Files

308 lines
15 KiB
Swift

import XCTest
import GRDB
class FTS4TableBuilderTests: GRDBTestCase {
func testWithoutBody() throws {
let dbQueue = try makeDatabaseQueue()
try dbQueue.inDatabase { db in
try db.create(virtualTable: "documents", using: FTS4())
assertDidExecute(sql: "CREATE VIRTUAL TABLE \"documents\" USING fts4")
try db.execute(sql: "INSERT INTO documents VALUES (?)", arguments: ["abc"])
XCTAssertEqual(try Int.fetchOne(db, sql: "SELECT COUNT(*) FROM documents WHERE documents MATCH ?", arguments: ["abc"])!, 1)
}
}
func testOptions() throws {
let dbQueue = try makeDatabaseQueue()
try dbQueue.inDatabase { db in
try db.create(virtualTable: "documents", ifNotExists: true, using: FTS4())
assertDidExecute(sql: "CREATE VIRTUAL TABLE IF NOT EXISTS \"documents\" USING fts4")
try db.execute(sql: "INSERT INTO documents VALUES (?)", arguments: ["abc"])
XCTAssertEqual(try Int.fetchOne(db, sql: "SELECT COUNT(*) FROM documents WHERE documents MATCH ?", arguments: ["abc"])!, 1)
}
}
func testSimpleTokenizer() throws {
let dbQueue = try makeDatabaseQueue()
try dbQueue.inDatabase { db in
try db.create(virtualTable: "documents", using: FTS4()) { t in
t.tokenizer = .simple
}
assertDidExecute(sql: "CREATE VIRTUAL TABLE \"documents\" USING fts4(tokenize=simple)")
}
}
func testPorterTokenizer() throws {
let dbQueue = try makeDatabaseQueue()
try dbQueue.inDatabase { db in
try db.create(virtualTable: "documents", using: FTS4()) { t in
t.tokenizer = .porter
}
assertDidExecute(sql: "CREATE VIRTUAL TABLE \"documents\" USING fts4(tokenize=porter)")
}
}
func testUnicode61Tokenizer() throws {
let dbQueue = try makeDatabaseQueue()
try dbQueue.inDatabase { db in
try db.create(virtualTable: "documents", using: FTS4()) { t in
t.tokenizer = .unicode61()
}
assertDidExecute(sql: "CREATE VIRTUAL TABLE \"documents\" USING fts4(tokenize=unicode61)")
}
}
func testUnicode61TokenizerDiacriticsKeep() throws {
let dbQueue = try makeDatabaseQueue()
try dbQueue.inDatabase { db in
try db.create(virtualTable: "documents", using: FTS4()) { t in
t.tokenizer = .unicode61(diacritics: .keep)
}
assertDidExecute(sql: "CREATE VIRTUAL TABLE \"documents\" USING fts4(tokenize=unicode61 \"remove_diacritics=0\")")
}
}
// TODO: why only custom SQLite build?
#if GRDBCUSTOMSQLITE
func testUnicode61TokenizerDiacriticsRemove() throws {
let dbQueue = try makeDatabaseQueue()
try dbQueue.inDatabase { db in
try db.create(virtualTable: "documents", using: FTS4()) { t in
t.tokenizer = .unicode61(diacritics: .remove)
}
assertDidExecute(sql: "CREATE VIRTUAL TABLE \"documents\" USING fts4(tokenize=unicode61 \"remove_diacritics=2\")")
}
}
#endif
func testUnicode61TokenizerSeparators() throws {
let dbQueue = try makeDatabaseQueue()
try dbQueue.inDatabase { db in
try db.create(virtualTable: "documents", using: FTS4()) { t in
t.tokenizer = .unicode61(separators: ["X"])
}
assertDidExecute(sql: "CREATE VIRTUAL TABLE \"documents\" USING fts4(tokenize=unicode61 \"separators=X\")")
}
}
func testUnicode61TokenizerTokenCharacters() throws {
let dbQueue = try makeDatabaseQueue()
try dbQueue.inDatabase { db in
try db.create(virtualTable: "documents", using: FTS4()) { t in
t.tokenizer = .unicode61(tokenCharacters: Set(".-"))
}
assertDidExecute(sql: "CREATE VIRTUAL TABLE \"documents\" USING fts4(tokenize=unicode61 \"tokenchars=-.\")")
}
}
func testColumns() throws {
let dbQueue = try makeDatabaseQueue()
try dbQueue.inDatabase { db in
try db.create(virtualTable: "books", using: FTS4()) { t in
t.column("author")
t.column("title")
t.column("body")
}
assertDidExecute(sql: "CREATE VIRTUAL TABLE \"books\" USING fts4(author, title, body)")
try db.execute(sql: "INSERT INTO books VALUES (?, ?, ?)", arguments: ["Melville", "Moby Dick", "Call me Ishmael."])
