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package datadog
import (
"bytes"
"encoding/json"
"io/ioutil"
"net/http"
"net/http/httptest"
"strings"
"testing"
"github.com/stretchr/testify/assert"
)
func removeWhitespace(s string) string {
s = strings.Replace(s, " ", "", -1)
s = strings.Replace(s, "\n", "", -1)
return s
}
// TestPostMetrics tests submitting series sends correct
// payloads to the Datadog API for the /v1/series endpoint
func TestPostMetrics(t *testing.T) {
reqs := make(chan string, 1)
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
buf := new(bytes.Buffer)
buf.ReadFrom(r.Body)
reqs <- buf.String()
w.WriteHeader(200)
w.Write([]byte("{\"status\": \"ok\"}"))
return
}))
defer ts.Close()
client := Client{
baseUrl: ts.URL,
HttpClient: http.DefaultClient,
}
tcs := []string{
"./tests/fixtures/series/post_series_mixed.json",
"./tests/fixtures/series/post_series_valid.json",
}
for _, tc := range tcs {
b, err := ioutil.ReadFile(tc)
if err != nil {
t.Fatal(err)
}
var post reqPostSeries
json.Unmarshal(b, &post)
if err != nil {
t.Fatal(err)
}
err = client.PostMetrics(post.Series)
if err != nil {
t.Fatal(err)
}
assert.Equal(t, nil, err)
payload := <-reqs
assert.Equal(t, removeWhitespace(string(b)), payload)
}
// Empty slice metrics test case
err := client.PostMetrics([]Metric{})
if err != nil {
t.Fatal(err)
}
payload := <-reqs
assert.Equal(t, "{}", payload)
}
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