/usr/share/gocode/src/github.com/influxdb/influxdb/services/httpd/handler_test.go is in golang-github-influxdb-influxdb-dev 0.10.0+dfsg1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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import (
"bytes"
"encoding/json"
"errors"
"fmt"
"io"
"net/http"
"net/http/httptest"
"reflect"
"regexp"
"testing"
"time"
"github.com/influxdb/influxdb"
"github.com/influxdb/influxdb/client"
"github.com/influxdb/influxdb/influxql"
"github.com/influxdb/influxdb/models"
"github.com/influxdb/influxdb/services/httpd"
"github.com/influxdb/influxdb/services/meta"
"github.com/influxdb/influxdb/tsdb"
)
func TestBatchWrite_UnmarshalEpoch(t *testing.T) {
now := time.Now().UTC()
tests := []struct {
name string
epoch int64
precision string
expected time.Time
}{
{
name: "nanoseconds",
epoch: now.UnixNano(),
precision: "n",
expected: now,
},
{
name: "microseconds",
epoch: now.Round(time.Microsecond).UnixNano() / int64(time.Microsecond),
precision: "u",
expected: now.Round(time.Microsecond),
},
{
name: "milliseconds",
epoch: now.Round(time.Millisecond).UnixNano() / int64(time.Millisecond),
precision: "ms",
expected: now.Round(time.Millisecond),
},
{
name: "seconds",
epoch: now.Round(time.Second).UnixNano() / int64(time.Second),
precision: "s",
expected: now.Round(time.Second),
},
{
name: "minutes",
epoch: now.Round(time.Minute).UnixNano() / int64(time.Minute),
precision: "m",
expected: now.Round(time.Minute),
},
{
name: "hours",
epoch: now.Round(time.Hour).UnixNano() / int64(time.Hour),
precision: "h",
expected: now.Round(time.Hour),
},
{
name: "max int64",
epoch: 9223372036854775807,
precision: "n",
expected: time.Unix(0, 9223372036854775807),
},
{
name: "100 years from now",
epoch: now.Add(time.Hour * 24 * 365 * 100).UnixNano(),
precision: "n",
expected: now.Add(time.Hour * 24 * 365 * 100),
},
}
for _, test := range tests {
t.Logf("testing %q\n", test.name)
data := []byte(fmt.Sprintf(`{"time": %d, "precision":"%s"}`, test.epoch, test.precision))
t.Logf("json: %s", string(data))
var bp client.BatchPoints
err := json.Unmarshal(data, &bp)
if err != nil {
t.Fatalf("unexpected error. expected: %v, actual: %v", nil, err)
}
if !bp.Time.Equal(test.expected) {
t.Fatalf("Unexpected time. expected: %v, actual: %v", test.expected, bp.Time)
}
}
}
func TestBatchWrite_UnmarshalRFC(t *testing.T) {
now := time.Now()
tests := []struct {
name string
rfc string
now time.Time
expected time.Time
}{
{
name: "RFC3339Nano",
rfc: time.RFC3339Nano,
now: now,
expected: now,
},
{
name: "RFC3339",
rfc: time.RFC3339,
now: now.Round(time.Second),
expected: now.Round(time.Second),
},
}
for _, test := range tests {
t.Logf("testing %q\n", test.name)
ts := test.now.Format(test.rfc)
data := []byte(fmt.Sprintf(`{"time": %q}`, ts))
t.Logf("json: %s", string(data))
var bp client.BatchPoints
err := json.Unmarshal(data, &bp)
if err != nil {
t.Fatalf("unexpected error. exptected: %v, actual: %v", nil, err)
}
if !bp.Time.Equal(test.expected) {
t.Fatalf("Unexpected time. expected: %v, actual: %v", test.expected, bp.Time)
}
}
}
// Ensure the handler returns results from a query (including nil results).
