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aws: Refactor pagination test based on v1 port #97

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merged 2 commits into from
Jan 19, 2018
Merged

aws: Refactor pagination test based on v1 port #97

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df379c0
aws: Refactor pagination test based on v1 port
jasdel Jan 15, 2018
2f6b501
fixup too many request assert
jasdel Jan 18, 2018
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205 changes: 73 additions & 132 deletions aws/request_pagination_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -513,152 +513,93 @@ func TestPaginationWithContextNilInput(t *testing.T) {

func TestPagination_Standalone(t *testing.T) {
type testPageInput struct {
NextToken string
NextToken *string
}
type testPageOutput struct {
Value string
Value *string
NextToken *string
}
type testCase struct {
Value, PrevToken, NextToken *string
}

expect := []struct {
Value, PrevToken, NextToken string
}{
{"FirstValue", "InitalToken", "FirstToken"},
{"SecondValue", "FirstToken", "SecondToken"},
{"ThirdValue", "SecondToken", ""},
}
input := testPageInput{
NextToken: expect[0].PrevToken,
}

c := awstesting.NewClient(unit.Config())
i := 0
p := aws.Pagination{
NewRequest: func() (*aws.Request, error) {
r := c.NewRequest(
&aws.Operation{
Name: "Operation",
Paginator: &aws.Paginator{
InputTokens: []string{"NextToken"},
OutputTokens: []string{"NextToken"},
},
},
&input, &testPageOutput{},
)
// Setup handlers for testing
r.Handlers.Clear()
r.Handlers.Build.PushBack(func(req *aws.Request) {
in := req.Params.(*testPageInput)
if e, a := expect[i].PrevToken, in.NextToken; e != a {
t.Errorf("%d, expect NextToken input %q, got %q", i, e, a)
}
})
r.Handlers.Unmarshal.PushBack(func(req *aws.Request) {
out := &testPageOutput{
Value: expect[i].Value,
}
if len(expect[i].NextToken) > 0 {
out.NextToken = aws.String(expect[i].NextToken)
}
req.Data = out
})
return r, nil
cases := map[string][]testCase{
"nil NextToken": {
testCase{aws.String("FirstValue"), aws.String("InitalToken"), aws.String("FirstToken")},
testCase{aws.String("SecondValue"), aws.String("FirstToken"), aws.String("SecondToken")},
testCase{aws.String("ThirdValue"), aws.String("SecondToken"), nil},
},
"zero NextToken": {
testCase{aws.String("FirstValue"), aws.String("InitalToken"), aws.String("FirstToken")},
testCase{aws.String("SecondValue"), aws.String("FirstToken"), aws.String("SecondToken")},
testCase{aws.String("ThirdValue"), aws.String("SecondToken"), aws.String("")},
},
}

for p.Next() {
data := p.Page().(*testPageOutput)
for cName, c := range cases {
t.Run(cName, func(t *testing.T) {
input := testPageInput{
NextToken: c[0].PrevToken,
}

if e, a := expect[i].Value, data.Value; e != a {
t.Errorf("%d, expect Value to be %q, got %q", i, e, a)
}
if e, a := expect[i].NextToken, aws.StringValue(data.NextToken); e != a {
t.Errorf("%d, expect NextToken to be %q, got %q", i, e, a)
}
svc := awstesting.NewClient(unit.Config())
i := 0
p := aws.Pagination{
NewRequest: func() (*aws.Request, error) {
r := svc.NewRequest(
&aws.Operation{
Name: "Operation",
Paginator: &aws.Paginator{
InputTokens: []string{"NextToken"},
OutputTokens: []string{"NextToken"},
},
},
&input, &testPageOutput{},
)
// Setup handlers for testing
r.Handlers.Clear()
r.Handlers.Build.PushBack(func(req *aws.Request) {
if e, a := len(c), i; a >= e {
t.Fatalf("expect no more than %d requests, got %d", e, a)
}
in := req.Params.(*testPageInput)
if e, a := aws.StringValue(c[i].PrevToken), aws.StringValue(in.NextToken); e != a {
t.Errorf("%d, expect NextToken input %q, got %q", i, e, a)
}
})
r.Handlers.Unmarshal.PushBack(func(req *aws.Request) {
out := &testPageOutput{
Value: c[i].Value,
}
if c[i].NextToken != nil {
next := *c[i].NextToken
out.NextToken = aws.String(next)
}
req.Data = out
})
return r, nil
},
}

i++
}
if e, a := len(expect), i; e != a {
t.Errorf("expected to process %d pages, did %d", e, a)
}
if err := p.Err(); err != nil {
t.Fatalf("%d, expected no error, got %v", i, err)
}
}
for p.Next() {
data := p.Page().(*testPageOutput)

func TestPagination_Standalone_Pointers(t *testing.T) {
type testPageInput struct {
NextToken *string
}
type testPageOutput struct {
Value *string
NextToken *string
}

expect := []struct {
Value, PrevToken, NextToken *string
}{
{aws.String("FirstValue"), aws.String("InitalToken"), aws.String("FirstToken")},
{aws.String("SecondValue"), aws.String("FirstToken"), aws.String("SecondToken")},
{aws.String("ThirdValue"), aws.String("SecondToken"), nil},
}
input := testPageInput{
NextToken: expect[0].PrevToken,
}

c := awstesting.NewClient(unit.Config())
i := 0
p := aws.Pagination{
NewRequest: func() (*aws.Request, error) {
r := c.NewRequest(
&aws.Operation{
Name: "Operation",
Paginator: &aws.Paginator{
InputTokens: []string{"NextToken"},
OutputTokens: []string{"NextToken"},
},
},
&input, &testPageOutput{},
)
// Setup handlers for testing
r.Handlers.Clear()
r.Handlers.Build.PushBack(func(req *aws.Request) {
in := req.Params.(*testPageInput)
if e, a := aws.StringValue(expect[i].PrevToken), aws.StringValue(in.NextToken); e != a {
t.Errorf("%d, expect NextToken input %q, got %q", i, e, a)
}
})
r.Handlers.Unmarshal.PushBack(func(req *aws.Request) {
out := &testPageOutput{
Value: expect[i].Value,
if e, a := aws.StringValue(c[i].Value), aws.StringValue(data.Value); e != a {
t.Errorf("%d, expect Value to be %q, got %q", i, e, a)
}
if expect[i].NextToken != nil {
next := *expect[i].NextToken
out.NextToken = aws.String(next)
if e, a := aws.StringValue(c[i].NextToken), aws.StringValue(data.NextToken); e != a {
t.Errorf("%d, expect NextToken to be %q, got %q", i, e, a)
}
req.Data = out
})
return r, nil
},
}

for p.Next() {
data := p.Page().(*testPageOutput)

if e, a := expect[i].Value, data.Value; e != a {
t.Errorf("%d, expect Value to be %q, got %q", i, e, a)
}
if e, a := aws.StringValue(expect[i].NextToken), aws.StringValue(data.NextToken); e != a {
t.Errorf("%d, expect NextToken to be %q, got %q", i, e, a)
}

i++
}
if e, a := len(expect), i; e != a {
t.Errorf("expected to process %d pages, did %d", e, a)
}
if err := p.Err(); err != nil {
t.Fatalf("%d, expected no error, got %v", i, err)
i++
}
if e, a := len(c), i; e != a {
t.Errorf("expected to process %d pages, did %d", e, a)
}
if err := p.Err(); err != nil {
t.Fatalf("%d, expected no error, got %v", i, err)
}
})
}
}

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