Move IosFiles implementation to Kotlin; setup tests for ios target

ios/Tests/Platform/IosCanvasTest.swift

@@ -64,6 +64,5 @@ class IosCanvasTest : XCTestCase {
         let paths = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask)
         let filePath = paths.first?.appendingPathComponent("IosCanvasTest.png")
         try! image.pngData()!.write(to: filePath!, options: .atomic)
-        UIGraphicsEndImageContext()
     }
 }

ios/Tests/Platform/IosDatabaseTest.swift

@@ -22,52 +22,52 @@ import XCTest
 
 class IosDatabaseTest: XCTestCase {
     func testUsage() {
-      let databaseOpener = IosDatabaseOpener(withLog: StandardLog())
-      let fileOpener = IosFileOpener()
-      
-      let dbFile = fileOpener.openUserFile(filename: "test.sqlite3")
-      if dbFile.exists() {
+        let databaseOpener = IosDatabaseOpener(withLog: StandardLog())
+        let fileOpener = IosFileOpener()
+
+        let dbFile = fileOpener.openUserFile(path: "test.sqlite3")
+        if dbFile.exists() {
+            dbFile.delete()
+        }
+        let db = databaseOpener.open(file: dbFile)
+
+        var stmt = db.prepareStatement(sql: "drop table if exists demo")
+        stmt.step()
+        stmt.finalize()
+
+        stmt = db.prepareStatement(sql: "begin")
+        stmt.step()
+        stmt.finalize()
+
+        stmt = db.prepareStatement(sql: "create table if not exists demo(key int, value text)")
+        stmt.step()
+        stmt.finalize()
+
+        stmt = db.prepareStatement(sql: "insert into demo(key, value) values (?, ?)")
+        stmt.bindInt(index: 0, value: 42)
+        stmt.bindText(index: 1, value: "Hello World")
+        stmt.step()
+        stmt.finalize()
+
+        stmt = db.prepareStatement(sql: "select * from demo where key > ?")
+        stmt.bindInt(index: 0, value: 10)
+        var result = stmt.step()
+        XCTAssertEqual(result, StepResult.row)
+        XCTAssertEqual(stmt.getInt(index: 0), 42)
+        XCTAssertEqual(stmt.getText(index: 1), "Hello World")
+        result = stmt.step()
+        XCTAssertEqual(result, StepResult.done)
+        stmt.finalize()
+
+        stmt = db.prepareStatement(sql: "drop table demo")
+        stmt.step()
+        stmt.finalize()
+
+        stmt = db.prepareStatement(sql: "commit")
+        stmt.step()
+        stmt.finalize()
+
+        db.close()
         dbFile.delete()
-      }
-      let db = databaseOpener.open(file: dbFile)
-      
-      var stmt = db.prepareStatement(sql: "drop table if exists demo")
-      stmt.step()
-      stmt.finalize()
-      
-      stmt = db.prepareStatement(sql: "begin")
-      stmt.step()
-      stmt.finalize()
-      
-      stmt = db.prepareStatement(sql: "create table if not exists demo(key int, value text)")
-      stmt.step()
-      stmt.finalize()
-      
-      stmt = db.prepareStatement(sql: "insert into demo(key, value) values (?, ?)")
-      stmt.bindInt(index: 0, value: 42)
-      stmt.bindText(index: 1, value: "Hello World")
-      stmt.step()
-      stmt.finalize()
-      
-      stmt = db.prepareStatement(sql: "select * from demo where key > ?")
-      stmt.bindInt(index: 0, value: 10)
-      var result = stmt.step()
-      XCTAssertEqual(result, StepResult.row)
-      XCTAssertEqual(stmt.getInt(index: 0), 42)
-      XCTAssertEqual(stmt.getText(index: 1), "Hello World")
-      result = stmt.step()
-      XCTAssertEqual(result, StepResult.done)
-      stmt.finalize()
-      
-      stmt = db.prepareStatement(sql: "drop table demo")
-      stmt.step()
-      stmt.finalize()
-      
-      stmt = db.prepareStatement(sql: "commit")
-      stmt.step()
-      stmt.finalize()
-      
-      db.close()
-      dbFile.delete()
     }
 }

ios/Tests/Platform/IosFilesTest.swift

@@ -1,45 +0,0 @@
-/*
- * Copyright (C) 2016-2019 Álinson Santos Xavier <isoron@gmail.com>
- *
- * This file is part of Loop Habit Tracker.
- *
- * Loop Habit Tracker is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by the
- * Free Software Foundation, either version 3 of the License, or (at your
- * option) any later version.
- *
- * Loop Habit Tracker is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
- * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-import XCTest
-@testable import uhabits
-
-class IosFilesTest: XCTestCase {
-  func testResourceFiles() {
-    let fileOpener = IosFileOpener()
-    let file = fileOpener.openResourceFile(filename: "migrations/010.sql")
-    let lines = file.readLines()
-    XCTAssertEqual(lines[0], "delete from Score")
-  }
-  
-  func testUserFiles() throws {
-    let fm = FileManager.default
-    let root = try fm.url(for: .documentDirectory, in: .userDomainMask, appropriateFor: nil, create: false).path
-    let path = "\(root)/test.txt"
-    print(path)
-    fm.createFile(atPath: path, contents: "Hello world\nThis is line 2".data(using: .utf8), attributes: nil)
-    
-    let fileOpener = IosFileOpener()
-    let file = fileOpener.openUserFile(filename: "test.txt")
-    XCTAssertTrue(file.exists())
-    
-    file.delete()
-    XCTAssertFalse(file.exists())
-  }
-}