WIP Postgres message cache
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binwiederhier
254
server/message_cache_sqlite_test.go
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254
server/message_cache_sqlite_test.go
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package server
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import (
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"database/sql"
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"fmt"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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"testing"
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"time"
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)
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func TestSqliteCache_Migration_From0(t *testing.T) {
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filename := newSqliteTestCacheFile(t)
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db, err := sql.Open("sqlite3", filename)
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require.Nil(t, err)
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// Create "version 0" schema
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_, err = db.Exec(`
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BEGIN;
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CREATE TABLE IF NOT EXISTS messages (
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id VARCHAR(20) PRIMARY KEY,
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time INT NOT NULL,
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topic VARCHAR(64) NOT NULL,
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message VARCHAR(1024) NOT NULL
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);
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CREATE INDEX IF NOT EXISTS idx_topic ON messages (topic);
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COMMIT;
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`)
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require.Nil(t, err)
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// Insert a bunch of messages
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for i := 0; i < 10; i++ {
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_, err = db.Exec(`INSERT INTO messages (id, time, topic, message) VALUES (?, ?, ?, ?)`,
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fmt.Sprintf("abcd%d", i), time.Now().Unix(), "mytopic", fmt.Sprintf("some message %d", i))
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require.Nil(t, err)
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}
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require.Nil(t, db.Close())
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// Create cache to trigger migration
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c := newSqliteTestCacheFromFile(t, filename, "")
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checkSchemaVersion(t, c.db)
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messages, err := c.Messages("mytopic", sinceAllMessages, false)
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require.Nil(t, err)
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require.Equal(t, 10, len(messages))
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require.Equal(t, "some message 5", messages[5].Message)
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require.Equal(t, "", messages[5].Title)
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require.Nil(t, messages[5].Tags)
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require.Equal(t, 0, messages[5].Priority)
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}
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func TestSqliteCache_Migration_From1(t *testing.T) {
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filename := newSqliteTestCacheFile(t)
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db, err := sql.Open("sqlite3", filename)
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require.Nil(t, err)
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// Create "version 1" schema
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_, err = db.Exec(`
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CREATE TABLE IF NOT EXISTS messages (
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id VARCHAR(20) PRIMARY KEY,
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time INT NOT NULL,
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topic VARCHAR(64) NOT NULL,
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message VARCHAR(512) NOT NULL,
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title VARCHAR(256) NOT NULL,
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priority INT NOT NULL,
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tags VARCHAR(256) NOT NULL
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);
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CREATE INDEX IF NOT EXISTS idx_topic ON messages (topic);
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CREATE TABLE IF NOT EXISTS schemaVersion (
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id INT PRIMARY KEY,
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version INT NOT NULL
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);
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INSERT INTO schemaVersion (id, version) VALUES (1, 1);
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`)
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require.Nil(t, err)
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// Insert a bunch of messages
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for i := 0; i < 10; i++ {
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_, err = db.Exec(`INSERT INTO messages (id, time, topic, message, title, priority, tags) VALUES (?, ?, ?, ?, ?, ?, ?)`,
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fmt.Sprintf("abcd%d", i), time.Now().Unix(), "mytopic", fmt.Sprintf("some message %d", i), "", 0, "")
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require.Nil(t, err)
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}
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require.Nil(t, db.Close())
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// Create cache to trigger migration
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c := newSqliteTestCacheFromFile(t, filename, "")
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checkSchemaVersion(t, c.db)
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// Add delayed message
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delayedMessage := newDefaultMessage("mytopic", "some delayed message")
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delayedMessage.Time = time.Now().Add(time.Minute).Unix()
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require.Nil(t, c.AddMessage(delayedMessage))
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// 10, not 11!
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messages, err := c.Messages("mytopic", sinceAllMessages, false)
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require.Nil(t, err)
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require.Equal(t, 10, len(messages))
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// 11!
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messages, err = c.Messages("mytopic", sinceAllMessages, true)
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require.Nil(t, err)
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require.Equal(t, 11, len(messages))
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}
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func TestSqliteCache_Migration_From9(t *testing.T) {
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// This primarily tests the awkward migration that introduces the "expires" column.
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// The migration logic has to update the column, using the existing "cache-duration" value.
