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package awsutil_test
import (
"strings"
"testing"
"github.com/aws/aws-sdk-go/aws/awsutil"
)
type Struct struct {
A []Struct
z []Struct
B *Struct
D *Struct
C string
E map[string]string
}
var data = Struct{
A: []Struct{{C: "value1"}, {C: "value2"}, {C: "value3"}},
z: []Struct{{C: "value1"}, {C: "value2"}, {C: "value3"}},
B: &Struct{B: &Struct{C: "terminal"}, D: &Struct{C: "terminal2"}},
C: "initial",
}
var data2 = Struct{A: []Struct{
{A: []Struct{{C: "1"}, {C: "1"}, {C: "1"}, {C: "1"}, {C: "1"}}},
{A: []Struct{{C: "2"}, {C: "2"}, {C: "2"}, {C: "2"}, {C: "2"}}},
}}
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)
if err != nil {
t.Errorf("case %v, expected no error, %v", i, c.path)
}
if e, a := c.expect, v; !awsutil.DeepEqual(e, a) {
t.Errorf("case %v, %v", i, c.path)
}
}
}
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 != "" {
if !strings.Contains(err.Error(), c.errContains) {
t.Errorf("case %v, expected error, %v", i, c.path)
}
continue
} else {
if err != nil {
t.Errorf("case %v, expected no error, %v", i, c.path)
}
}
if e, a := c.expect, v; !awsutil.DeepEqual(e, a) {
t.Errorf("case %v, %v", i, c.path)
}
}
}
func TestSetValueAtPathSuccess(t *testing.T) {
var s Struct
awsutil.SetValueAtPath(&s, "C", "test1")
awsutil.SetValueAtPath(&s, "B.B.C", "test2")
awsutil.SetValueAtPath(&s, "B.D.C", "test3")
if e, a := "test1", s.C; e != a {
t.Errorf("expected %v, but received %v", e, a)
}
if e, a := "test2", s.B.B.C; e != a {
t.Errorf("expected %v, but received %v", e, a)
}
if e, a := "test3", s.B.D.C; e != a {
t.Errorf("expected %v, but received %v", e, a)
}
awsutil.SetValueAtPath(&s, "B.*.C", "test0")
if e, a := "test0", s.B.B.C; e != a {
t.Errorf("expected %v, but received %v", e, a)
}
if e, a := "test0", s.B.D.C; e != a {
t.Errorf("expected %v, but received %v", e, a)
}
var s2 Struct
awsutil.SetValueAtPath(&s2, "b.b.c", "test0")
if e, a := "test0", s2.B.B.C; e != a {
t.Errorf("expected %v, but received %v", e, a)
}
awsutil.SetValueAtPath(&s2, "A", []Struct{{}})
if e, a := []Struct{{}}, s2.A; !awsutil.DeepEqual(e, a) {
t.Errorf("expected %v, but received %v", e, a)
}
str := "foo"
s3 := Struct{}
awsutil.SetValueAtPath(&s3, "b.b.c", str)
if e, a := "foo", s3.B.B.C; e != a {
t.Errorf("expected %v, but received %v", e, a)
}
s3 = Struct{B: &Struct{B: &Struct{C: str}}}
awsutil.SetValueAtPath(&s3, "b.b.c", nil)
if e, a := "", s3.B.B.C; e != a {
t.Errorf("expected %v, but received %v", e, a)
}
s3 = Struct{}
awsutil.SetValueAtPath(&s3, "b.b.c", nil)
if e, a := "", s3.B.B.C; e != a {
t.Errorf("expected %v, but received %v", e, a)
}
s3 = Struct{}
awsutil.SetValueAtPath(&s3, "b.b.c", &str)
if e, a := "foo", s3.B.B.C; e != a {
t.Errorf("expected %v, but received %v", e, a)
}
var s4 struct{ Name *string }
awsutil.SetValueAtPath(&s4, "Name", str)
if e, a := str, *s4.Name; e != a {
t.Errorf("expected %v, but received %v", e, a)
}
s4 = struct{ Name *string }{}
awsutil.SetValueAtPath(&s4, "Name", nil)
if e, a := (*string)(nil), s4.Name; e != a {
t.Errorf("expected %v, but received %v", e, a)
}
s4 = struct{ Name *string }{Name: &str}
awsutil.SetValueAtPath(&s4, "Name", nil)
if e, a := (*string)(nil), s4.Name; e != a {
t.Errorf("expected %v, but received %v", e, a)
}
s4 = struct{ Name *string }{}
awsutil.SetValueAtPath(&s4, "Name", &str)
if e, a := str, *s4.Name; e != a {
t.Errorf("expected %v, but received %v", e, a)
}
}
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