XCTAssertEqual(try Int.fetchOne(db, sql: "SELECT COUNT(*) FROM books WHERE books MATCH ?", arguments: ["Melville"])!, 1)
XCTAssertEqual(try Int.fetchOne(db, sql: "SELECT COUNT(*) FROM books WHERE books MATCH ?", arguments: ["title:Melville"])!, 0)
XCTAssertEqual(try Int.fetchOne(db, sql: "SELECT COUNT(*) FROM books WHERE title MATCH ?", arguments: ["Melville"])!, 0)
XCTAssertEqual(try Int.fetchOne(db, sql: "SELECT COUNT(*) FROM books WHERE books MATCH ?", arguments: ["author:Melville"])!, 1)
XCTAssertEqual(try Int.fetchOne(db, sql: "SELECT COUNT(*) FROM books WHERE author MATCH ?", arguments: ["Melville"])!, 1)
}
}
func testNotIndexedColumns() throws {
let dbQueue = try makeDatabaseQueue()
try dbQueue.inDatabase { db in
try db.create(virtualTable: "books", using: FTS4()) { t in
t.column("author").notIndexed()
t.column("title")
t.column("body").notIndexed()
}
assertDidExecute(sql: "CREATE VIRTUAL TABLE \"books\" USING fts4(author, notindexed=author, title, body, notindexed=body)")
try db.execute(sql: "INSERT INTO books VALUES (?, ?, ?)", arguments: ["Melville", "Moby Dick", "Call me Ishmael."])
XCTAssertEqual(try Int.fetchOne(db, sql: "SELECT COUNT(*) FROM books WHERE books MATCH ?", arguments: ["Dick"])!, 1)
XCTAssertEqual(try Int.fetchOne(db, sql: "SELECT COUNT(*) FROM books WHERE books MATCH ?", arguments: ["title:Dick"])!, 1)
XCTAssertEqual(try Int.fetchOne(db, sql: "SELECT COUNT(*) FROM books WHERE title MATCH ?", arguments: ["Dick"])!, 1)
XCTAssertEqual(try Int.fetchOne(db, sql: "SELECT COUNT(*) FROM books WHERE books MATCH ?", arguments: ["author:Dick"])!, 0)
XCTAssertEqual(try Int.fetchOne(db, sql: "SELECT COUNT(*) FROM books WHERE author MATCH ?", arguments: ["Dick"])!, 0)
XCTAssertEqual(try Int.fetchOne(db, sql: "SELECT COUNT(*) FROM books WHERE books MATCH ?", arguments: ["Melville"])!, 0)
XCTAssertEqual(try Int.fetchOne(db, sql: "SELECT COUNT(*) FROM books WHERE books MATCH ?", arguments: ["title:Melville"])!, 0)
XCTAssertEqual(try Int.fetchOne(db, sql: "SELECT COUNT(*) FROM books WHERE title MATCH ?", arguments: ["Melville"])!, 0)
XCTAssertEqual(try Int.fetchOne(db, sql: "SELECT COUNT(*) FROM books WHERE books MATCH ?", arguments: ["author:Melville"])!, 0)
XCTAssertEqual(try Int.fetchOne(db, sql: "SELECT COUNT(*) FROM books WHERE author MATCH ?", arguments: ["Melville"])!, 0)
}
}
func testFTS4Options() throws {
let dbQueue = try makeDatabaseQueue()
try dbQueue.writeWithoutTransaction { db in
try db.create(virtualTable: "documents", using: FTS4()) { t in
t.content = ""
t.compress = "zip"
t.uncompress = "unzip"
t.matchinfo = "fts3"
t.prefixes = [2, 4]
t.column("content")
t.column("lid").asLanguageId()
}
assertDidExecute(sql: "CREATE VIRTUAL TABLE \"documents\" USING fts4(content, languageid=\"lid\", content=\"\", compress=\"zip\", uncompress=\"unzip\", matchinfo=\"fts3\", prefix=\"2,4\")")
try db.execute(sql: "INSERT INTO documents (docid, content, lid) VALUES (?, ?, ?)", arguments: [1, "abc", 0])
