645 lines
19 KiB
Go
645 lines
19 KiB
Go
package httpjson
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import (
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"fmt"
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"io/ioutil"
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"net/http"
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"net/http/httptest"
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"strings"
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"testing"
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"github.com/influxdata/telegraf/testutil"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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const validJSON = `
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{
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"parent": {
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"child": 3.0,
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"ignored_child": "hi"
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},
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"ignored_null": null,
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"integer": 4,
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"list": [3, 4],
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"ignored_parent": {
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"another_ignored_null": null,
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"ignored_string": "hello, world!"
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},
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"another_list": [4]
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}`
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const validJSON2 = `{
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"user":{
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"hash_rate":0,
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"expected_24h_rewards":0,
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"total_rewards":0.000595109232,
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"paid_rewards":0,
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"unpaid_rewards":0.000595109232,
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"past_24h_rewards":0,
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"total_work":"5172625408",
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"blocks_found":0
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},
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"workers":{
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"brminer.1":{
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"hash_rate":0,
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"hash_rate_24h":0,
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"valid_shares":"6176",
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"stale_shares":"0",
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"invalid_shares":"0",
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"rewards":4.5506464e-5,
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"rewards_24h":0,
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"reset_time":1455409950
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},
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"brminer.2":{
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"hash_rate":0,
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"hash_rate_24h":0,
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"valid_shares":"0",
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"stale_shares":"0",
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"invalid_shares":"0",
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"rewards":0,
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"rewards_24h":0,
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"reset_time":1455936726
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},
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"brminer.3":{
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"hash_rate":0,
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"hash_rate_24h":0,
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"valid_shares":"0",
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"stale_shares":"0",
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"invalid_shares":"0",
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"rewards":0,
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"rewards_24h":0,
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"reset_time":1455936733
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}
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},
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"pool":{
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"hash_rate":114100000,
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"active_users":843,
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"total_work":"5015346808842682368",
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"pps_ratio":1.04,
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"pps_rate":7.655e-9
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},
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"network":{
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"hash_rate":1426117703,
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"block_number":944895,
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"time_per_block":156,
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"difficulty":51825.72835216,
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"next_difficulty":51916.15249019,
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"retarget_time":95053
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},
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"market":{
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"ltc_btc":0.00798,
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"ltc_usd":3.37801,
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"ltc_eur":3.113,
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"ltc_gbp":2.32807,
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"ltc_rub":241.796,
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"ltc_cny":21.3883,
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"btc_usd":422.852
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}
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}`
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const validJSONTags = `
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{
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"value": 15,
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"role": "master",
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"build": "123"
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}`
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var expectedFields = map[string]interface{}{
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"parent_child": float64(3),
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"list_0": float64(3),
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"list_1": float64(4),
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"another_list_0": float64(4),
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"integer": float64(4),
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}
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const invalidJSON = "I don't think this is JSON"
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const empty = ""
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type mockHTTPClient struct {
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responseBody string
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statusCode int
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}
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// Mock implementation of MakeRequest. Usually returns an http.Response with
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// hard-coded responseBody and statusCode. However, if the request uses a
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// nonstandard method, it uses status code 405 (method not allowed)
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func (c *mockHTTPClient) MakeRequest(req *http.Request) (*http.Response, error) {
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resp := http.Response{}
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resp.StatusCode = c.statusCode
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// basic error checking on request method
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allowedMethods := []string{"GET", "HEAD", "POST", "PUT", "DELETE", "TRACE", "CONNECT"}
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methodValid := false
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for _, method := range allowedMethods {
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if req.Method == method {
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methodValid = true
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break
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}
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}
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if !methodValid {
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resp.StatusCode = 405 // Method not allowed
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}
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resp.Body = ioutil.NopCloser(strings.NewReader(c.responseBody))
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return &resp, nil
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}
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func (c *mockHTTPClient) SetHTTPClient(_ *http.Client) {
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}
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func (c *mockHTTPClient) HTTPClient() *http.Client {
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return nil
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}
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// Generates a pointer to an HttpJson object that uses a mock HTTP client.