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filename := newSqliteTestCacheFile(t)
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db, err := sql.Open("sqlite3", filename)
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require.Nil(t, err)
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// Create "version 8" schema
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_, err = db.Exec(`
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BEGIN;
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CREATE TABLE IF NOT EXISTS messages (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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mid TEXT NOT NULL,
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time INT NOT NULL,
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topic TEXT NOT NULL,
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message TEXT NOT NULL,
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title TEXT NOT NULL,
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priority INT NOT NULL,
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tags TEXT NOT NULL,
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click TEXT NOT NULL,
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icon TEXT NOT NULL,
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actions TEXT NOT NULL,
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attachment_name TEXT NOT NULL,
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attachment_type TEXT NOT NULL,
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attachment_size INT NOT NULL,
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attachment_expires INT NOT NULL,
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attachment_url TEXT NOT NULL,
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sender TEXT NOT NULL,
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encoding TEXT NOT NULL,
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published INT NOT NULL
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);
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CREATE INDEX IF NOT EXISTS idx_mid ON messages (mid);
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CREATE INDEX IF NOT EXISTS idx_time ON messages (time);
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CREATE INDEX IF NOT EXISTS idx_topic ON messages (topic);
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CREATE TABLE IF NOT EXISTS schemaVersion (
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id INT PRIMARY KEY,
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version INT NOT NULL
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);
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INSERT INTO schemaVersion (id, version) VALUES (1, 9);
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COMMIT;
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`)
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require.Nil(t, err)
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// Insert a bunch of messages
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insertQuery := `
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INSERT INTO messages (mid, time, topic, message, title, priority, tags, click, icon, actions, attachment_name, attachment_type, attachment_size, attachment_expires, attachment_url, sender, encoding, published)
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VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
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`
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for i := 0; i < 10; i++ {
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_, err = db.Exec(
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insertQuery,
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fmt.Sprintf("abcd%d", i),
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time.Now().Unix(),
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"mytopic",
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fmt.Sprintf("some message %d", i),
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"", // title
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0, // priority
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"", // tags
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"", // click
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"", // icon
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"", // actions
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"", // attachment_name
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"", // attachment_type
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0, // attachment_size
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0, // attachment_type
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"", // attachment_url
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"9.9.9.9", // sender
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"", // encoding
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1, // published
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)
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require.Nil(t, err)
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}
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// Create cache to trigger migration
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cacheDuration := 17 * time.Hour
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c, err := newSqliteMessageCache(filename, "", cacheDuration, 0, 0, false)
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require.Nil(t, err)
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checkSchemaVersion(t, c.db)
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// Check version
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rows, err := db.Query(`SELECT version FROM main.schemaVersion WHERE id = 1`)
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require.Nil(t, err)
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require.True(t, rows.Next())
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var version int
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require.Nil(t, rows.Scan(&version))
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require.Equal(t, currentSchemaVersion, version)
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messages, err := c.Messages("mytopic", sinceAllMessages, false)
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require.Nil(t, err)
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require.Equal(t, 10, len(messages))
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for _, m := range messages {
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require.True(t, m.Expires > time.Now().Add(cacheDuration-5*time.Second).Unix())
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require.True(t, m.Expires < time.Now().Add(cacheDuration+5*time.Second).Unix())
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}
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}
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func TestSqliteCache_StartupQueries_WAL(t *testing.T) {
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filename := newSqliteTestCacheFile(t)
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startupQueries := `pragma journal_mode = WAL;
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pragma synchronous = normal;
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pragma temp_store = memory;`
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db, err := newSqliteMessageCache(filename, startupQueries, time.Hour, 0, 0, false)
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require.Nil(t, err)
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require.Nil(t, db.AddMessage(newDefaultMessage("mytopic", "some message")))
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require.FileExists(t, filename)
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require.FileExists(t, filename+"-wal")
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require.FileExists(t, filename+"-shm")
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}
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func TestSqliteCache_StartupQueries_None(t *testing.T) {
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filename := newSqliteTestCacheFile(t)
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startupQueries := ""
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db, err := newSqliteMessageCache(filename, startupQueries, time.Hour, 0, 0, false)
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require.Nil(t, err)
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require.Nil(t, db.AddMessage(newDefaultMessage("mytopic", "some message")))
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require.FileExists(t, filename)
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require.NoFileExists(t, filename+"-wal")
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require.NoFileExists(t, filename+"-shm")
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}
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func TestSqliteCache_StartupQueries_Fail(t *testing.T) {
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filename := newSqliteTestCacheFile(t)
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startupQueries := `xx error`
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_, err := newSqliteMessageCache(filename, startupQueries, time.Hour, 0, 0, false)
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require.Error(t, err)
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}
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func TestMemCache_NopCache(t *testing.T) {
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c, _ := newNopCache()
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assert.Nil(t, c.AddMessage(newDefaultMessage("mytopic", "my message")))
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messages, err := c.Messages("mytopic", sinceAllMessages, false)
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assert.Nil(t, err)
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assert.Empty(t, messages)
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topics, err := c.Topics()
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assert.Nil(t, err)
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assert.Empty(t, topics)
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}
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func checkSchemaVersion(t *testing.T, db *sql.DB) {
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rows, err := db.Query(`SELECT version FROM schemaVersion`)
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require.Nil(t, err)
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require.True(t, rows.Next())
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var schemaVersion int
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require.Nil(t, rows.Scan(&schemaVersion))
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require.Equal(t, currentSchemaVersion, schemaVersion)
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require.Nil(t, rows.Close())
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}
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