func TestHandler_Query(t *testing.T) {
h := NewHandler(false)
h.QueryExecutor.ExecuteQueryFn = func(q *influxql.Query, db string, chunkSize int, closing chan struct{}) (<-chan *influxql.Result, error) {
if q.String() != `SELECT * FROM bar` {
t.Fatalf("unexpected query: %s", q.String())
} else if db != `foo` {
t.Fatalf("unexpected db: %s", db)
}
return NewResultChan(
&influxql.Result{StatementID: 1, Series: models.Rows([]*models.Row{{Name: "series0"}})},
&influxql.Result{StatementID: 2, Series: models.Rows([]*models.Row{{Name: "series1"}})},
nil,
), nil
}
w := httptest.NewRecorder()
h.ServeHTTP(w, MustNewJSONRequest("GET", "/query?db=foo&q=SELECT+*+FROM+bar", nil))
if w.Code != http.StatusOK {
t.Fatalf("unexpected status: %d", w.Code)
} else if w.Body.String() != `{"results":[{"series":[{"name":"series0"}]},{"series":[{"name":"series1"}]}]}` {
t.Fatalf("unexpected body: %s", w.Body.String())
}
}
// Ensure the handler returns results from a query (including nil results).
func TestHandler_QueryRegex(t *testing.T) {
h := NewHandler(false)
h.QueryExecutor.ExecuteQueryFn = func(q *influxql.Query, db string, chunkSize int, closing chan struct{}) (<-chan *influxql.Result, error) {
if q.String() != `SELECT * FROM test WHERE url =~ /http\:\/\/www.akamai\.com/` {
t.Fatalf("unexpected query: %s", q.String())
} else if db != `test` {
t.Fatalf("unexpected db: %s", db)
}
return NewResultChan(
nil,
), nil
}
w := httptest.NewRecorder()
h.ServeHTTP(w, MustNewRequest("GET", "/query?db=test&q=SELECT%20%2A%20FROM%20test%20WHERE%20url%20%3D~%20%2Fhttp%5C%3A%5C%2F%5C%2Fwww.akamai%5C.com%2F", nil))
}
// Ensure the handler merges results from the same statement.
func TestHandler_Query_MergeResults(t *testing.T) {
h := NewHandler(false)
h.QueryExecutor.ExecuteQueryFn = func(q *influxql.Query, db string, chunkSize int, closing chan struct{}) (<-chan *influxql.Result, error) {
return NewResultChan(
&influxql.Result{StatementID: 1, Series: models.Rows([]*models.Row{{Name: "series0"}})},
&influxql.Result{StatementID: 1, Series: models.Rows([]*models.Row{{Name: "series1"}})},
), nil
}
w := httptest.NewRecorder()
h.ServeHTTP(w, MustNewJSONRequest("GET", "/query?db=foo&q=SELECT+*+FROM+bar", nil))
if w.Code != http.StatusOK {
t.Fatalf("unexpected status: %d", w.Code)
} else if w.Body.String() != `{"results":[{"series":[{"name":"series0"},{"name":"series1"}]}]}` {
t.Fatalf("unexpected body: %s", w.Body.String())
}
}
// Ensure the handler merges results from the same statement.
func TestHandler_Query_MergeEmptyResults(t *testing.T) {
h := NewHandler(false)
h.QueryExecutor.ExecuteQueryFn = func(q *influxql.Query, db string, chunkSize int, closing chan struct{}) (<-chan *influxql.Result, error) {
return NewResultChan(
&influxql.Result{StatementID: 1, Series: models.Rows{}},
&influxql.Result{StatementID: 1, Series: models.Rows([]*models.Row{{Name: "series1"}})},
), nil
}
w := httptest.NewRecorder()
h.ServeHTTP(w, MustNewJSONRequest("GET", "/query?db=foo&q=SELECT+*+FROM+bar", nil))
if w.Code != http.StatusOK {
t.Fatalf("unexpected status: %d", w.Code)
} else if w.Body.String() != `{"results":[{"series":[{"name":"series1"}]}]}` {
t.Fatalf("unexpected body: %s", w.Body.String())
}
}
// Ensure the handler can parse chunked and chunk size query parameters.