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// Parameters:
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// response : Body of the response that the mock HTTP client should return
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// statusCode: HTTP status code the mock HTTP client should return
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//
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// Returns:
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// *HttpJson: Pointer to an HttpJson object that uses the generated mock HTTP client
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func genMockHttpJson(response string, statusCode int) []*HttpJson {
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return []*HttpJson{
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&HttpJson{
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client: &mockHTTPClient{responseBody: response, statusCode: statusCode},
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Servers: []string{
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"http://server1.example.com/metrics/",
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"http://server2.example.com/metrics/",
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},
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Name: "my_webapp",
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Method: "GET",
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Parameters: map[string]string{
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"httpParam1": "12",
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"httpParam2": "the second parameter",
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},
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Headers: map[string]string{
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"X-Auth-Token": "the-first-parameter",
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"apiVersion": "v1",
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},
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},
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&HttpJson{
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client: &mockHTTPClient{responseBody: response, statusCode: statusCode},
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Servers: []string{
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"http://server3.example.com/metrics/",
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"http://server4.example.com/metrics/",
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},
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Name: "other_webapp",
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Method: "POST",
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Parameters: map[string]string{
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"httpParam1": "12",
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"httpParam2": "the second parameter",
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},
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Headers: map[string]string{
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"X-Auth-Token": "the-first-parameter",
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"apiVersion": "v1",
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},
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TagKeys: []string{
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"role",
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"build",
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},
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},
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&HttpJson{
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client: &mockHTTPClient{responseBody: response, statusCode: statusCode},
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Servers: []string{
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"http://server5.example.com/metrics/",
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"http://server6.example.com/metrics/",
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},
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Name: "other_other_webapp",
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Method: "POST",
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Parameters: map[string]string{
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"httpParam1": "12",
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"httpParam2": "the second parameter",
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},
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Headers: map[string]string{
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"X-Auth-Token": "the-first-parameter",
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"apiVersion": "v1",
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},
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TagKeys: []string{
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"service",
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"tagA",
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"tagB",
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"tagC",
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},
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JSONPaths: []string{
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"metrics.myMetricsArr",
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"metrics.myMetricsObj",
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},
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},
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}
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}
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// Test that the proper values are ignored or collected
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func TestHttpJson200(t *testing.T) {
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httpjson := genMockHttpJson(validJSON, 200)