XCTAssertEqual(try Int.fetchOne(db, sql: "SELECT COUNT(*) FROM documents WHERE documents MATCH ? AND lid=0", arguments: ["abc"])!, 1)
XCTAssertEqual(try Int.fetchOne(db, sql: "SELECT COUNT(*) FROM documents WHERE documents MATCH ? AND lid=1", arguments: ["abc"])!, 0)
}
}
func testFTS4Synchronization() throws {
let dbQueue = try makeDatabaseQueue()
try dbQueue.inDatabase { db in
try db.create(table: "documents") { t in
t.primaryKey("id", .integer)
t.column("content", .text)
}
try db.execute(sql: "INSERT INTO documents (content) VALUES (?)", arguments: ["foo"])
try db.create(virtualTable: "ft_documents", using: FTS4()) { t in
t.synchronize(withTable: "documents")
t.column("content")
}
// Prepopulated
XCTAssertEqual(try Int.fetchOne(db, sql: "SELECT COUNT(*) FROM ft_documents WHERE ft_documents MATCH ?", arguments: ["foo"])!, 1)
XCTAssertEqual(try Int.fetchOne(db, sql: "SELECT COUNT(*) FROM ft_documents WHERE ft_documents MATCH ?", arguments: ["bar"])!, 0)
// Synchronized on update
try db.execute(sql: "UPDATE documents SET content = ?", arguments: ["bar"])
XCTAssertEqual(try Int.fetchOne(db, sql: "SELECT COUNT(*) FROM ft_documents WHERE ft_documents MATCH ?", arguments: ["foo"])!, 0)
XCTAssertEqual(try Int.fetchOne(db, sql: "SELECT COUNT(*) FROM ft_documents WHERE ft_documents MATCH ?", arguments: ["bar"])!, 1)
// Synchronized on insert
try db.execute(sql: "INSERT INTO documents (content) VALUES (?)", arguments: ["foo"])
XCTAssertEqual(try Int.fetchOne(db, sql: "SELECT COUNT(*) FROM ft_documents WHERE ft_documents MATCH ?", arguments: ["foo"])!, 1)
XCTAssertEqual(try Int.fetchOne(db, sql: "SELECT COUNT(*) FROM ft_documents WHERE ft_documents MATCH ?", arguments: ["bar"])!, 1)
// Synchronized on delete
try db.execute(sql: "DELETE FROM documents WHERE content = ?", arguments: ["foo"])
XCTAssertEqual(try Int.fetchOne(db, sql: "SELECT COUNT(*) FROM ft_documents WHERE ft_documents MATCH ?", arguments: ["foo"])!, 0)
XCTAssertEqual(try Int.fetchOne(db, sql: "SELECT COUNT(*) FROM ft_documents WHERE ft_documents MATCH ?", arguments: ["bar"])!, 1)
}
}
func testFTS4SynchronizationIfNotExists() throws {
let dbQueue = try makeDatabaseQueue()
try dbQueue.writeWithoutTransaction { db in
try db.create(table: "documents") { t in
t.primaryKey("id", .integer)
t.column("content", .text)
}
assertDidExecute(sql: "CREATE TABLE \"documents\" (\"id\" INTEGER PRIMARY KEY, \"content\" TEXT)")
try db.create(virtualTable: "ft_documents", ifNotExists: true, using: FTS4()) { t in
t.synchronize(withTable: "documents")
t.column("content")
}
assertDidExecute(sql: "CREATE VIRTUAL TABLE IF NOT EXISTS \"ft_documents\" USING fts4(content, content=\"documents\")")
assertDidExecute(sql: "CREATE TRIGGER IF NOT EXISTS \"__ft_documents_bu\" BEFORE UPDATE ON \"documents\" BEGIN\n DELETE FROM \"ft_documents\" WHERE docid=old.\"id\";\nEND")
}
}
func testFTS4SynchronizationCleanup() throws {
let dbQueue = try makeDatabaseQueue()
try dbQueue.inDatabase { db in
try db.create(table: "documents") { t in