func TestHandler_Query_Chunked(t *testing.T) {
h := NewHandler(false)
h.QueryExecutor.ExecuteQueryFn = func(q *influxql.Query, db string, chunkSize int, closing chan struct{}) (<-chan *influxql.Result, error) {
if chunkSize != 2 {
t.Fatalf("unexpected chunk size: %d", chunkSize)
}
return NewResultChan(
&influxql.Result{StatementID: 1, Series: models.Rows([]*models.Row{{Name: "series0"}})},
&influxql.Result{StatementID: 1, Series: models.Rows([]*models.Row{{Name: "series1"}})},
), nil
}
w := httptest.NewRecorder()
h.ServeHTTP(w, MustNewJSONRequest("GET", "/query?db=foo&q=SELECT+*+FROM+bar&chunked=true&chunk_size=2", nil))
if w.Code != http.StatusOK {
t.Fatalf("unexpected status: %d", w.Code)
} else if w.Body.String() != `{"results":[{"series":[{"name":"series0"}]}]}{"results":[{"series":[{"name":"series1"}]}]}` {
t.Fatalf("unexpected body: %s", w.Body.String())
}
}
// Ensure the handler returns a status 400 if the query is not passed in.
func TestHandler_Query_ErrQueryRequired(t *testing.T) {
h := NewHandler(false)
w := httptest.NewRecorder()
h.ServeHTTP(w, MustNewJSONRequest("GET", "/query", nil))
if w.Code != http.StatusBadRequest {
t.Fatalf("unexpected status: %d", w.Code)
} else if w.Body.String() != `{"error":"missing required parameter \"q\""}` {
t.Fatalf("unexpected body: %s", w.Body.String())
}
}
// Ensure the handler returns a status 400 if the query cannot be parsed.
func TestHandler_Query_ErrInvalidQuery(t *testing.T) {
h := NewHandler(false)
w := httptest.NewRecorder()
h.ServeHTTP(w, MustNewJSONRequest("GET", "/query?q=SELECT", nil))
if w.Code != http.StatusBadRequest {
t.Fatalf("unexpected status: %d", w.Code)
} else if w.Body.String() != `{"error":"error parsing query: found EOF, expected identifier, string, number, bool at line 1, char 8"}` {
t.Fatalf("unexpected body: %s", w.Body.String())
}
}
// Ensure the handler returns a status 401 if the user is not authorized.
// func TestHandler_Query_ErrUnauthorized(t *testing.T) {
// h := NewHandler(false)
// h.QueryExecutor.AuthorizeFn = func(u *meta.UserInfo, q *influxql.Query, db string) error {
// return errors.New("marker")
// }
// w := httptest.NewRecorder()
// h.ServeHTTP(w, MustNewJSONRequest("GET", "/query?u=bar&db=foo&q=SHOW+SERIES+FROM+bar", nil))
// if w.Code != http.StatusUnauthorized {
// t.Fatalf("unexpected status: %d", w.Code)
// }
// }
// Ensure the handler returns a status 500 if an error is returned from the query executor.
func TestHandler_Query_ErrExecuteQuery(t *testing.T) {
h := NewHandler(false)
h.QueryExecutor.ExecuteQueryFn = func(q *influxql.Query, db string, chunkSize int, closing chan struct{}) (<-chan *influxql.Result, error) {
return nil, errors.New("marker")
}
w := httptest.NewRecorder()
h.ServeHTTP(w, MustNewJSONRequest("GET", "/query?db=foo&q=SHOW+SERIES+FROM+bar", nil))
if w.Code != http.StatusInternalServerError {
t.Fatalf("unexpected status: %d", w.Code)
}
}
// Ensure the handler returns a status 200 if an error is returned in the result.
func TestHandler_Query_ErrResult(t *testing.T) {
h := NewHandler(false)
h.QueryExecutor.ExecuteQueryFn = func(q *influxql.Query, db string, chunkSize int, closing chan struct{}) (<-chan *influxql.Result, error) {
return NewResultChan(&influxql.Result{Err: errors.New("measurement not found")}), nil
}
w := httptest.NewRecorder()
h.ServeHTTP(w, MustNewJSONRequest("GET", "/query?db=foo&q=SHOW+SERIES+from+bin", nil))
if w.Code != http.StatusOK {
t.Fatalf("unexpected status: %d", w.Code)
} else if w.Body.String() != `{"results":[{"error":"measurement not found"}]}` {
t.Fatalf("unexpected body: %s", w.Body.String())
}
}
// Ensure the handler handles ping requests correctly.