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for _, service := range httpjson {
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var acc testutil.Accumulator
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err := service.Gather(&acc)
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require.NoError(t, err)
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assert.Equal(t, 12, acc.NFields())
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// Set responsetime
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for _, p := range acc.Metrics {
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p.Fields["response_time"] = 1.0
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}
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for _, srv := range service.Servers {
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tags := map[string]string{"server": srv}
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mname := "httpjson_" + service.Name
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expectedFields["response_time"] = 1.0
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acc.AssertContainsTaggedFields(t, mname, expectedFields, tags)
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}
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}
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}
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// Test that GET Parameters from the url string are applied properly
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func TestHttpJsonGET_URL(t *testing.T) {
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ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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key := r.FormValue("api_key")
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assert.Equal(t, "mykey", key)
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w.WriteHeader(http.StatusOK)
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fmt.Fprintln(w, validJSON2)
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}))
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defer ts.Close()
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a := HttpJson{
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Servers: []string{ts.URL + "?api_key=mykey"},
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Name: "",
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Method: "GET",
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client: &RealHTTPClient{client: &http.Client{}},
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}
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var acc testutil.Accumulator
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err := a.Gather(&acc)
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require.NoError(t, err)
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// remove response_time from gathered fields because it's non-deterministic
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delete(acc.Metrics[0].Fields, "response_time")
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fields := map[string]interface{}{
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"market_btc_usd": float64(422.852),
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"market_ltc_btc": float64(0.00798),
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"market_ltc_cny": float64(21.3883),
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"market_ltc_eur": float64(3.113),
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"market_ltc_gbp": float64(2.32807),
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"market_ltc_rub": float64(241.796),
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"market_ltc_usd": float64(3.37801),
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"network_block_number": float64(944895),
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"network_difficulty": float64(51825.72835216),
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"network_hash_rate": float64(1.426117703e+09),
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"network_next_difficulty": float64(51916.15249019),
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"network_retarget_time": float64(95053),
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"network_time_per_block": float64(156),
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"pool_active_users": float64(843),
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"pool_hash_rate": float64(1.141e+08),
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"pool_pps_rate": float64(7.655e-09),
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"pool_pps_ratio": float64(1.04),
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"user_blocks_found": float64(0),
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"user_expected_24h_rewards": float64(0),
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"user_hash_rate": float64(0),
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"user_paid_rewards": float64(0),
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"user_past_24h_rewards": float64(0),
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"user_total_rewards": float64(0.000595109232),
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"user_unpaid_rewards": float64(0.000595109232),
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"workers_brminer.1_hash_rate": float64(0),
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"workers_brminer.1_hash_rate_24h": float64(0),
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"workers_brminer.1_reset_time": float64(1.45540995e+09),
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"workers_brminer.1_rewards": float64(4.5506464e-05),
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"workers_brminer.1_rewards_24h": float64(0),
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"workers_brminer.2_hash_rate": float64(0),
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"workers_brminer.2_hash_rate_24h": float64(0),
