InMemorySystem class final

A deterministic System with mutable in-memory process state.

Implemented types

• System

Constructors

InMemorySystem({Map<String, String> environment = const <String, String>{}, String directory = '/', DateTime? now})

Creates a system fake seeded with environment, directory, and now.

Properties

directory ↔ String

Working directory the fake answers from.

getter/setter pair

environmentVariables → Map<String, String>

Mutable environment the fake answers from.

final

hashCode → int

The hash code for this object.

no setter, inherited

now ↔ DateTime

Instant the fake's clock answers with.

getter/setter pair

requestedDelays → List<Duration>

Every duration passed to delay, in call order.

final

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

currentDirectory() → Result<String>

Returns the current working directory as an absolute path.

override

delay(Duration duration) → Future<Result<void>>

Delays without exposing the host timer implementation.

override

enqueueClockResult(Result<DateTime> result) → void

Scripts the next nowUtc answer.

enqueueDelayResult(Result<void> result) → void

Scripts the next delay answer.

enqueueDirectoryResult(Result<String> result) → void

Scripts the next currentDirectory answer.

enqueueEnvironmentResult(Result<String?> result) → void

Scripts the next environment answer.

environment(String name) → Result<String?>

Looks up one process environment variable.

override

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

nowUtc() → Result<DateTime>

Returns the current instant in UTC.

override

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited