2016-12-04 20:18:13 +00:00
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package client
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import (
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"bytes"
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2017-08-14 21:50:15 +00:00
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"compress/gzip"
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2016-12-04 20:18:13 +00:00
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"fmt"
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"net/http"
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"net/http/httptest"
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"testing"
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"github.com/stretchr/testify/assert"
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)
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func TestHTTPClient_Write(t *testing.T) {
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ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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switch r.URL.Path {
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case "/write":
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// test form values:
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if r.FormValue("db") != "test" {
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w.WriteHeader(http.StatusTeapot)
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w.Header().Set("Content-Type", "application/json")
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fmt.Fprintln(w, `{"results":[{}],"error":"wrong db name"}`)
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}
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if r.FormValue("rp") != "policy" {
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w.WriteHeader(http.StatusTeapot)
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w.Header().Set("Content-Type", "application/json")
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fmt.Fprintln(w, `{"results":[{}],"error":"wrong rp name"}`)
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}
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if r.FormValue("precision") != "ns" {
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w.WriteHeader(http.StatusTeapot)
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w.Header().Set("Content-Type", "application/json")
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fmt.Fprintln(w, `{"results":[{}],"error":"wrong precision"}`)
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}
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if r.FormValue("consistency") != "all" {
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w.WriteHeader(http.StatusTeapot)
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w.Header().Set("Content-Type", "application/json")
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fmt.Fprintln(w, `{"results":[{}],"error":"wrong consistency"}`)
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}
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// test that user agent is set properly
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if r.UserAgent() != "test-agent" {
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w.WriteHeader(http.StatusTeapot)
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w.Header().Set("Content-Type", "application/json")
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fmt.Fprintln(w, `{"results":[{}],"error":"wrong agent name"}`)
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}
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// test basic auth params
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user, pass, ok := r.BasicAuth()
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if !ok {
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w.WriteHeader(http.StatusTeapot)
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w.Header().Set("Content-Type", "application/json")
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fmt.Fprintln(w, `{"results":[{}],"error":"basic auth not set"}`)
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}
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if user != "test-user" || pass != "test-password" {
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w.WriteHeader(http.StatusTeapot)
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w.Header().Set("Content-Type", "application/json")
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fmt.Fprintln(w, `{"results":[{}],"error":"basic auth incorrect"}`)
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}
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2017-08-28 23:08:50 +00:00
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// test that user-specified http header is set properly
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if r.Header.Get("X-Test-Header") != "Test-Value" {
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w.WriteHeader(http.StatusTeapot)
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w.Header().Set("Content-Type", "application/json")
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fmt.Fprintln(w, `{"results":[{}],"error":"wrong http header value"}`)
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}
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2016-12-04 20:18:13 +00:00
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// Validate Content-Length Header
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if r.ContentLength != 13 {
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w.WriteHeader(http.StatusTeapot)
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w.Header().Set("Content-Type", "application/json")
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msg := fmt.Sprintf(`{"results":[{}],"error":"Content-Length: expected [13], got [%d]"}`, r.ContentLength)
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fmt.Fprintln(w, msg)
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}
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// Validate the request body:
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buf := make([]byte, 100)
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n, _ := r.Body.Read(buf)
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expected := "cpu value=99"
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got := string(buf[0 : n-1])
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if expected != got {
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w.WriteHeader(http.StatusTeapot)
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w.Header().Set("Content-Type", "application/json")
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msg := fmt.Sprintf(`{"results":[{}],"error":"expected [%s], got [%s]"}`, expected, got)
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fmt.Fprintln(w, msg)
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}
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w.WriteHeader(http.StatusNoContent)
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w.Header().Set("Content-Type", "application/json")
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case "/query":
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w.WriteHeader(http.StatusOK)
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w.Header().Set("Content-Type", "application/json")
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fmt.Fprintln(w, `{"results":[{}]}`)
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}
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}))
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defer ts.Close()
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config := HTTPConfig{
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URL: ts.URL,
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UserAgent: "test-agent",
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Username: "test-user",
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Password: "test-password",
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2017-08-28 23:08:50 +00:00
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HTTPHeaders: HTTPHeaders{
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"X-Test-Header": "Test-Value",
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},
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2016-12-04 20:18:13 +00:00
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}
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wp := WriteParams{
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Database: "test",
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RetentionPolicy: "policy",
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Precision: "ns",
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Consistency: "all",
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}
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client, err := NewHTTP(config, wp)
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defer client.Close()
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assert.NoError(t, err)
