func TestValueAtPathFailure(t *testing.T) {
var testCases = []struct {
expect []interface{}
errContains string
data interface{}
path string
}{
{nil, "", data, "C.x"},
{nil, "SyntaxError: Invalid token: tDot", data, ".x"},
{nil, "", data, "X.Y.Z"},
{nil, "", data, "A[100].C"},
{nil, "", data, "A[3].C"},
{nil, "", data, "B.B.C.Z"},
{nil, "", data, "z[-1].C"},
{nil, "", nil, "A.B.C"},
{[]interface{}{}, "", Struct{}, "A"},
{nil, "", data, "A[0].B.C"},
{nil, "", data, "D"},
}
for i, c := range testCases {
v, err := awsutil.ValuesAtPath(c.data, c.path)
if c.errContains != "" {
assert.Contains(t, err.Error(), c.errContains, "case %d, expected error, %s", i, c.path)
continue
} else {
assert.NoError(t, err, "case %d, expected no error, %s", i, c.path)
}
assert.Equal(t, c.expect, v, "case %d, %s", i, c.path)
}
}
func TestValueAtPathSuccess(t *testing.T) {
var testCases = []struct {
expect []interface{}
data interface{}
path string
}{
{[]interface{}{"initial"}, data, "C"},
{[]interface{}{"value1"}, data, "A[0].C"},
{[]interface{}{"value2"}, data, "A[1].C"},
{[]interface{}{"value3"}, data, "A[2].C"},
{[]interface{}{"value3"}, data, "a[2].c"},
{[]interface{}{"value3"}, data, "A[-1].C"},
{[]interface{}{"value1", "value2", "value3"}, data, "A[].C"},
{[]interface{}{"terminal"}, data, "B . B . C"},
{[]interface{}{"initial"}, data, "A.D.X || C"},
{[]interface{}{"initial"}, data, "A[0].B || C"},
{[]interface{}{
Struct{A: []Struct{{C: "1"}, {C: "1"}, {C: "1"}, {C: "1"}, {C: "1"}}},
Struct{A: []Struct{{C: "2"}, {C: "2"}, {C: "2"}, {C: "2"}, {C: "2"}}},
}, data2, "A"},
}
for i, c := range testCases {
v, err := awsutil.ValuesAtPath(c.data, c.path)
assert.NoError(t, err, "case %d, expected no error, %s", i, c.path)
assert.Equal(t, c.expect, v, "case %d, %s", i, c.path)
}
}
// nextPageTokens returns the tokens to use when asking for the next page of
// data.
func (r *Request) nextPageTokens() []interface{} {
if r.Operation.Paginator == nil {
return nil
}
if r.Operation.TruncationToken != "" {
tr, _ := awsutil.ValuesAtPath(r.Data, r.Operation.TruncationToken)
if len(tr) == 0 {
return nil
}
switch v := tr[0].(type) {
case *bool:
if !aws.BoolValue(v) {
return nil
}
case bool:
if v == false {
return nil
}
}
}
tokens := []interface{}{}
tokenAdded := false
for _, outToken := range r.Operation.OutputTokens {
v, _ := awsutil.ValuesAtPath(r.Data, outToken)
if len(v) > 0 {
tokens = append(tokens, v[0])
tokenAdded = true
} else {
tokens = append(tokens, nil)
}
}
if !tokenAdded {
return nil
}
return tokens
}