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"workers_brminer.2_reset_time": float64(1.455936726e+09),
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"workers_brminer.2_rewards": float64(0),
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"workers_brminer.2_rewards_24h": float64(0),
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"workers_brminer.3_hash_rate": float64(0),
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"workers_brminer.3_hash_rate_24h": float64(0),
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"workers_brminer.3_reset_time": float64(1.455936733e+09),
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"workers_brminer.3_rewards": float64(0),
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"workers_brminer.3_rewards_24h": float64(0),
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}
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acc.AssertContainsFields(t, "httpjson", fields)
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}
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// Test that GET Parameters are applied properly
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func TestHttpJsonGET(t *testing.T) {
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params := map[string]string{
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"api_key": "mykey",
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}
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ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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key := r.FormValue("api_key")
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assert.Equal(t, "mykey", key)
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w.WriteHeader(http.StatusOK)
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fmt.Fprintln(w, validJSON2)
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}))
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defer ts.Close()
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a := HttpJson{
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Servers: []string{ts.URL},
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Name: "",
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Method: "GET",
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Parameters: params,
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client: &RealHTTPClient{client: &http.Client{}},
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}
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var acc testutil.Accumulator
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err := a.Gather(&acc)
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require.NoError(t, err)
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// remove response_time from gathered fields because it's non-deterministic
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delete(acc.Metrics[0].Fields, "response_time")
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fields := map[string]interface{}{
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"market_btc_usd": float64(422.852),
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"market_ltc_btc": float64(0.00798),
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"market_ltc_cny": float64(21.3883),
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"market_ltc_eur": float64(3.113),
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"market_ltc_gbp": float64(2.32807),
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"market_ltc_rub": float64(241.796),
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"market_ltc_usd": float64(3.37801),
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"network_block_number": float64(944895),
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"network_difficulty": float64(51825.72835216),
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"network_hash_rate": float64(1.426117703e+09),
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"network_next_difficulty": float64(51916.15249019),
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"network_retarget_time": float64(95053),
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"network_time_per_block": float64(156),
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"pool_active_users": float64(843),
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"pool_hash_rate": float64(1.141e+08),
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"pool_pps_rate": float64(7.655e-09),
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"pool_pps_ratio": float64(1.04),
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"user_blocks_found": float64(0),
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"user_expected_24h_rewards": float64(0),
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"user_hash_rate": float64(0),
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"user_paid_rewards": float64(0),
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"user_past_24h_rewards": float64(0),
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"user_total_rewards": float64(0.000595109232),
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"user_unpaid_rewards": float64(0.000595109232),
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"workers_brminer.1_hash_rate": float64(0),
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"workers_brminer.1_hash_rate_24h": float64(0),
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"workers_brminer.1_reset_time": float64(1.45540995e+09),
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"workers_brminer.1_rewards": float64(4.5506464e-05),
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"workers_brminer.1_rewards_24h": float64(0),
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"workers_brminer.2_hash_rate": float64(0),
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"workers_brminer.2_hash_rate_24h": float64(0),
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"workers_brminer.2_reset_time": float64(1.455936726e+09),
