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package expression
import (
"strings"
"testing"
"github.com/aws/aws-sdk-go-v2/feature/dynamodb/attributevalue"
"github.com/aws/aws-sdk-go-v2/service/dynamodb/types"
"github.com/google/go-cmp/cmp"
"github.com/google/go-cmp/cmp/cmpopts"
)
// opeErrorMode will help with error cases and checking error types
type opeErrorMode string
const (
noOperandError opeErrorMode = ""
// unsetName error will occur if an empty string is passed into NameBuilder
unsetName = "unset parameter: NameBuilder"
// invalidName error will occur if a nested name has an empty intermediary
// attribute name (i.e. foo.bar..baz)
invalidName = "invalid parameter: NameBuilder"
// unsetKey error will occur if an empty string is passed into KeyBuilder
unsetKey = "unset parameter: KeyBuilder"
)
func TestBuildOperand(t *testing.T) {
type mockStructValue struct {
A string `dynamodbav:"ddbA" tagb:"TagB"`
B string
}
cases := []struct {
name string
input OperandBuilder
expected exprNode
err opeErrorMode
}{
{
name: "basic name",
input: Name("foo"),
expected: exprNode{
names: []string{"foo"},
fmtExpr: "$n",
},
},
{
name: "duplicate name name",
input: Name("foo.foo"),
expected: exprNode{
names: []string{"foo", "foo"},
fmtExpr: "$n.$n",
},
},
{
name: "struct value",
input: ValueWithOptions(mockStructValue{A: "abc123", B: "efg456"}),
expected: exprNode{
values: []types.AttributeValue{
&types.AttributeValueMemberM{Value: map[string]types.AttributeValue{
"ddbA": &types.AttributeValueMemberS{Value: "abc123"},
"B": &types.AttributeValueMemberS{Value: "efg456"},
}},
},
fmtExpr: "$v",
},
},
{
name: "struct value with TagKey",
input: ValueWithOptions(mockStructValue{A: "abc123", B: "efg456"},
func(o *ValueBuilderOptions) {
o.EncoderOptions = append(o.EncoderOptions, func(o *attributevalue.EncoderOptions) {
o.TagKey = "tagb"
})
}),
expected: exprNode{
values: []types.AttributeValue{
&types.AttributeValueMemberM{Value: map[string]types.AttributeValue{
"TagB": &types.AttributeValueMemberS{Value: "abc123"},
"B": &types.AttributeValueMemberS{Value: "efg456"},
}},
},
fmtExpr: "$v",
},
},
{
name: "basic value",
input: Value(5),
expected: exprNode{
values: []types.AttributeValue{
&types.AttributeValueMemberN{Value: "5"},
},
fmtExpr: "$v",
},
},
{
name: "types.AttributeValue as pointer",
input: Value(&types.AttributeValueMemberN{Value: "5"}),
expected: exprNode{
values: []types.AttributeValue{
&types.AttributeValueMemberN{Value: "5"},
},
fmtExpr: "$v",
},
},
{
name: "types.AttributeValueMemberS as value",
input: Value(types.AttributeValueMemberS{Value: "5"}),
expected: exprNode{
values: []types.AttributeValue{
&types.AttributeValueMemberS{Value: "5"},
},
fmtExpr: "$v",
},
},
{
name: "types.AttributeValueMemberN as value",
input: Value(types.AttributeValueMemberN{Value: "5"}),
expected: exprNode{
values: []types.AttributeValue{
&types.AttributeValueMemberN{Value: "5"},
},
fmtExpr: "$v",
},
},
{
name: "types.AttributeValueMemberB as value",
input: Value(types.AttributeValueMemberB{Value: []byte{5}}),
expected: exprNode{
values: []types.AttributeValue{
&types.AttributeValueMemberB{Value: []byte{5}},
},
fmtExpr: "$v",
},
},
{
name: "types.AttributeValueMemberSS as value",
input: Value(types.AttributeValueMemberSS{Value: []string{"5", "6"}}),
expected: exprNode{
values: []types.AttributeValue{
&types.AttributeValueMemberSS{Value: []string{"5", "6"}},
},
fmtExpr: "$v",
},
},
{
name: "types.AttributeValueMemberNS as value",
input: Value(types.AttributeValueMemberNS{Value: []string{"5", "6"}}),
expected: exprNode{
values: []types.AttributeValue{
&types.AttributeValueMemberNS{Value: []string{"5", "6"}},
},
fmtExpr: "$v",
},
},
{
name: "types.AttributeValueMemberBS as value",
input: Value(types.AttributeValueMemberBS{Value: [][]byte{{5}, {6}}}),
expected: exprNode{
values: []types.AttributeValue{
&types.AttributeValueMemberBS{Value: [][]byte{{5}, {6}}},
},
fmtExpr: "$v",
},
},
{
