Swift/SQLCipher updates

.swift-version

@@ -1 +1 @@
-4.1
+4.2

.travis.yml

@@ -1,10 +1,11 @@
 language: objective-c
 rvm: 2.3
-osx_image: xcode9.3
+# https://docs.travis-ci.com/user/reference/osx
+osx_image: xcode10.1
 env:
   global:
     - IOS_SIMULATOR="iPhone 6s"
-    - IOS_VERSION="11.3"
+    - IOS_VERSION="12.1"
 matrix:
   include:
     - env: BUILD_SCHEME="SQLite iOS"

CHANGELOG.md

@@ -1,3 +1,8 @@
+0.11.6 (xxx), [diff][diff-0.11.6]
+========================================
+
+* Swift 4.2, SQLCipher 4.x ([#866][])
+
 0.11.5 (04-14-2018), [diff][diff-0.11.5]
 ========================================
 
@@ -57,6 +62,7 @@
 [diff-0.11.3]: https://github.com/stephencelis/SQLite.swift/compare/0.11.2...0.11.3
 [diff-0.11.4]: https://github.com/stephencelis/SQLite.swift/compare/0.11.3...0.11.4
 [diff-0.11.5]: https://github.com/stephencelis/SQLite.swift/compare/0.11.4...0.11.5
+[diff-0.11.6]: https://github.com/stephencelis/SQLite.swift/compare/0.11.5...0.11.6
 
 [#142]: https://github.com/stephencelis/SQLite.swift/issues/142
 [#315]: https://github.com/stephencelis/SQLite.swift/issues/315
@@ -88,3 +94,4 @@
 [#733]: https://github.com/stephencelis/SQLite.swift/pull/733
 [#726]: https://github.com/stephencelis/SQLite.swift/pull/726
 [#797]: https://github.com/stephencelis/SQLite.swift/pull/797
+[#866]: https://github.com/stephencelis/SQLite.swift/pull/866

Makefile

@@ -1,7 +1,7 @@
 BUILD_TOOL = xcodebuild
 BUILD_SCHEME = SQLite Mac
 IOS_SIMULATOR = iPhone 6s
-IOS_VERSION = 11.3
+IOS_VERSION = 12.1
 ifeq ($(BUILD_SCHEME),SQLite iOS)
 	BUILD_ARGUMENTS = -scheme "$(BUILD_SCHEME)" -destination "platform=iOS Simulator,name=$(IOS_SIMULATOR),OS=$(IOS_VERSION)"
 else

SQLite.swift.podspec

@@ -21,7 +21,7 @@ Pod::Spec.new do |s|
   s.watchos.deployment_target = "2.2"
   s.default_subspec  = 'standard'
   s.pod_target_xcconfig = {
-    'SWIFT_VERSION' => '4.1',
+    'SWIFT_VERSION' => '4.2',
   }
 
