249 lines
7.0 KiB
Go
249 lines
7.0 KiB
Go
package cratedb
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import (
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"database/sql"
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"fmt"
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"strings"
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"testing"
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"time"
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"github.com/influxdata/telegraf"
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"github.com/influxdata/telegraf/config"
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"github.com/influxdata/telegraf/metric"
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"github.com/influxdata/telegraf/testutil"
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"github.com/stretchr/testify/require"
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"github.com/testcontainers/testcontainers-go/wait"
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)
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func createTestContainer(t *testing.T) testutil.Container {
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container := testutil.Container{
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Image: "crate",
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ExposedPorts: []string{"5432"},
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Entrypoint: []string{
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"/docker-entrypoint.sh",
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"-Cdiscovery.type=single-node",
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},
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WaitingFor: wait.ForListeningPort("5432/tcp"),
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}
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err := container.Start()
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require.NoError(t, err, "failed to start container")
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return container
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}
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func TestConnectAndWriteIntegration(t *testing.T) {
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if testing.Short() {
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t.Skip("Skipping integration test in short mode")
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}
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container := createTestContainer(t)
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defer func() {
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require.NoError(t, container.Terminate(), "terminating container failed")
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}()
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url := fmt.Sprintf("postgres://crate@%s:%s/test", container.Address, container.Port)
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table := "testing"
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db, err := sql.Open("pgx", url)
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require.NoError(t, err)
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defer db.Close()
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c := &CrateDB{
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URL: url,
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Table: table,
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Timeout: config.Duration(time.Second * 5),
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TableCreate: true,
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}
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metrics := testutil.MockMetrics()
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require.NoError(t, c.Connect())
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require.NoError(t, c.Write(metrics))
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// The code below verifies that the metrics were written. We have to select
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// the rows using their primary keys in order to take advantage of
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// read-after-write consistency in CrateDB.
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for _, m := range metrics {
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hashIDVal, err := escapeValue(hashID(m), "_")
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require.NoError(t, err)
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timestamp, err := escapeValue(m.Time(), "_")
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require.NoError(t, err)
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var id int64
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row := db.QueryRow(
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"SELECT hash_id FROM " + escapeString(table, `"`) + " " +
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"WHERE hash_id = " + hashIDVal + " " +
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"AND timestamp = " + timestamp,
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)
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require.NoError(t, row.Scan(&id))
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// We could check the whole row, but this is meant to be more of a smoke
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// test, so just checking the HashID seems fine.
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require.Equal(t, id, hashID(m))
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}
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require.NoError(t, c.Close())
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}
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func Test_insertSQL(t *testing.T) {
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tests := []struct {
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Metrics []telegraf.Metric
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Want string
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}{
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{
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Metrics: testutil.MockMetrics(),
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Want: strings.TrimSpace(`
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INSERT INTO my_table ("hash_id", "timestamp", "name", "tags", "fields")
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VALUES
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(-4023501406646044814, '2009-11-10T23:00:00+0000', 'test1', {"tag1" = 'value1'}, {"value" = 1});
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`),
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},
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}
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for _, test := range tests {
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if got, err := insertSQL("my_table", "_", test.Metrics); err != nil {
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t.Error(err)
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} else if got != test.Want {
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t.Errorf("got:\n%s\n\nwant:\n%s", got, test.Want)
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}
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}
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}
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type escapeValueTest struct {
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Value interface{}
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Want string
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}
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func escapeValueTests() []escapeValueTest {
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return []escapeValueTest{
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// string
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{`foo`, `'foo'`},
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{`foo'bar 'yeah`, `'foo''bar ''yeah'`},
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// int types
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{int64(123), `123`},
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{uint64(123), `123`},
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{uint64(MaxInt64) + 1, `9223372036854775807`},
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{true, `true`},
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{false, `false`},
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// float types
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{float64(123.456), `123.456`},
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// time.Time
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{time.Date(2017, 8, 7, 16, 44, 52, 123*1000*1000, time.FixedZone("Dreamland", 5400)), `'2017-08-07T16:44:52.123+0130'`},
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// map[string]string
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{map[string]string{}, `{}`},