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n, err := client.Write([]byte("cpu value=99\n"))
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assert.Equal(t, 13, n)
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assert.NoError(t, err)
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_, err = client.WriteStream(bytes.NewReader([]byte("cpu value=99\n")), 13)
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assert.NoError(t, err)
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}
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func TestHTTPClient_WriteParamsOverride(t *testing.T) {
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ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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switch r.URL.Path {
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case "/write":
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// test that database is set properly
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if r.FormValue("db") != "override" {
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w.WriteHeader(http.StatusTeapot)
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w.Header().Set("Content-Type", "application/json")
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fmt.Fprintln(w, `{"results":[{}],"error":"wrong db name"}`)
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}
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// Validate the request body:
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buf := make([]byte, 100)
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n, _ := r.Body.Read(buf)
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expected := "cpu value=99"
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got := string(buf[0 : n-1])
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if expected != got {
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w.WriteHeader(http.StatusTeapot)
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w.Header().Set("Content-Type", "application/json")
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msg := fmt.Sprintf(`{"results":[{}],"error":"expected [%s], got [%s]"}`, expected, got)
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fmt.Fprintln(w, msg)
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}
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w.WriteHeader(http.StatusNoContent)
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w.Header().Set("Content-Type", "application/json")
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case "/query":
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w.WriteHeader(http.StatusOK)
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w.Header().Set("Content-Type", "application/json")
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fmt.Fprintln(w, `{"results":[{}]}`)
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}
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}))
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defer ts.Close()
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config := HTTPConfig{
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URL: ts.URL,
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}
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defaultWP := WriteParams{
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Database: "test",
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}
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client, err := NewHTTP(config, defaultWP)
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defer client.Close()
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assert.NoError(t, err)
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// test that WriteWithParams overrides the default write params
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wp := WriteParams{
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Database: "override",
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}
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n, err := client.WriteWithParams([]byte("cpu value=99\n"), wp)
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assert.Equal(t, 13, n)
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assert.NoError(t, err)
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_, err = client.WriteStreamWithParams(bytes.NewReader([]byte("cpu value=99\n")), 13, wp)
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assert.NoError(t, err)
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}
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func TestHTTPClient_Write_Errors(t *testing.T) {
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ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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switch r.URL.Path {
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case "/write":
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w.WriteHeader(http.StatusTeapot)
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case "/query":
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w.WriteHeader(http.StatusOK)
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w.Header().Set("Content-Type", "application/json")
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fmt.Fprintln(w, `{"results":[{}]}`)
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}
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}))
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defer ts.Close()
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config := HTTPConfig{
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URL: ts.URL,
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}
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defaultWP := WriteParams{
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Database: "test",
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}
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client, err := NewHTTP(config, defaultWP)
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defer client.Close()
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assert.NoError(t, err)
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lp := []byte("cpu value=99\n")
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n, err := client.Write(lp)
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assert.Equal(t, 0, n)
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assert.Error(t, err)
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n, err = client.WriteStream(bytes.NewReader(lp), 13)
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assert.Equal(t, 0, n)
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assert.Error(t, err)
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wp := WriteParams{
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Database: "override",
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}
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n, err = client.WriteWithParams(lp, wp)
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assert.Equal(t, 0, n)
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assert.Error(t, err)
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n, err = client.WriteStreamWithParams(bytes.NewReader(lp), 13, wp)
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assert.Equal(t, 0, n)
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assert.Error(t, err)
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}
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func TestNewHTTPErrors(t *testing.T) {
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// No URL:
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config := HTTPConfig{}
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defaultWP := WriteParams{
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Database: "test",
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}
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client, err := NewHTTP(config, defaultWP)
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assert.Error(t, err)
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assert.Nil(t, client)
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// No Database:
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config = HTTPConfig{
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URL: "http://localhost:8086",
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}
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defaultWP = WriteParams{}
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client, err = NewHTTP(config, defaultWP)
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assert.Nil(t, client)
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assert.Error(t, err)
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// Invalid URL:
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config = HTTPConfig{
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URL: "http://192.168.0.%31:8080/",
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}
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defaultWP = WriteParams{
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Database: "test",