name: "types.AttributeValueMemberM as value",
input: Value(types.AttributeValueMemberM{Value: map[string]types.AttributeValue{
"bar": &types.AttributeValueMemberS{Value: "baz"},
}}),
expected: exprNode{
values: []types.AttributeValue{
&types.AttributeValueMemberM{Value: map[string]types.AttributeValue{
"bar": &types.AttributeValueMemberS{Value: "baz"},
}},
},
fmtExpr: "$v",
},
},
{
name: "types.AttributeValueMemberL as value",
input: Value(types.AttributeValueMemberL{Value: []types.AttributeValue{
&types.AttributeValueMemberS{Value: "5"},
}}),
expected: exprNode{
values: []types.AttributeValue{
&types.AttributeValueMemberL{Value: []types.AttributeValue{
&types.AttributeValueMemberS{Value: "5"},
}},
},
fmtExpr: "$v",
},
},
{
name: "types.AttributeValueMemberNULL as value",
input: Value(types.AttributeValueMemberNULL{Value: true}),
expected: exprNode{
values: []types.AttributeValue{
&types.AttributeValueMemberNULL{Value: true},
},
fmtExpr: "$v",
},
},
{
name: "types.AttributeValueMemberBOOL as value",
input: Value(types.AttributeValueMemberBOOL{Value: true}),
expected: exprNode{
values: []types.AttributeValue{
&types.AttributeValueMemberBOOL{Value: true},
},
fmtExpr: "$v",
},
},
{
name: "nested name",
input: Name("foo.bar"),
expected: exprNode{
names: []string{"foo", "bar"},
fmtExpr: "$n.$n",
},
},
{
name: "no split name",
input: NameNoDotSplit("foo.bar"),
expected: exprNode{
names: []string{"foo.bar"},
fmtExpr: "$n",
},
},
{
name: "nested name with index",
input: Name("foo.bar[0].baz"),
expected: exprNode{
names: []string{"foo", "bar", "baz"},
fmtExpr: "$n.$n[0].$n",
},
},
{
name: "no split name with index",
input: NameNoDotSplit("foo.bar[0]"),
expected: exprNode{
names: []string{"foo.bar"},
fmtExpr: "$n[0]",
},
},
{
name: "no split name append name",
input: NameNoDotSplit("foo.bar").AppendName(Name("foo.bar")),
expected: exprNode{
names: []string{"foo.bar", "foo", "bar"},
fmtExpr: "$n.$n.$n",
},
},
{
name: "no split name append name with list index",
input: NameNoDotSplit("foo.bar").
AppendName(Name("foo.bar")).
AppendName(Name("[0]")).
AppendName(Name("abc123")),
expected: exprNode{
names: []string{"foo.bar", "foo", "bar", "abc123"},
fmtExpr: "$n.$n.$n[0].$n",
},
},
{
name: "basic size",
input: Name("foo").Size(),
expected: exprNode{
names: []string{"foo"},
fmtExpr: "size ($n)",
},
},
{
name: "key",
input: Key("foo"),
expected: exprNode{
names: []string{"foo"},
fmtExpr: "$n",
},
},
{
name: "unset key error",
input: Key(""),
expected: exprNode{},
err: unsetKey,
},
{
name: "empty name error",
input: Name(""),
expected: exprNode{},
err: unsetName,
},
{
name: "invalid name",
input: Name("foo..bar"),
expected: exprNode{},
err: invalidName,
},
{
name: "invalid index",
input: Name("[foo]"),
expected: exprNode{},
err: invalidName,
},
}
for _, c := range cases {
t.Run(c.name, func(t *testing.T) {
operand, err := c.input.BuildOperand()
if c.err != noOperandError {
if err == nil {
t.Errorf("expect error %q, got no error", c.err)
} else if e, a := string(c.err), err.Error(); !strings.Contains(a, e) {
t.Errorf("expect %q error message to be in %q", e, a)
}
return
}
if err != nil {
t.Fatalf("expect no error, got unexpected Error %q", err)
}
cmpOptions := cmp.Options{
cmp.AllowUnexported(exprNode{}),
cmpopts.IgnoreUnexported(types.AttributeValueMemberM{}),
cmpopts.IgnoreUnexported(types.AttributeValueMemberN{}),
cmpopts.IgnoreUnexported(types.AttributeValueMemberNS{}),
cmpopts.IgnoreUnexported(types.AttributeValueMemberBOOL{}),
cmpopts.IgnoreUnexported(types.AttributeValueMemberB{}),
cmpopts.IgnoreUnexported(types.AttributeValueMemberBS{}),
cmpopts.IgnoreUnexported(types.AttributeValueMemberL{}),
cmpopts.IgnoreUnexported(types.AttributeValueMemberS{}),
cmpopts.IgnoreUnexported(types.AttributeValueMemberSS{}),
cmpopts.IgnoreUnexported(types.AttributeValueMemberNULL{}),
}
if diff := cmp.Diff(c.expected, operand.exprNode, cmpOptions...); diff != "" {
t.Errorf("expect operand match\n%s", diff)
}
})
}
}
|