   s.subspec 'standard' do |ss|

SQLite.xcodeproj/project.pbxproj

@@ -1033,7 +1033,7 @@
 				SDKROOT = appletvos;
 				SKIP_INSTALL = YES;
 				SWIFT_SWIFT3_OBJC_INFERENCE = Default;
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 4.2;
 				TVOS_DEPLOYMENT_TARGET = 9.1;
 			};
 			name = Debug;
@@ -1055,7 +1055,7 @@
 				SDKROOT = appletvos;
 				SKIP_INSTALL = YES;
 				SWIFT_SWIFT3_OBJC_INFERENCE = Default;
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 4.2;
 				TVOS_DEPLOYMENT_TARGET = 9.1;
 			};
 			name = Release;
@@ -1069,7 +1069,7 @@
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SDKROOT = appletvos;
 				SWIFT_SWIFT3_OBJC_INFERENCE = Default;
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 4.2;
 				TVOS_DEPLOYMENT_TARGET = 9.1;
 			};
 			name = Debug;
@@ -1083,7 +1083,7 @@
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SDKROOT = appletvos;
 				SWIFT_SWIFT3_OBJC_INFERENCE = Default;
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 4.2;
 				TVOS_DEPLOYMENT_TARGET = 9.1;
 			};
 			name = Release;
@@ -1106,7 +1106,7 @@
 				SDKROOT = watchos;
 				SKIP_INSTALL = YES;
 				SWIFT_SWIFT3_OBJC_INFERENCE = Default;
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 4.2;
 				TARGETED_DEVICE_FAMILY = 4;
 				WATCHOS_DEPLOYMENT_TARGET = 2.2;
 			};
@@ -1130,7 +1130,7 @@
 				SDKROOT = watchos;
 				SKIP_INSTALL = YES;
 				SWIFT_SWIFT3_OBJC_INFERENCE = Default;
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 4.2;
 				TARGETED_DEVICE_FAMILY = 4;
 				WATCHOS_DEPLOYMENT_TARGET = 2.2;
 			};
@@ -1269,7 +1269,7 @@
 				SKIP_INSTALL = YES;
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
 				SWIFT_SWIFT3_OBJC_INFERENCE = Default;
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 4.2;
 			};
 			name = Debug;
 		};
@@ -1291,7 +1291,7 @@
 				PRODUCT_NAME = SQLite;
 				SKIP_INSTALL = YES;
 				SWIFT_SWIFT3_OBJC_INFERENCE = Default;
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 4.2;
 			};
 			name = Release;
 		};
@@ -1304,7 +1304,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = com.stephencelis.SQLiteTests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_SWIFT3_OBJC_INFERENCE = Default;
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 4.2;
 			};
 			name = Debug;
 		};
@@ -1317,7 +1317,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = com.stephencelis.SQLiteTests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_SWIFT3_OBJC_INFERENCE = Default;
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 4.2;
 			};
 			name = Release;
 		};
@@ -1342,7 +1342,7 @@
 				SKIP_INSTALL = YES;
 				SWIFT_INCLUDE_PATHS = "";
 				SWIFT_SWIFT3_OBJC_INFERENCE = Default;
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 4.2;
 			};
 			name = Debug;
 		};
@@ -1367,7 +1367,7 @@
 				SKIP_INSTALL = YES;
 				SWIFT_INCLUDE_PATHS = "";
 				SWIFT_SWIFT3_OBJC_INFERENCE = Default;
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 4.2;
 			};
 			name = Release;
 		};
@@ -1383,7 +1383,7 @@
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SDKROOT = macosx;
 				SWIFT_SWIFT3_OBJC_INFERENCE = Default;
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 4.2;
 			};
 			name = Debug;
 		};
@@ -1399,7 +1399,7 @@
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SDKROOT = macosx;
 				SWIFT_SWIFT3_OBJC_INFERENCE = Default;
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 4.2;
 			};
 			name = Release;
 		};

Sources/SQLite/Extensions/Cipher.swift

@@ -6,6 +6,11 @@ import SQLCipher
 /// @see [sqlcipher api](https://www.zetetic.net/sqlcipher/sqlcipher-api/)
 extension Connection {
 
+    /// - Returns: the SQLCipher version
+    public var cipherVersion: String? {
+        return (try? scalar("PRAGMA cipher_version")) as? String
+    }
+
     /// Specify the key for an encrypted database.  This routine should be
     /// called right after sqlite3_open().
     ///

Sources/SQLiteObjc/include/SQLite-Bridging.h

@@ -23,8 +23,7 @@
 //
 
 @import Foundation;
-
-#import "sqlite3.h"
+@import SQLite3;
 
 NS_ASSUME_NONNULL_BEGIN
 typedef NSString * _Nullable (^_SQLiteTokenizerNextCallback)(const char *input, int *inputOffset, int *inputLength);

Tests/CocoaPods/Gemfile

@@ -1,4 +1,4 @@
 source 'https://rubygems.org'
 
-gem 'cocoapods', '~> 1.5.0'
+gem 'cocoapods', '~> 1.6.0beta2'
 gem 'minitest'

