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// Copyright 2020 New Relic Corporation. All rights reserved.
// SPDX-License-Identifier: Apache-2.0
package cat
import (
"encoding/json"
"testing"
)
func TestSyntheticsUnmarshalInvalid(t *testing.T) {
// Test error cases where we get a generic error from the JSON package.
for _, input := range []string{
// Basic malformed JSON test: beyond this, we're not going to unit test the
// Go standard library's JSON package.
``,
} {
synthetics := &SyntheticsHeader{}
if err := json.Unmarshal([]byte(input), synthetics); err == nil {
t.Errorf("given %s: error expected to be non-nil; got nil", input)
}
}
// Test error cases where the incorrect number of elements was provided.
for _, input := range []string{
`[]`,
`[1,2,3,4]`,
} {
synthetics := &SyntheticsHeader{}
err := json.Unmarshal([]byte(input), synthetics)
if _, ok := err.(errUnexpectedArraySize); !ok {
t.Errorf("given %s: error expected to be errUnexpectedArraySize; got %v", input, err)
}
}
// Test error cases with invalid version numbers.
for _, input := range []string{
`[0,1234,"resource","job","monitor"]`,
`[2,1234,"resource","job","monitor"]`,
} {
synthetics := &SyntheticsHeader{}
err := json.Unmarshal([]byte(input), synthetics)
if _, ok := err.(errUnexpectedSyntheticsVersion); !ok {
t.Errorf("given %s: error expected to be errUnexpectedSyntheticsVersion; got %v", input, err)
}
}
// Test error cases where a specific variable is returned.
for _, tc := range []struct {
input string
err error
}{
// Unexpected JSON types.
{`false`, errInvalidSyntheticsJSON},
{`true`, errInvalidSyntheticsJSON},
{`1234`, errInvalidSyntheticsJSON},
{`{}`, errInvalidSyntheticsJSON},
{`""`, errInvalidSyntheticsJSON},
// Invalid data types for each field in turn.
{`["version",1234,"resource","job","monitor"]`, errInvalidSyntheticsVersion},
{`[1,"account","resource","job","monitor"]`, errInvalidSyntheticsAccountID},
{`[1,1234,0,"job","monitor"]`, errInvalidSyntheticsResourceID},
{`[1,1234,"resource",-1,"monitor"]`, errInvalidSyntheticsJobID},
{`[1,1234,"resource","job",false]`, errInvalidSyntheticsMonitorID},
} {
synthetics := &SyntheticsHeader{}
if err := json.Unmarshal([]byte(tc.input), synthetics); err != tc.err {
t.Errorf("given %s: error expected to be %v; got %v", tc.input, tc.err, err)
}
}
}
func TestSyntheticsUnmarshalValid(t *testing.T) {
for _, test := range []struct {
json string
synthetics SyntheticsHeader
}{
{
json: `[1,1234,"resource","job","monitor"]`,
synthetics: SyntheticsHeader{
Version: 1,
AccountID: 1234,
ResourceID: "resource",
JobID: "job",
MonitorID: "monitor",
},
},
} {
// Test unmarshalling.
synthetics := &SyntheticsHeader{}
if err := json.Unmarshal([]byte(test.json), synthetics); err != nil {
t.Errorf("given %s: error expected to be nil; got %v", test.json, err)
}
if test.synthetics.Version != synthetics.Version {
t.Errorf("given %s: Version expected to be %d; got %d", test.json, test.synthetics.Version, synthetics.Version)
}
if test.synthetics.AccountID != synthetics.AccountID {
t.Errorf("given %s: AccountID expected to be %d; got %d", test.json, test.synthetics.AccountID, synthetics.AccountID)
}
if test.synthetics.ResourceID != synthetics.ResourceID {
t.Errorf("given %s: ResourceID expected to be %s; got %s", test.json, test.synthetics.ResourceID, synthetics.ResourceID)
}
if test.synthetics.JobID != synthetics.JobID {
t.Errorf("given %s: JobID expected to be %s; got %s", test.json, test.synthetics.JobID, synthetics.JobID)
}
if test.synthetics.MonitorID != synthetics.MonitorID {
t.Errorf("given %s: MonitorID expected to be %s; got %s", test.json, test.synthetics.MonitorID, synthetics.MonitorID)
}
}
}
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