156 lines
3.0 KiB
Go
156 lines
3.0 KiB
Go
package querylog
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import (
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"io"
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"testing"
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"time"
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"github.com/AdguardTeam/golibs/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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// newTestQLogReader creates new *qLogReader for tests and registers the
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// required cleanup functions.
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func newTestQLogReader(t *testing.T, filesNum, linesNum int) (reader *qLogReader) {
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t.Helper()
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testFiles := prepareTestFiles(t, filesNum, linesNum)
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// Create the new qLogReader instance.
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reader, err := newQLogReader(testFiles)
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require.NoError(t, err)
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assert.NotNil(t, reader)
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testutil.CleanupAndRequireSuccess(t, reader.Close)
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return reader
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}
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func TestQLogReader(t *testing.T) {
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testCases := []struct {
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name string
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filesNum int
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linesNum int
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}{{
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name: "empty",
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filesNum: 0,
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linesNum: 0,
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}, {
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name: "one_file",
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filesNum: 1,
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linesNum: 10,
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}, {
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name: "multiple_files",
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filesNum: 5,
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linesNum: 10000,
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}}
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for _, tc := range testCases {
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t.Run(tc.name, func(t *testing.T) {
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r := newTestQLogReader(t, tc.filesNum, tc.linesNum)
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// Seek to the start.
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err := r.SeekStart()
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require.NoError(t, err)
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// Read everything.
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var read int
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var line string
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for err == nil {
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line, err = r.ReadNext()
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if err == nil {
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assert.NotEmpty(t, line)
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read++
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}
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}
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require.Equal(t, io.EOF, err)
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assert.Equal(t, tc.filesNum*tc.linesNum, read)
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})
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}
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}
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func TestQLogReader_Seek(t *testing.T) {
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r := newTestQLogReader(t, 2, 10000)
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testCases := []struct {
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want error
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name string
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time string
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}{{
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name: "not_too_old",
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time: "2020-02-18T22:39:35.920973+03:00",
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want: nil,
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}, {
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name: "old",
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time: "2020-02-19T01:28:16.920973+03:00",
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want: nil,
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}, {
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name: "first",
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time: "2020-02-18T22:36:36.920973+03:00",
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want: nil,
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}, {
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name: "last",
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time: "2020-02-19T01:23:16.920973+03:00",
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want: nil,
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}, {
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name: "non-existent_long_ago",
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time: "2000-02-19T01:23:16.920973+03:00",
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want: errTSNotFound,
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}, {
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name: "non-existent_far_ahead",
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time: "2100-02-19T01:23:16.920973+03:00",
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want: nil,
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}, {
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name: "non-existent_but_could",
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time: "2020-02-18T22:36:37.000000+03:00",
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want: errTSNotFound,
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}}
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for _, tc := range testCases {
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t.Run(tc.name, func(t *testing.T) {
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ts, err := time.Parse(time.RFC3339Nano, tc.time)
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require.NoError(t, err)
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err = r.seekTS(ts.UnixNano())
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assert.ErrorIs(t, err, tc.want)
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})
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}
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}
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func TestQLogReader_ReadNext(t *testing.T) {
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const linesNum = 10
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const filesNum = 1
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r := newTestQLogReader(t, filesNum, linesNum)
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testCases := []struct {
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want error
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name string
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start int
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}{{
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name: "ok",
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start: 0,
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want: nil,
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}, {
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name: "too_big",
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start: linesNum + 1,
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want: io.EOF,
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}}
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for _, tc := range testCases {
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t.Run(tc.name, func(t *testing.T) {
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err := r.SeekStart()
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require.NoError(t, err)
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for i := 1; i < tc.start; i++ {
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_, err = r.ReadNext()
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require.NoError(t, err)
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}
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_, err = r.ReadNext()
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assert.Equal(t, tc.want, err)
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})
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}
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}
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