Tests/CocoaPods/Gemfile.lock

@@ -2,76 +2,76 @@ GEM
   remote: https://rubygems.org/
   specs:
     CFPropertyList (3.0.0)
-    activesupport (4.2.10)
+    activesupport (4.2.11)
       i18n (~> 0.7)
       minitest (~> 5.1)
       thread_safe (~> 0.3, >= 0.3.4)
       tzinfo (~> 1.1)
-    atomos (0.1.2)
+    atomos (0.1.3)
     claide (1.0.2)
-    cocoapods (1.5.0)
+    cocoapods (1.6.0.beta.2)
       activesupport (>= 4.0.2, < 5)
       claide (>= 1.0.2, < 2.0)
-      cocoapods-core (= 1.5.0)
+      cocoapods-core (= 1.6.0.beta.2)
       cocoapods-deintegrate (>= 1.0.2, < 2.0)
-      cocoapods-downloader (>= 1.2.0, < 2.0)
+      cocoapods-downloader (>= 1.2.2, < 2.0)
       cocoapods-plugins (>= 1.0.0, < 2.0)
       cocoapods-search (>= 1.0.0, < 2.0)
       cocoapods-stats (>= 1.0.0, < 2.0)
-      cocoapods-trunk (>= 1.3.0, < 2.0)
+      cocoapods-trunk (>= 1.3.1, < 2.0)
       cocoapods-try (>= 1.1.0, < 2.0)
       colored2 (~> 3.1)
       escape (~> 0.0.4)
       fourflusher (~> 2.0.1)
       gh_inspector (~> 1.0)
-      molinillo (~> 0.6.5)
+      molinillo (~> 0.6.6)
       nap (~> 1.0)
-      ruby-macho (~> 1.1)
-      xcodeproj (>= 1.5.7, < 2.0)
-    cocoapods-core (1.5.0)
+      ruby-macho (~> 1.3, >= 1.3.1)
+      xcodeproj (>= 1.7.0, < 2.0)
+    cocoapods-core (1.6.0.beta.2)
       activesupport (>= 4.0.2, < 6)
       fuzzy_match (~> 2.0.4)
       nap (~> 1.0)
     cocoapods-deintegrate (1.0.2)
-    cocoapods-downloader (1.2.0)
+    cocoapods-downloader (1.2.2)
     cocoapods-plugins (1.0.0)
       nap
     cocoapods-search (1.0.0)
     cocoapods-stats (1.0.0)
-    cocoapods-trunk (1.3.0)
+    cocoapods-trunk (1.3.1)
       nap (>= 0.8, < 2.0)
       netrc (~> 0.11)
     cocoapods-try (1.1.0)
     colored2 (3.1.2)
-    concurrent-ruby (1.0.5)
+    concurrent-ruby (1.1.4)
     escape (0.0.4)
     fourflusher (2.0.1)
     fuzzy_match (2.0.4)
     gh_inspector (1.1.3)
     i18n (0.9.5)
       concurrent-ruby (~> 1.0)
-    minitest (5.10.1)
-    molinillo (0.6.5)
-    nanaimo (0.2.5)
+    minitest (5.11.3)
+    molinillo (0.6.6)
+    nanaimo (0.2.6)
     nap (1.1.0)
     netrc (0.11.0)
-    ruby-macho (1.1.0)
+    ruby-macho (1.3.1)
     thread_safe (0.3.6)
     tzinfo (1.2.5)
       thread_safe (~> 0.1)
-    xcodeproj (1.5.7)
+    xcodeproj (1.7.0)
       CFPropertyList (>= 2.3.3, < 4.0)
-      atomos (~> 0.1.2)
+      atomos (~> 0.1.3)
       claide (>= 1.0.2, < 2.0)
       colored2 (~> 3.1)
-      nanaimo (~> 0.2.4)
+      nanaimo (~> 0.2.6)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
-  cocoapods (~> 1.5.0)
+  cocoapods (~> 1.6.0beta2)
   minitest
 