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"workers_brminer.2_rewards": float64(0),
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"workers_brminer.2_rewards_24h": float64(0),
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"workers_brminer.3_hash_rate": float64(0),
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"workers_brminer.3_hash_rate_24h": float64(0),
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"workers_brminer.3_reset_time": float64(1.455936733e+09),
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"workers_brminer.3_rewards": float64(0),
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"workers_brminer.3_rewards_24h": float64(0),
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}
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acc.AssertContainsFields(t, "httpjson", fields)
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}
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// Test that POST Parameters are applied properly
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func TestHttpJsonPOST(t *testing.T) {
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params := map[string]string{
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"api_key": "mykey",
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}
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ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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body, err := ioutil.ReadAll(r.Body)
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assert.NoError(t, err)
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assert.Equal(t, "api_key=mykey", string(body))
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w.WriteHeader(http.StatusOK)
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fmt.Fprintln(w, validJSON2)
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}))
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defer ts.Close()
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a := HttpJson{
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Servers: []string{ts.URL},
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Name: "",
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Method: "POST",
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Parameters: params,
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client: &RealHTTPClient{client: &http.Client{}},
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}
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var acc testutil.Accumulator
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err := a.Gather(&acc)
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require.NoError(t, err)
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// remove response_time from gathered fields because it's non-deterministic
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delete(acc.Metrics[0].Fields, "response_time")
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fields := map[string]interface{}{
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"market_btc_usd": float64(422.852),
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"market_ltc_btc": float64(0.00798),
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"market_ltc_cny": float64(21.3883),
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"market_ltc_eur": float64(3.113),
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"market_ltc_gbp": float64(2.32807),
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"market_ltc_rub": float64(241.796),
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"market_ltc_usd": float64(3.37801),
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"network_block_number": float64(944895),
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"network_difficulty": float64(51825.72835216),
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"network_hash_rate": float64(1.426117703e+09),
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"network_next_difficulty": float64(51916.15249019),
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"network_retarget_time": float64(95053),
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"network_time_per_block": float64(156),
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"pool_active_users": float64(843),
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"pool_hash_rate": float64(1.141e+08),
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"pool_pps_rate": float64(7.655e-09),
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"pool_pps_ratio": float64(1.04),
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"user_blocks_found": float64(0),
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"user_expected_24h_rewards": float64(0),
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"user_hash_rate": float64(0),
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"user_paid_rewards": float64(0),
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"user_past_24h_rewards": float64(0),
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"user_total_rewards": float64(0.000595109232),
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"user_unpaid_rewards": float64(0.000595109232),
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"workers_brminer.1_hash_rate": float64(0),
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"workers_brminer.1_hash_rate_24h": float64(0),
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"workers_brminer.1_reset_time": float64(1.45540995e+09),
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"workers_brminer.1_rewards": float64(4.5506464e-05),
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"workers_brminer.1_rewards_24h": float64(0),
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"workers_brminer.2_hash_rate": float64(0),
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"workers_brminer.2_hash_rate_24h": float64(0),
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"workers_brminer.2_reset_time": float64(1.455936726e+09),
