok { // If it is a set, convert to a list so its more easily checked. out.Value = s.List() } if !reflect.DeepEqual(tc.Result, out) { t.Fatalf("%s: bad: %#v", name, out) } } } func TestDiffFieldReader(t *testing.T) { testFieldReader(t, func(s map[string]*Schema) FieldReader { return &DiffFieldReader{ Schema: s, Diff: &terraform.InstanceDiff{ Attributes: map[string]*terraform.ResourceAttrDiff{ "bool": &terraform.ResourceAttrDiff{ Old: "", New: "true", }, "int": &terraform.ResourceAttrDiff{ Old: "", New: "42", }, "float": &terraform.ResourceAttrDiff{ Old: "", New: "3.1415", }, "string": &terraform.ResourceAttrDiff{ Old: "", New: "string", }, "stringComputed": &terraform.ResourceAttrDiff{ Old: "foo", New: "bar", NewComputed: true, }, "list.#": &terraform.ResourceAttrDiff{ Old: "0", New: "2", }, "list.0": &terraform.ResourceAttrDiff{ Old: "", New: "foo", }, "list.1": &terraform.ResourceAttrDiff{ Old: "", New: "bar", }, "listInt.#": &terraform.ResourceAttrDiff{ Old: "0", New: "2", }, "listInt.0": &terraform.ResourceAttrDiff{ Old: "", New: "21", }, "listInt.1": &terraform.ResourceAttrDiff{ Old: "", New: "42", }, "map.foo": &terraform.ResourceAttrDiff{ Old: "", New: "bar", }, "map.bar": &terraform.ResourceAttrDiff{ Old: "", New: "baz", }, "set.#": &terraform.ResourceAttrDiff{ Old: "0", New: "2", }, "set.10": &terraform.ResourceAttrDiff{ Old: "", New: "10", }, "set.50": &terraform.ResourceAttrDiff{ Old: "", New: "50", }, "setDeep.#": &terraform.ResourceAttrDiff{ Old: "0", New: "2", }, "setDeep.10.index": &terraform.ResourceAttrDiff{ Old: "", New: "10", }, "setDeep.10.value": &terraform.ResourceAttrDiff{ Old: "", New: "foo", }, "setDeep.50.index": &terraform.ResourceAttrDiff{ Old: "", New: "50", }, "setDeep.50.value": &terraform.ResourceAttrDiff{ Old: "", New: "bar", }, }, }, Source: &MapFieldReader{ Schema: s, Map: BasicMapReader(map[string]string{ "listMap.#": "2", "listMap.0.foo": "bar", "listMap.0.bar": "baz", "listMap.1.baz": "baz", }), }, } }) }