unit test for create table statment

Author: patrick-zippenfenig

Sources/ClickHouseVapor/ClickHouseEngine.swift

@@ -77,9 +77,9 @@ public struct ClickHouseEngineReplacingMergeTree: ClickHouseEngine {
         PRIMARY KEY (\(ids.joined(separator: ",")))
         """
         if let partitionBy = partitionBy {
-          query += "PARTITION BY (\(partitionBy))"
+          query += " PARTITION BY (\(partitionBy))"
         }
-        query += "ORDER BY (\(order.joined(separator: ",")))"
+        query += " ORDER BY (\(order.joined(separator: ",")))"
         return query
     }
 }

Tests/ClickHouseVaporTests/ClickHouseVaporTests.swift

@@ -78,6 +78,13 @@ final class ClickHouseVaporTests: XCTestCase {
         model.fixed = [ "", "123456", "12345678901234" ]
         model.timestamp = [ 100, 200, 300 ]
         model.temperature = [ 11.1, 10.4, 8.9 ]
+        
+        let createQuery = TestModel.engine.createTableQuery(columns: model.properties)
+        XCTAssertEqual(createQuery, """
+            CREATE TABLE IF NOT EXISTS `test`  (timestamp Int64,stationID LowCardinality(String),fixed LowCardinality(FixedString(10)),temperature Float32)
+            ENGINE = ReplacingMergeTree()
+            PRIMARY KEY (timestamp,stationID) PARTITION BY (toYYYYMM(toDateTime(timestamp))) ORDER BY (timestamp,stationID)
+            """)
 
         try! TestModel.createTable(on: app.clickHouse).wait()
         try! model.insert(on: app.clickHouse).wait()