Fixing tests for Linux

Author: nathanfallet

Tests/SQLiteTests/QueryTests.swift

@@ -391,15 +391,20 @@ class QueryTests: XCTestCase {
         let value = TestCodable(int: 1, string: "2", bool: true, float: 3, double: 4,
                                 date: Date(timeIntervalSince1970: 0), optional: nil, sub: value1)
         let update = try emails.update(value)
-        let encodedJSON = try JSONEncoder().encode(value1)
-        let encodedJSONString = String(data: encodedJSON, encoding: .utf8)!
-        assertSQL(
-            """
-            UPDATE \"emails\" SET \"int\" = 1, \"string\" = '2', \"bool\" = 1, \"float\" = 3.0, \"double\" = 4.0,
-             \"date\" = '1970-01-01T00:00:00.000', \"sub\" = '\(encodedJSONString)'
-            """.replacingOccurrences(of: "\n", with: ""),
-            update
-        )
+        
+        // NOTE: As Linux JSON decoding doesn't order keys the same way, we need to check prefix, suffix,
+        // and extract JSON to decode it and check the decoded object.
+        
+        let expectedPrefix = "UPDATE \"emails\" SET \"int\" = 1, \"string\" = '2', \"bool\" = 1, \"float\" = 3.0, \"double\" = 4.0, \"date\" = '1970-01-01T00:00:00.000', \"sub\" = '"
+        let expectedSuffix = "'"
+        
+        let sql = update.asSQL()
+        XCTAssert(sql.hasPrefix(expectedPrefix))
+        XCTAssert(sql.hasSuffix(expectedSuffix))
+        
+        let extractedJSON = String(sql[sql.index(sql.startIndex, offsetBy: expectedPrefix.count) ..< sql.index(sql.endIndex, offsetBy: -expectedSuffix.count)])
+        let decodedJSON = try JSONDecoder().decode(TestCodable.self, from: extractedJSON.data(using: .utf8)!)
+        XCTAssertEqual(decodedJSON, value1)
     }
 
     func test_delete_compilesDeleteExpression() {

Tests/SQLiteTests/TestHelpers.swift

@@ -105,7 +105,7 @@ let qualifiedTable = Table("table", database: "main")
 let virtualTable = VirtualTable("virtual_table")
 let _view = View("view") // avoid Mac XCTestCase collision
 
-class TestCodable: Codable {
+class TestCodable: Codable, Equatable {
     let int: Int
     let string: String
     let bool: Bool
@@ -125,4 +125,15 @@ class TestCodable: Codable {
         self.optional = optional
         self.sub = sub
     }
+    
+    static func == (lhs: TestCodable, rhs: TestCodable) -> Bool {
+        lhs.int == rhs.int &&
+        lhs.string == rhs.string &&
+        lhs.bool == rhs.bool &&
+        lhs.float == rhs.float &&
+        lhs.double == rhs.double &&
+        lhs.date == rhs.date &&
+        lhs.optional == rhs.optional &&
+        lhs.sub == rhs.sub
+    }
 }