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{map[string]string(nil), `{}`},
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{map[string]string{"foo": "bar"}, `{"foo" = 'bar'}`},
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{map[string]string{"foo": "bar", "one": "more"}, `{"foo" = 'bar', "one" = 'more'}`},
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{map[string]string{"f.oo": "bar", "o.n.e": "more"}, `{"f_oo" = 'bar', "o_n_e" = 'more'}`},
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// map[string]interface{}
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{map[string]interface{}{}, `{}`},
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{map[string]interface{}(nil), `{}`},
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{map[string]interface{}{"foo": "bar"}, `{"foo" = 'bar'}`},
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{map[string]interface{}{"foo": "bar", "one": "more"}, `{"foo" = 'bar', "one" = 'more'}`},
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{map[string]interface{}{"foo": map[string]interface{}{"one": "more"}}, `{"foo" = {"one" = 'more'}}`},
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{map[string]interface{}{`fo"o`: `b'ar`, `ab'c`: `xy"z`, `on"""e`: `mo'''re`}, `{"ab'c" = 'xy"z', "fo""o" = 'b''ar', "on""""""e" = 'mo''''''re'}`},
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}
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}
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func Test_escapeValueIntegration(t *testing.T) {
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if testing.Short() {
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t.Skip("Skipping integration test in short mode")
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}
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container := createTestContainer(t)
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defer func() {
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require.NoError(t, container.Terminate(), "terminating container failed")
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}()
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url := fmt.Sprintf("postgres://crate@%s:%s/test", container.Address, container.Port)
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db, err := sql.Open("pgx", url)
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require.NoError(t, err)
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defer db.Close()
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tests := escapeValueTests()
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for _, test := range tests {
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got, err := escapeValue(test.Value, "_")
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require.NoError(t, err, "value: %#v", test.Value)
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// This is a smoke test that will blow up if our escaping causing a SQL
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// syntax error, which may allow for an attack.=
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var reply interface{}
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row := db.QueryRow("SELECT " + got)
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require.NoError(t, row.Scan(&reply))
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}
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}
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func Test_escapeValue(t *testing.T) {
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tests := escapeValueTests()
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for _, test := range tests {
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got, err := escapeValue(test.Value, "_")
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require.NoError(t, err, "value: %#v", test.Value)
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require.Equal(t, got, test.Want)
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}
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}
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func Test_circumeventingStringEscape(t *testing.T) {
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value, err := escapeObject(map[string]interface{}{"a.b": "c"}, `_"`)
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require.NoError(t, err)
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require.Equal(t, value, `{"a_""b" = 'c'}`)
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}
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func Test_hashID(t *testing.T) {
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tests := []struct {
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Name string
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Tags map[string]string
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Fields map[string]interface{}
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Want int64
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}{
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{
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Name: "metric1",
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Tags: map[string]string{"tag1": "val1", "tag2": "val2"},
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Fields: map[string]interface{}{"field1": "val1", "field2": "val2"},
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Want: 8973971082006474188,
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},
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// This metric has a different tag order (in a perhaps non-ideal attempt to
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// trigger different pseudo-random map iteration)) and fields (none)
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// compared to the previous metric, but should still get the same hash.
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{
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Name: "metric1",
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Tags: map[string]string{"tag2": "val2", "tag1": "val1"},
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Fields: map[string]interface{}{"field3": "val3"},
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Want: 8973971082006474188,
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},
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// Different metric name -> different hash
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{
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Name: "metric2",
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Tags: map[string]string{"tag1": "val1", "tag2": "val2"},
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Fields: map[string]interface{}{"field1": "val1", "field2": "val2"},
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Want: 306487682448261783,
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},
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// Different tag val -> different hash
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{
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Name: "metric1",
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Tags: map[string]string{"tag1": "new-val", "tag2": "val2"},
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Fields: map[string]interface{}{"field1": "val1", "field2": "val2"},
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Want: 1938713695181062970,
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},
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// Different tag key -> different hash
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{
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Name: "metric1",
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Tags: map[string]string{"new-key": "val1", "tag2": "val2"},
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Fields: map[string]interface{}{"field1": "val1", "field2": "val2"},
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Want: 7678889081527706328,
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},
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}
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for i, test := range tests {
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m := metric.New(
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test.Name,
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test.Tags,
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test.Fields,
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time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC),
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)
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if got := hashID(m); got != test.Want {
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t.Errorf("test #%d: got=%d want=%d", i, got, test.Want)
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}
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}
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}
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