Swift Testing training course

• Using operators
• Operator examples

Ranges, Intervals, Strides and Slices

• Ranges
  • Closed Range
  • Half-Open Range
  • One-sided Range
• Intervals
• Strides
  • through
  • to
• Slices
  • What is an Array Slice
  • How indexes work in an Array Slice
  • Array methods that produce slices

Built-in functions and methods

• Various functions and methods supplied by the Swift Language
• abs, contains, joined, dump…etc

Closures (anonymous functions)

• Declaring a Closure
  • Type inference when using closures
  • Ternary operator
  • Variadic Parameters

• Closures as a parameter
  • Passing a Closure
  • Returning a Closure
• Returning a Tuple
• Trailing brackets

Program flow and conditions

• if
• if / else
• switch
  • fallthrough
• guard else
• Expressions
  • if / else
  • switch

Optionals (handling nil Types)

• nil Type
• if statements and Forced Unwrapping
• optional binding
  • if let
  • case let and where
  • guard let else
• Define optional Types
• Implicitly Unwrapped Optionals

Enumerations

• Defining an Enumerator
• Add member values
• Matching Enumeration Values
• Raw values
• Associated value
• Enumeration Instance Methods
• Initialisers

Constant Dictionaries

• Dictionary properties
• Dictionary literal
• Retrieve an item from a Dictionary
• Extracting Keys and Values
• Embedded Arrays and Dictionaries

Pattern Matching

• Various examples of using the switch statement to pattern match
• Pattern match different types
• Using expressions

Functions

• Functions v Closures
• Defining Functions
• Calling Functions
• Invoking Functions
• Overloading Functions
• Function parameter names
• Default values
• Nested Functions
• Recursion

Functional Collection Processing

• Processing collections with methods sorted
  • Map
  • Filter
  • Reduce
  • zip

Using Variables

• Strings
• Arrays
• Dictionaries
• Operators

Loops

• for
• while
• repeat while
• Iterate over collection types
  • Strings
  • Arrays
  • Enumerations
  • Dictionaries
• Line names

Structures

• Declaring a Structure
• Create an instance
• Properties
• Copying values
• Instance Methods
• Mutating
• Initialisers

Classes

• Declaring a Class
• Create an Object
• Properties
• Reference types
• Instance Methods
• Identity Operators
• Computed properties
• Initialisers
• De-initialisers
• Inheritance
  • Base Classes
  • Subclasses

Error Handling

• Using Enumerations for error handling
• @Throws
• Using do-catch

Memory management

• ARC
• References
  • Strong
  • Weak
  • dismantle

Overview of Async/Await

• What is multi-threading
• A multi-threading program

Swift Testing Basics

• Import
• @Test
• @testable
• Validate with #expect
• Adding a display name to a test
• Adding more functions
• Suites
  • Stored properties

Swift Testing Traits

• Conditional traits
• Unconditionally disable
  • Bug trait
• Conditionalize a test
  • When to use @available
• Tags
• Sub-suites
• @Suites and tags inheritance

Parameterized @Test Function

• Consolidate repetitive tests
• Parameterized @Test Function
• For-in loop practices
• Refactoring

Swift Packages

• Overview of Swift packages
• Create a simple package with @Test Functions
• Run a package from a command line.

More advanced Swift Testing features

• Dealing with throwing functions
• Validating the type of error using #expect
  • General
  • Specific
  • Complicated
  • throws
  • Required
• Using withKnownIssues
• Testing with Ennumerations
• Async/Await