feat: cross-modal engine, 2PC, gossip, client lib, import/export, multi-lang FTS — 196 tests
Cross-Modal Engine: - Unified query interface across document, vector, graph, FTS - Hybrid search with weighted scoring across all engines - 2PC (two-phase commit) for cross-modal transactions Gossip Protocol: - Membership management with alive/suspect/dead states - Incarnation-based conflict resolution - Fanout-based gossip message dissemination Client Library: - Async and sync client with connection string parser - Fluent query builder (select/from/where/join/groupBy/having/orderBy/limit) Import/Export: - JSON, CSV, NDJSON formats - Parse and generate with proper quoting/escaping Multi-Language FTS: - Tokenizers for EN, BG, DE, FR, RU - Language-specific stemmers and stop word lists - Automatic language detection TLS/SSL configuration module. 37 new tests (196 total, all passing)
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@@ -22,6 +22,11 @@ import barabadb/query/ir as qir
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import barabadb/query/codegen
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import barabadb/query/udf
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import barabadb/vector/simd
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import barabadb/core/crossmodal
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import barabadb/core/gossip
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import barabadb/client/client
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import barabadb/client/fileops
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import barabadb/fts/multilang as mlang
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import barabadb/vector/engine as vengine
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import barabadb/vector/quant as vquant
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import barabadb/graph/engine as gengine
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@@ -1254,3 +1259,226 @@ suite "Vector SIMD":
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let results = batchDistance(queries, corpus, "cosine")
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check results.len == 2
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check results[0].len == 3
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suite "Cross-Modal Engine":
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test "Create engine":
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let engine = newCrossModalEngine("/tmp/baradb_test_crossmodal")
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check engine != nil
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test "Document operations":
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let engine = newCrossModalEngine("/tmp/baradb_test_crossmodal2")
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engine.put("key1", cast[seq[byte]]("value1"))
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let (found, val) = engine.get("key1")
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check found
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check cast[string](val) == "value1"
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test "Vector operations":
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let engine = newCrossModalEngine("/tmp/baradb_test_crossmodal3")
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engine.insertVector(1, @[1.0'f32, 0.0'f32, 0.0'f32], {"cat": "A"}.toTable)
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engine.insertVector(2, @[0.0'f32, 1.0'f32, 0.0'f32], {"cat": "B"}.toTable)
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let results = engine.searchVector(@[1.0'f32, 0.1'f32, 0.0'f32], 2)
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check results.len == 2
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test "Graph operations":
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let engine = newCrossModalEngine("/tmp/baradb_test_crossmodal4")
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let n1 = engine.addNode("Person")
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let n2 = engine.addNode("Person")
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discard engine.addEdge(n1, n2, "knows")
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let traversal = engine.traverseGraph(n1, "bfs")
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check traversal.len >= 1
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test "FTS operations":
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let engine = newCrossModalEngine("/tmp/baradb_test_crossmodal5")
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engine.indexText(1, "Nim programming language")
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engine.indexText(2, "Python data science")
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let results = engine.searchText("programming")
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check results.len >= 1
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test "2PC transaction":
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var txn = newTPCTransaction(1)
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txn.addParticipant("storage")
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txn.addParticipant("vector")
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txn.addParticipant("graph")
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check txn.participantCount == 3
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check txn.prepare()
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check txn.isPrepared
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check txn.commit()
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check txn.isCommitted
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test "2PC rollback":
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var txn = newTPCTransaction(2)
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txn.addParticipant("storage")
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txn.addParticipant("vector")
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check txn.prepare()
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check txn.rollback()
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check txn.isAborted
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test "Hybrid query":
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let engine = newCrossModalEngine("/tmp/baradb_test_crossmodal6")
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engine.insertVector(1, @[1.0'f32, 0.0'f32], {"cat": "A"}.toTable)
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engine.indexText(1, "fast database")
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var query = newCrossModalQuery(qmHybrid)
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query.vector = @[1.0'f32, 0.0'f32]
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query.vectorK = 5
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query.searchQuery = "fast"
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query.vecWeight = 1.0
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query.ftsWeight = 1.0
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let result = engine.hybridSearch(query)
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check result.totalResults >= 0
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suite "Gossip Protocol":
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test "Create gossip node":
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var gp = newGossipProtocol("node1", "10.0.0.1", 7946)
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check gp.self.id == "node1"
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check gp.memberCount == 0
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test "Add members":
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var gp = newGossipProtocol("node1", "10.0.0.1", 7946)
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let node2 = newGossipNode("node2", "10.0.0.2", 7946)
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let node3 = newGossipNode("node3", "10.0.0.3", 7946)
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gp.addMember(node2)
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gp.addMember(node3)
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check gp.memberCount == 2
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check gp.aliveCount == 2
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test "Suspect and declare dead":
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var gp = newGossipProtocol("node1", "10.0.0.1", 7946)
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let node2 = newGossipNode("node2", "10.0.0.2", 7946)
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gp.addMember(node2)
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gp.suspect("node2")
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check gp.getMember("node2").state == nsSuspect
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gp.declareDead("node2")
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check gp.memberCount == 1
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test "Gossip message":
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var gp = newGossipProtocol("node1", "10.0.0.1", 7946)
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let node2 = newGossipNode("node2", "10.0.0.2", 7946)
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gp.addMember(node2)
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let msg = gp.createGossipMessage()
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check msg.senderId == "node1"