// TODO: This should be expanded to verify the MetaClient check in servePing is working correctly
func TestHandler_Ping(t *testing.T) {
h := NewHandler(false)
w := httptest.NewRecorder()
h.ServeHTTP(w, MustNewRequest("GET", "/ping", nil))
if w.Code != http.StatusNoContent {
t.Fatalf("unexpected status: %d", w.Code)
}
h.ServeHTTP(w, MustNewRequest("HEAD", "/ping", nil))
if w.Code != http.StatusNoContent {
t.Fatalf("unexpected status: %d", w.Code)
}
}
// Ensure the handler handles status requests correctly.
func TestHandler_Status(t *testing.T) {
h := NewHandler(false)
w := httptest.NewRecorder()
h.ServeHTTP(w, MustNewRequest("GET", "/status", nil))
if w.Code != http.StatusNoContent {
t.Fatalf("unexpected status: %d", w.Code)
}
h.ServeHTTP(w, MustNewRequest("HEAD", "/status", nil))
if w.Code != http.StatusNoContent {
t.Fatalf("unexpected status: %d", w.Code)
}
}
// Ensure write endpoint can handle bad requests
func TestHandler_HandleBadRequestBody(t *testing.T) {
b := bytes.NewReader(make([]byte, 10))
h := NewHandler(false)
w := httptest.NewRecorder()
h.ServeHTTP(w, MustNewRequest("POST", "/write", b))
if w.Code != http.StatusBadRequest {
t.Fatalf("unexpected status: %d", w.Code)
}
}
func TestMarshalJSON_NoPretty(t *testing.T) {
if b := httpd.MarshalJSON(struct {
Name string `json:"name"`
}{Name: "foo"}, false); string(b) != `{"name":"foo"}` {
t.Fatalf("unexpected bytes: %s", b)
}
}
func TestMarshalJSON_Pretty(t *testing.T) {
if b := httpd.MarshalJSON(struct {
Name string `json:"name"`
}{Name: "foo"}, true); string(b) != "{\n \"name\": \"foo\"\n}" {
t.Fatalf("unexpected bytes: %q", string(b))
}
}
func TestMarshalJSON_Error(t *testing.T) {
if b := httpd.MarshalJSON(&invalidJSON{}, true); string(b) != "json: error calling MarshalJSON for type *httpd_test.invalidJSON: marker" {
t.Fatalf("unexpected bytes: %q", string(b))
}
}
type invalidJSON struct{}
func (*invalidJSON) MarshalJSON() ([]byte, error) { return nil, errors.New("marker") }
func TestNormalizeBatchPoints(t *testing.T) {
now := time.Now()
tests := []struct {
name string
bp client.BatchPoints
p []models.Point
err string
}{
{
name: "default",
bp: client.BatchPoints{
Points: []client.Point{
{Measurement: "cpu", Tags: map[string]string{"region": "useast"}, Time: now, Fields: map[string]interface{}{"value": 1.0}},
},
},
p: []models.Point{
models.MustNewPoint("cpu", map[string]string{"region": "useast"}, map[string]interface{}{"value": 1.0}, now),
},
},
{
name: "merge time",
bp: client.BatchPoints{
Time: now,
Points: []client.Point{
{Measurement: "cpu", Tags: map[string]string{"region": "useast"}, Fields: map[string]interface{}{"value": 1.0}},
},
},
p: []models.Point{
models.MustNewPoint("cpu", map[string]string{"region": "useast"}, map[string]interface{}{"value": 1.0}, now),
},
},
{
name: "merge tags",
bp: client.BatchPoints{
Tags: map[string]string{"day": "monday"},
Points: []client.Point{
{Measurement: "cpu", Tags: map[string]string{"region": "useast"}, Time: now, Fields: map[string]interface{}{"value": 1.0}},
{Measurement: "memory", Time: now, Fields: map[string]interface{}{"value": 2.0}},
},
},
p: []models.Point{
models.MustNewPoint("cpu", map[string]string{"day": "monday", "region": "useast"}, map[string]interface{}{"value": 1.0}, now),
models.MustNewPoint("memory", map[string]string{"day": "monday"}, map[string]interface{}{"value": 2.0}, now),
},
},
}
for _, test := range tests {
t.Logf("running test %q", test.name)
p, e := httpd.NormalizeBatchPoints(test.bp)
if test.err == "" && e != nil {
t.Errorf("unexpected error %v", e)
} else if test.err != "" && e == nil {
t.Errorf("expected error %s, got <nil>", test.err)
} else if e != nil && test.err != e.Error() {
t.Errorf("unexpected error. expected: %s, got %v", test.err, e)
}
if !reflect.DeepEqual(p, test.p) {
t.Logf("expected: %+v", test.p)
t.Logf("got: %+v", p)
t.Error("failed to normalize.")