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"workers_brminer.2_rewards": float64(0),
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"workers_brminer.2_rewards_24h": float64(0),
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"workers_brminer.3_hash_rate": float64(0),
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"workers_brminer.3_hash_rate_24h": float64(0),
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"workers_brminer.3_reset_time": float64(1.455936733e+09),
|
|
"workers_brminer.3_rewards": float64(0),
|
|
"workers_brminer.3_rewards_24h": float64(0),
|
|
}
|
|
|
|
acc.AssertContainsFields(t, "httpjson", fields)
|
|
}
|
|
|
|
// Test response to HTTP 500
|
|
func TestHttpJson500(t *testing.T) {
|
|
httpjson := genMockHttpJson(validJSON, 500)
|
|
|
|
var acc testutil.Accumulator
|
|
err := httpjson[0].Gather(&acc)
|
|
|
|
assert.NotNil(t, err)
|
|
assert.Equal(t, 0, acc.NFields())
|
|
}
|
|
|
|
// Test response to HTTP 405
|
|
func TestHttpJsonBadMethod(t *testing.T) {
|
|
httpjson := genMockHttpJson(validJSON, 200)
|
|
httpjson[0].Method = "NOT_A_REAL_METHOD"
|
|
|
|
var acc testutil.Accumulator
|
|
err := httpjson[0].Gather(&acc)
|
|
|
|
assert.NotNil(t, err)
|
|
assert.Equal(t, 0, acc.NFields())
|
|
}
|
|
|
|
// Test response to malformed JSON
|
|
func TestHttpJsonBadJson(t *testing.T) {
|
|
httpjson := genMockHttpJson(invalidJSON, 200)
|
|
|
|
var acc testutil.Accumulator
|
|
err := httpjson[0].Gather(&acc)
|
|
|
|
assert.NotNil(t, err)
|
|
assert.Equal(t, 0, acc.NFields())
|
|
}
|
|
|
|
// Test response to empty string as response objectgT
|
|
func TestHttpJsonEmptyResponse(t *testing.T) {
|
|
httpjson := genMockHttpJson(empty, 200)
|
|
|
|
var acc testutil.Accumulator
|
|
err := httpjson[0].Gather(&acc)
|
|
|
|
assert.NotNil(t, err)
|
|
assert.Equal(t, 0, acc.NFields())
|
|
}
|
|
|
|
// Test that the proper values are ignored or collected
|
|
func TestHttpJson200Tags(t *testing.T) {
|
|
httpjson := genMockHttpJson(validJSONTags, 200)
|
|
|
|
for _, service := range httpjson {
|
|
if service.Name == "other_webapp" {
|
|
var acc testutil.Accumulator
|
|
err := service.Gather(&acc)
|
|
// Set responsetime
|
|
for _, p := range acc.Metrics {
|
|
p.Fields["response_time"] = 1.0
|
|
}
|
|
require.NoError(t, err)
|
|
assert.Equal(t, 4, acc.NFields())
|
|
for _, srv := range service.Servers {
|
|
tags := map[string]string{"server": srv, "role": "master", "build": "123"}
|
|
fields := map[string]interface{}{"value": float64(15), "response_time": float64(1)}
|
|
mname := "httpjson_" + service.Name
|
|
acc.AssertContainsTaggedFields(t, mname, fields, tags)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
const validJSONArrayTags = `
|
|
[
|
|
{
|
|
"value": 15,
|
|
"role": "master",
|
|
"build": "123"
|
|
},
|
|
{
|
|
"value": 17,
|
|
"role": "slave",
|
|
"build": "456"
|
|
}
|
|
]`
|
|
|
|
// Test that array data is collected correctly
|
|
func TestHttpJsonArray200Tags(t *testing.T) {
|
|
httpjson := genMockHttpJson(validJSONArrayTags, 200)
|
|
|
|
for _, service := range httpjson {
|
|
if service.Name == "other_webapp" {
|
|
var acc testutil.Accumulator
|
|
err := service.Gather(&acc)
|
|
// Set responsetime
|
|
for _, p := range acc.Metrics {
|
|
p.Fields["response_time"] = 1.0
|
|
}
|
|
require.NoError(t, err)
|
|
assert.Equal(t, 8, acc.NFields())
|
|
assert.Equal(t, uint64(4), acc.NMetrics())
|
|
|
|
for _, m := range acc.Metrics {
|
|
if m.Tags["role"] == "master" {
|
|
assert.Equal(t, "123", m.Tags["build"])
|
|
assert.Equal(t, float64(15), m.Fields["value"])
|
|
assert.Equal(t, float64(1), m.Fields["response_time"])
|
|
assert.Equal(t, "httpjson_"+service.Name, m.Measurement)
|
|
} else if m.Tags["role"] == "slave" {
|
|
assert.Equal(t, "456", m.Tags["build"])
|
|
assert.Equal(t, float64(17), m.Fields["value"])
|
|
assert.Equal(t, float64(1), m.Fields["response_time"])
|
|
assert.Equal(t, "httpjson_"+service.Name, m.Measurement)
|
|
} else {
|
|
assert.FailNow(t, "unknown metric")
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
const validJSON3 = `
|
|
{"service":"myservice",
|
|
"notATag":"abcd",
|
|
"notATag2":1.234,
|
|
"metrics":{"myMetricsArr": [{"tagA":"ABC", "tagB":"XYZ", "value":1.0}, {"tagA":"DEF", "tagB":"UVW", "value":2.0}],
|
|
"myMetricsObj": {"tagA": "HIJ", "tagC":"LMN", "value":3.0, "anotherValue": 4.0}
|
|
}
|
|
}
|
|
`
|
|
|
|
// Test that nested array data is collected correctly
|
|
func TestHttpJsonNestedArrayTags(t *testing.T) {
|
|
httpjson := genMockHttpJson(validJSON3, 200)
|
|
|
|
for _, service := range httpjson {
|
|
if service.Name == "other_other_webapp" {
|
|
var acc testutil.Accumulator
|
|
err := service.Gather(&acc)
|
|
// Set responsetime
|
|
for _, p := range acc.Metrics {
|
|
p.Fields["response_time"] = 1.0
|
|
}
|
|
require.NoError(t, err)
|
|
assert.Equal(t, 18, acc.NFields())
|
|
assert.Equal(t, uint64(8), acc.NMetrics())
|
|
|
|
for _, m := range acc.Metrics {
|
|
if m.Tags["tagA"] == "ABC" {
|
|
assert.Equal(t, "XYZ", m.Tags["tagB"])
|
|
assert.Equal(t, "myservice", m.Tags["service"])
|
|
assert.Equal(t, float64(1), m.Fields["value"])
|
|
// assert.Equal(t, "httpjson_"+service.Name, m.Measurement)
|
|
} else if m.Tags["tagA"] == "DEF" {
|
|
assert.Equal(t, "UVW", m.Tags["tagB"])
|
|
assert.Equal(t, "myservice", m.Tags["service"])
|
|
assert.Equal(t, float64(2), m.Fields["value"])
|
|
// assert.Equal(t, "httpjson_"+service.Name, m.Measurement)
|
|
} else if m.Tags["tagA"] == "HIJ" {
|
|
assert.Equal(t, "LMN", m.Tags["tagC"])
|
|
assert.Equal(t, "myservice", m.Tags["service"])
|
|
assert.Equal(t, float64(3.0), m.Fields["value"])
|
|
// assert.Equal(t, "httpjson_"+service.Name, m.Measurement)
|
|
} else if _, ok := m.Tags["tagA"]; !ok {
|
|
assert.Equal(t, "myservice", m.Tags["service"])
|
|
assert.Equal(t, float64(1.234), m.Fields["notATag2"])
|
|
// assert.Equal(t, "httpjson_"+service.Name, m.Measurement)
|
|
} else {
|
|
fmt.Printf("tags: %v\nfields: %v\nmeasurement: %v\n", m.Tags, m.Fields, m.Measurement)
|
|
assert.FailNow(t, "unknown metric")
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|