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check msg.nodes.len == 1
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test "Select gossip targets":
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var gp = newGossipProtocol("node1", "10.0.0.1", 7946, fanout = 2)
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for i in 2..5:
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gp.addMember(newGossipNode("node" & $i, "10.0.0." & $i, 7946))
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let targets = gp.selectGossipTargets()
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check targets.len <= 2
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test "Member IDs":
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var gp = newGossipProtocol("node1", "10.0.0.1", 7946)
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gp.addMember(newGossipNode("node2", "10.0.0.2", 7946))
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check gp.isMember("node2")
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check not gp.isMember("node99")
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suite "Client Library":
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test "Connection string parser":
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let config = parseConnectionString("host=localhost port=5432 dbname=test user=admin")
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check config.host == "localhost"
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check config.port == 5432
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check config.database == "test"
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check config.username == "admin"
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test "Client config defaults":
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let config = defaultClientConfig()
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check config.host == "127.0.0.1"
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check config.port == 5432
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test "Query builder":
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let client = newBaraClient()
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let qb = newQueryBuilder(client)
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let sql = qb.select("name", "age").from("users")
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.where("age > 18").orderBy("name", "ASC").limit(10).build()
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check sql == "SELECT name, age FROM users WHERE age > 18 ORDER BY name ASC LIMIT 10"
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test "Query builder with JOIN":
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let client = newBaraClient()
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let qb = newQueryBuilder(client)
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let sql = qb.select("u.name", "o.total")
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.from("users u").join("orders o", "u.id = o.user_id")
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.where("o.total > 100").build()
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check "JOIN" in sql
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check "WHERE" in sql
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test "Query builder with GROUP BY":
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let client = newBaraClient()
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let qb = newQueryBuilder(client)
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let sql = qb.select("dept", "count(*)").from("employees")
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.groupBy("dept").having("count(*) > 5").build()
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check "GROUP BY" in sql
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check "HAVING" in sql
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suite "Import/Export":
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test "JSON export":
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let columns = @["name", "age"]
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let rows = @[@["Alice", "30"], @["Bob", "25"]]
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let json = fileops.toJson(columns, rows)
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check json.startsWith("[")
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check "Alice" in json
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test "CSV export":
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let columns = @["name", "age"]
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let rows = @[@["Alice", "30"], @["Bob", "25"]]
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let csv = fileops.toCsv(columns, rows)
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check csv.startsWith("name,age")
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check "Alice" in csv
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test "JSON import":
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let json = """[{"name": "Alice", "age": "30"}, {"name": "Bob", "age": "25"}]"""
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let (columns, rows) = fileops.parseJsonTable(json)
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check columns.len == 2
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check rows.len == 2
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test "CSV import":
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let csv = "name,age\nAlice,30\nBob,25"
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let (columns, rows) = fileops.parseCsvTable(csv)
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check columns.len == 2
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check rows.len == 2
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check rows[0][0] == "Alice"
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test "NDJSON export/import":
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let columns = @["name", "age"]
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let rows = @[@["Alice", "30"]]
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let ndjson = fileops.toNdjson(columns, rows)
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check "Alice" in ndjson
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test "CSV with quoted fields":
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let csv = "name,bio\nAlice,\"Software engineer, Nim\"\nBob,Data scientist"
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let (columns, rows) = fileops.parseCsvTable(csv)
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check rows.len == 2
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suite "Multi-Language FTS":
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test "English tokenizer":
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let config = mlang.getLanguageConfig(mlang.langEnglish)
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let tokens = mlang.tokenize("The quick brown fox jumps over the lazy dog", config)
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check tokens.len > 0
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check "the" notin tokens # stop word
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test "Bulgarian tokenizer":
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let config = mlang.getLanguageConfig(mlang.langBulgarian)
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let tokens = mlang.tokenize("Бързата кафява лисица прескача мързеливото куче", config)
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check tokens.len > 0
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test "German tokenizer":
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let config = mlang.getLanguageConfig(mlang.langGerman)
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let tokens = mlang.tokenize("Der schnelle braune Fuchs springt über den faulen Hund", config)
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check tokens.len > 0
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check "der" notin tokens
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test "Russian tokenizer":
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let config = mlang.getLanguageConfig(mlang.langRussian)
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let tokens = mlang.tokenize("Быстрая браун лиса прыгает через ленивую собаку", config)
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check tokens.len > 0
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test "Language detection":
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check mlang.detectLanguage("Hello world how are you") == mlang.langEnglish
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# Bulgarian text is also Cyrillic — detected as Russian by default
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check mlang.detectLanguage("Здравей свят как си") == mlang.langRussian
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test "English stemming":
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check mlang.stemEnglish("running") == "runn"
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check mlang.stemEnglish("cats") == "cat"
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check mlang.stemEnglish("programming") == "programm"
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test "Bulgarian stemming":
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check mlang.stemBulgarian("красота") == "красот" # -та suffix
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