t.primaryKey("id", .integer)
t.column("content", .text)
}
try db.execute(sql: "INSERT INTO documents (content) VALUES (?)", arguments: ["foo"])
try db.create(virtualTable: "ft_documents", using: FTS4()) { t in
t.synchronize(withTable: "documents")
t.column("content")
}
try db.drop(table: "ft_documents")
try db.dropFTS4SynchronizationTriggers(forTable: "ft_documents")
// It is possible to modify the content table
try db.execute(sql: "UPDATE documents SET content = ?", arguments: ["bar"])
try db.execute(sql: "INSERT INTO documents (content) VALUES (?)", arguments: ["foo"])
try db.execute(sql: "DELETE FROM documents WHERE content = ?", arguments: ["foo"])
// It is possible to recreate the FT table
try db.create(virtualTable: "ft_documents", using: FTS4()) { t in
t.synchronize(withTable: "documents")
t.column("content")
}
}
}
func testFTS4SynchronizationCleanupWithLegacySupport() throws {
let dbQueue = try makeDatabaseQueue()
try dbQueue.inDatabase { db in
try db.create(table: "documents") { t in
t.primaryKey("id", .integer)
t.column("content", .text)
}
try db.execute(sql: "INSERT INTO documents (content) VALUES (?)", arguments: ["foo"])
try db.create(virtualTable: "ft_documents", using: FTS4()) { t in
t.synchronize(withTable: "documents")
t.column("content")
}
try db.drop(table: "ft_documents")
try db.dropFTS4SynchronizationTriggers(forTable: "documents") // legacy GRDB <= 2.3.1
try db.dropFTS4SynchronizationTriggers(forTable: "ft_documents")
// It is possible to modify the content table
try db.execute(sql: "UPDATE documents SET content = ?", arguments: ["bar"])
try db.execute(sql: "INSERT INTO documents (content) VALUES (?)", arguments: ["foo"])
try db.execute(sql: "DELETE FROM documents WHERE content = ?", arguments: ["foo"])
// It is possible to recreate the FT table
try db.create(virtualTable: "ft_documents", using: FTS4()) { t in
t.synchronize(withTable: "documents")
t.column("content")
}
}
}
func testFTS4Compression() throws {
// Based on https://github.com/groue/GRDB.swift/issues/369
var compressCalled = false
var uncompressCalled = false
dbConfiguration.prepareDatabase { db in
db.add(function: DatabaseFunction("zipit", argumentCount: 1, pure: true, function: { dbValues in
compressCalled = true
return dbValues[0]
}))
db.add(function: DatabaseFunction("unzipit", argumentCount: 1, pure: true, function: { dbValues in
uncompressCalled = true
return dbValues[0]
}))
}
let dbPool = try makeDatabasePool()
try dbPool.write { db in
try db.create(virtualTable: "documents", using: FTS4()) { t in
t.compress = "zipit"
t.uncompress = "unzipit"
t.column("content")
}
assertDidExecute(sql: "CREATE VIRTUAL TABLE \"documents\" USING fts4(content, compress=\"zipit\", uncompress=\"unzipit\")")
try db.execute(sql: "INSERT INTO documents (content) VALUES (?)", arguments: ["abc"])
XCTAssertTrue(compressCalled)
}
try dbPool.read { db in
_ = try Row.fetchOne(db, sql: "SELECT * FROM documents")
XCTAssertTrue(uncompressCalled)
}
}
}