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}
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client, err = NewHTTP(config, defaultWP)
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assert.Nil(t, client)
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assert.Error(t, err)
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// Invalid URL scheme:
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config = HTTPConfig{
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URL: "mailto://localhost:8086",
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}
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defaultWP = WriteParams{
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Database: "test",
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}
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client, err = NewHTTP(config, defaultWP)
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assert.Nil(t, client)
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assert.Error(t, err)
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}
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func TestHTTPClient_Query(t *testing.T) {
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command := "CREATE DATABASE test"
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ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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switch r.URL.Path {
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case "/write":
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w.WriteHeader(http.StatusNoContent)
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case "/query":
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// validate the create database command is correct
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got := r.FormValue("q")
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if got != command {
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w.WriteHeader(http.StatusTeapot)
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w.Header().Set("Content-Type", "application/json")
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msg := fmt.Sprintf(`{"results":[{}],"error":"got %s, expected %s"}`, got, command)
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fmt.Fprintln(w, msg)
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}
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w.WriteHeader(http.StatusOK)
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w.Header().Set("Content-Type", "application/json")
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fmt.Fprintln(w, `{"results":[{}]}`)
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}
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}))
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defer ts.Close()
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config := HTTPConfig{
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URL: ts.URL,
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}
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defaultWP := WriteParams{
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Database: "test",
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}
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client, err := NewHTTP(config, defaultWP)
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defer client.Close()
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assert.NoError(t, err)
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err = client.Query(command)
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assert.NoError(t, err)
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}
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func TestHTTPClient_Query_ResponseError(t *testing.T) {
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command := "CREATE DATABASE test"
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ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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switch r.URL.Path {
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case "/write":
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w.WriteHeader(http.StatusNoContent)
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case "/query":
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w.WriteHeader(http.StatusTeapot)
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w.Header().Set("Content-Type", "application/json")
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msg := fmt.Sprintf(`{"results":[{}],"error":"couldnt create database"}`)
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fmt.Fprintln(w, msg)
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}
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}))
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defer ts.Close()
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config := HTTPConfig{
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URL: ts.URL,
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}
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defaultWP := WriteParams{
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Database: "test",
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}
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client, err := NewHTTP(config, defaultWP)
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defer client.Close()
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assert.NoError(t, err)
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err = client.Query(command)
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assert.Error(t, err)
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}
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func TestHTTPClient_Query_JSONDecodeError(t *testing.T) {
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command := "CREATE DATABASE test"
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ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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switch r.URL.Path {
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case "/write":
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w.WriteHeader(http.StatusNoContent)
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case "/query":
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w.WriteHeader(http.StatusOK)
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w.Header().Set("Content-Type", "application/json")
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// write JSON missing a ']'
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msg := fmt.Sprintf(`{"results":[{}}`)
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fmt.Fprintln(w, msg)
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}
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}))
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defer ts.Close()
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config := HTTPConfig{
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URL: ts.URL,
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}
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defaultWP := WriteParams{
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Database: "test",
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}
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client, err := NewHTTP(config, defaultWP)
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defer client.Close()
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assert.NoError(t, err)
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err = client.Query(command)
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assert.Error(t, err)
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assert.Contains(t, err.Error(), "json")
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}
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2017-08-14 21:50:15 +00:00
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func TestGzipCompression(t *testing.T) {
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influxLine := "cpu value=99\n"
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// Compress the payload using GZIP.
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payload := bytes.NewReader([]byte(influxLine))
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compressed, err := compressWithGzip(payload)
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assert.Nil(t, err)
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// Decompress the compressed payload and make sure
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// that its original value has not changed.
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gr, err := gzip.NewReader(compressed)
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assert.Nil(t, err)
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gr.Close()
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|
|
|
|
|
|
|
var uncompressed bytes.Buffer
|
|
|
|
_, err = uncompressed.ReadFrom(gr)
|
|
|
|
assert.Nil(t, err)
|
|
|
|
|
|
|
|
assert.Equal(t, []byte(influxLine), uncompressed.Bytes())
|
|
|
|
}
|