 BUNDLED WITH
-   1.16.1
+   1.17.1

Tests/CocoaPods/integration_test.rb

@@ -42,7 +42,7 @@ def test_pod
 
     def xcodebuild(action, scheme, configuration)
       require 'fourflusher'
-      command = %W(clean #{action} -workspace #{File.join(validation_dir, 'App.xcworkspace')} -scheme #{scheme} -configuration #{configuration})
+      command = %W(#{action} -workspace #{File.join(validation_dir, 'App.xcworkspace')} -scheme #{scheme} -configuration #{configuration})
       case consumer.platform_name
       when :osx, :macos
         command += %w(CODE_SIGN_IDENTITY=)

Tests/SQLiteTests/CipherTests.swift

@@ -73,11 +73,17 @@ class CipherTests: XCTestCase {
     }
 
     func test_open_db_encrypted_with_sqlcipher() {
-        // $ sqlcipher SQLiteTests/fixtures/encrypted.sqlite
+        // $ sqlcipher Tests/SQLiteTests/fixtures/encrypted-[version].x.sqlite
         // sqlite> pragma key = 'sqlcipher-test';
         // sqlite> CREATE TABLE foo (bar TEXT);
         // sqlite> INSERT INTO foo (bar) VALUES ('world');
-        let encryptedFile = fixture("encrypted", withExtension: "sqlite")
+        guard let cipherVersion:String = db1.cipherVersion,
+            cipherVersion.starts(with: "3.") || cipherVersion.starts(with: "4.")
+            else { return }
+
+        let encryptedFile = cipherVersion.starts(with: "3.") ?
+            fixture("encrypted-3.x", withExtension: "sqlite") :
+            fixture("encrypted-4.x", withExtension: "sqlite")
 
         try! FileManager.default.setAttributes([FileAttributeKey.immutable : 1], ofItemAtPath: encryptedFile)
         XCTAssertFalse(FileManager.default.isWritableFile(atPath: encryptedFile))

Tests/SQLiteTests/ConnectionTests.swift

@@ -369,18 +369,23 @@ class ConnectionTests : SQLiteTestCase {
     }
 
     func test_interrupt_interruptsLongRunningQuery() {
-        try! InsertUsers("abcdefghijklmnopqrstuvwxyz".map { String($0) })
+        let semaphore = DispatchSemaphore(value: 0)
         db.createFunction("sleep") { args in
-            usleep(UInt32((args[0] as? Double ?? Double(args[0] as? Int64 ?? 1)) * 1_000_000))
+            DispatchQueue.global(qos: .background).async {
+                self.db.interrupt()
+                semaphore.signal()
+            }
+            semaphore.wait()
             return nil
         }
-
-        let stmt = try! db.prepare("SELECT *, sleep(?) FROM users", 0.1)
-        try! stmt.run()
-
-        let deadline = DispatchTime.now() + 0.01
-        _ = DispatchQueue(label: "queue", qos: .background).asyncAfter(deadline: deadline, execute: db.interrupt)
-        AssertThrows(try stmt.run())
+        let stmt = try! db.prepare("SELECT sleep()")
+        XCTAssertThrowsError(try stmt.run()) { error in
+            if case Result.error(_, let code, _) = error {
+                XCTAssertEqual(code, SQLITE_INTERRUPT)
+            } else {
+                XCTFail("unexpected error: \(error)")
+            }
+        }
     }
 
     func test_concurrent_access_single_connection() {
@@ -391,21 +396,17 @@ class ConnectionTests : SQLiteTestCase {
         try! conn.execute("DROP TABLE IF EXISTS test; CREATE TABLE test(value);")
         try! conn.run("INSERT INTO test(value) VALUES(?)", 0)
         let queue = DispatchQueue(label: "Readers", attributes: [.concurrent])
+
         let nReaders = 5
-        var reads = Array(repeating: 0, count: nReaders)
-        var finished = false
+        let semaphores =  Array(repeating: DispatchSemaphore(value: 100), count: nReaders)
         for index in 0..<nReaders {
             queue.async {
-                while !finished {
+                while semaphores[index].signal() == 0 {
                     _ = try! conn.scalar("SELECT value FROM test")
-                    reads[index] += 1
                 }
             }
         }
-        while !finished {
-            sleep(1)
-            finished = reads.reduce(true) { $0 && ($1 > 500) }
-        }
+        semaphores.forEach { $0.wait() }
     }
 }