generators library

Sub-path import for generators only.

import 'package:hegeltest/generators.dart';

Classes

Generator<T>

Functions

bigIntegers({BigInt? min, BigInt? max}) → Generator<BigInt>

Generates random BigInt values.

booleans({double p = 0.5}) → Generator<bool>

Generates random boolean values.

bytes({int minSize = 0, int maxSize = 100}) → Generator<Uint8List>

Generates a Uint8List of random bytes.

dates({DateTime? min, DateTime? max}) → Generator<DateTime>

Generates DateTime values containing only a date component.

dateTimes({DateTime? min, DateTime? max}) → Generator<DateTime>

Generates full DateTime values with both date and time.

domains({int maxLength = 255}) → Generator<String>

Generates domain names.

doubles({double min = double.negativeInfinity, double max = double.infinity, bool allowNan = true, bool allowInfinity = true, bool excludeMin = false, bool excludeMax = false, double smallestNonzeroMagnitude = 5e-324}) → Generator<double>

Generates random double-precision floating-point numbers.

emails() → Generator<String>

Generates valid-looking email addresses.

frequency<T>(List<(int, Generator<T>)> weighted) → Generator<T>

Selects a generator based on provided probability weights.

fromRegex(String pattern, {bool fullmatch = true}) → Generator<String>

Generates strings that match a given regular expression pattern.

integers({int min = -9223372036854775808, int max = 9223372036854775807}) → Generator<int>

Generates random integers.

ipv4Addresses() → Generator<InternetAddress>

Generates IPv4 InternetAddress values.

ipv6Addresses() → Generator<InternetAddress>

Generates IPv6 InternetAddress values.

lists<T>(Generator<T> elements, {int minSize = 0, int maxSize = 9223372036854775807}) → Generator<List<T>>

Generates lists of elements from the provided generator.

maps<K, V>(Generator<K> keys, Generator<V> values, {int minSize = 0, int maxSize = 9223372036854775807}) → Generator<Map<K, V>>

Generates maps with unique keys and corresponding values.

nullable<T>(Generator<T> gen, {double nullProbability = 0.5}) → Generator<T?>

Wraps a generator to occasionally produce null.

oneOf<T>(List<Generator<T>> gens) → Generator<T>

Picks one of the provided generators uniformly at random.

oneOfWeighted<T>(List<(int, Generator<T>)> weighted) → Generator<T>

Selects a generator based on provided probability weights.

sampled<T>(List<T> values) → Generator<T>

Picks a value randomly from a fixed list of values.

sampledWeighted<T>(List<(int, T)> weighted) → Generator<T>

Picks a value randomly from a list of weighted values.

sets<T>(Generator<T> elements, {int minSize = 0, int maxSize = 9223372036854775807}) → Generator<Set<T>>

Generates sets of unique elements from the provided generator.

text({int minSize = 0, int maxSize = 100, int minCodepoint = 0, int maxCodepoint = 0x10FFFF}) → Generator<String>

Generates random text strings.

times({TimeRecord? min, TimeRecord? max}) → Generator<TimeRecord>

Generates TimeRecord values containing only a time component.

tuples2<A, B>(Generator<A> a, Generator<B> b) → Generator<(A, B)>

Generates 2-tuples (pairs) of independent values.

tuples3<A, B, C>(Generator<A> a, Generator<B> b, Generator<C> c) → Generator<(A, B, C)>

Generates 3-tuples of independent values.

tuples4<A, B, C, D>(Generator<A> a, Generator<B> b, Generator<C> c, Generator<D> d) → Generator<(A, B, C, D)>

Generates 4-tuples of independent values.

urls() → Generator<String>

Generates valid-looking URLs.

uuids() → Generator<String>

Generates v4 UUIDs.