}
}
}
// NewHandler represents a test wrapper for httpd.Handler.
type Handler struct {
*httpd.Handler
MetaClient HandlerMetaStore
QueryExecutor HandlerQueryExecutor
TSDBStore HandlerTSDBStore
}
// NewHandler returns a new instance of Handler.
func NewHandler(requireAuthentication bool) *Handler {
statMap := influxdb.NewStatistics("httpd", "httpd", nil)
h := &Handler{
Handler: httpd.NewHandler(requireAuthentication, true, false, statMap),
}
h.Handler.MetaClient = &h.MetaClient
h.Handler.QueryExecutor = &h.QueryExecutor
h.Handler.Version = "0.0.0"
return h
}
// HandlerMetaStore is a mock implementation of Handler.MetaClient.
type HandlerMetaStore struct {
PingFn func(d time.Duration) error
DatabaseFn func(name string) (*meta.DatabaseInfo, error)
AuthenticateFn func(username, password string) (ui *meta.UserInfo, err error)
UsersFn func() []meta.UserInfo
}
func (s *HandlerMetaStore) Ping(b bool) error {
if s.PingFn == nil {
// Default behaviour is to assume there is a leader.
return nil
}
return s.Ping(b)
}
func (s *HandlerMetaStore) Database(name string) (*meta.DatabaseInfo, error) {
return s.DatabaseFn(name)
}
func (s *HandlerMetaStore) Authenticate(username, password string) (ui *meta.UserInfo, err error) {
return s.AuthenticateFn(username, password)
}
func (s *HandlerMetaStore) Users() []meta.UserInfo {
return s.UsersFn()
}
// HandlerQueryExecutor is a mock implementation of Handler.QueryExecutor.
type HandlerQueryExecutor struct {
AuthorizeFn func(u *meta.UserInfo, q *influxql.Query, db string) error
ExecuteQueryFn func(q *influxql.Query, db string, chunkSize int, closing chan struct{}) (<-chan *influxql.Result, error)
}
func (e *HandlerQueryExecutor) Authorize(u *meta.UserInfo, q *influxql.Query, db string) error {
return e.AuthorizeFn(u, q, db)
}
func (e *HandlerQueryExecutor) ExecuteQuery(q *influxql.Query, db string, chunkSize int, closing chan struct{}) (<-chan *influxql.Result, error) {
return e.ExecuteQueryFn(q, db, chunkSize, closing)
}
// HandlerTSDBStore is a mock implementation of Handler.TSDBStore
type HandlerTSDBStore struct {
CreateMapperFn func(shardID uint64, query string, chunkSize int) (tsdb.Mapper, error)
}
func (h *HandlerTSDBStore) CreateMapper(shardID uint64, query string, chunkSize int) (tsdb.Mapper, error) {
return h.CreateMapperFn(shardID, query, chunkSize)
}
// MustNewRequest returns a new HTTP request. Panic on error.
func MustNewRequest(method, urlStr string, body io.Reader) *http.Request {
r, err := http.NewRequest(method, urlStr, body)
if err != nil {
panic(err.Error())
}
return r
}
// MustNewRequest returns a new HTTP request with the content type set. Panic on error.
func MustNewJSONRequest(method, urlStr string, body io.Reader) *http.Request {
r := MustNewRequest(method, urlStr, body)
r.Header.Set("Content-Type", "application/json")
return r
}
// matchRegex returns true if a s matches pattern.
func matchRegex(pattern, s string) bool {
return regexp.MustCompile(pattern).MatchString(s)
}
// NewResultChan returns a channel that sends all results and then closes.
func NewResultChan(results ...*influxql.Result) <-chan *influxql.Result {
ch := make(chan *influxql.Result, len(results))
for _, r := range results {
ch <- r
}
close(ch)
return ch
}
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