Package io.github.cjstehno.testthings.rando

Class StringRandomizers

java.lang.Object

io.github.cjstehno.testthings.rando.StringRandomizers

public final class StringRandomizers
extends Object

A collection of randomizers for generating strings.

Field Summary

Fields

Modifier and Type	Field	Description
static final String	LETTERS	Letters of the alphabet (upper case).
static final String	NUMBERS	Numbers from 0 to 9.

Constructor Summary

Constructors

Constructor	Description
StringRandomizers()

Method Summary

Modifier and Type	Method	Description
static Randomizer<Character>	aChar()	Randomly generates a character (letters only).
static Randomizer<String>	alphabetic(Randomizer<Integer> countRando)	Generates a random alphabetic string (upper and lower case).
static Randomizer<String>	alphanumeric(Randomizer<Integer> countRando)	Generates a random alphanumeric string (upper and lower case).
static Randomizer<char[]>	charArray(Randomizer<Integer> countRando)	Randomly generates a character array of random length.
static Randomizer<String>	letter()	Generates a random letter (upper or lower case).
static Randomizer<String>	number()	Generates a random number string (one number).
static Randomizer<String>	numeric(Randomizer<Integer> countRando)	Generates a random numeric string (with multiple digits).
static Randomizer<String>	oneFrom(String string)	Selects a random value from the characters of the given string.
static Randomizer<String>	wordFrom(String sentence)	Randomly selects a word from the provided sentence (words are delimited by spaces).
static Randomizer<String>	wordFrom(String[] words)	Randomly selects a word from the provided words.
static Randomizer<String[]>	words(Randomizer<Integer> countRando, Randomizer<Integer> wordSizeRando)	Generates multiple alphabetic strings of random size, returned as an array of words.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

LETTERS

public static final String LETTERS

Letters of the alphabet (upper case).

See Also:

• Constant Field Values

NUMBERS

public static final String NUMBERS

Numbers from 0 to 9.

See Also:

• Constant Field Values

Constructor Details

StringRandomizers

public StringRandomizers()

Method Details

oneFrom

public static Randomizer<String> oneFrom(String string)

Selects a random value from the characters of the given string.

Parameters:

string - the string of values

Returns:

the randomizer

letter

public static Randomizer<String> letter()

Generates a random letter (upper or lower case).

Returns:

the randomizer

number

public static Randomizer<String> number()

Generates a random number string (one number).

Returns:

the randomizer

alphabetic

public static Randomizer<String> alphabetic(Randomizer<Integer> countRando)

Generates a random alphabetic string (upper and lower case).

Parameters:

countRando - the randomizer used to determine the length of the string

Returns:

the randomizer

numeric

public static Randomizer<String> numeric(Randomizer<Integer> countRando)

Generates a random numeric string (with multiple digits).

Parameters:

countRando - the randomizer used to determine the length of the string

Returns:

the randomizer

alphanumeric

public static Randomizer<String> alphanumeric(Randomizer<Integer> countRando)

Generates a random alphanumeric string (upper and lower case).

Parameters:

countRando - the randomizer used to determine the length of the string

Returns:

the randomizer

words

public static Randomizer<String[]> words(Randomizer<Integer> countRando,
 Randomizer<Integer> wordSizeRando)

Generates multiple alphabetic strings of random size, returned as an array of words.

Parameters:

countRando - the randomizer used to determine the number of words

wordSizeRando - the randomizer used to determine the size of each word

Returns:

the randomizer

wordFrom

public static Randomizer<String> wordFrom(String sentence)

Randomly selects a word from the provided sentence (words are delimited by spaces).

Parameters:

sentence - the sentence

Returns:

the randomizer

wordFrom

public static Randomizer<String> wordFrom(String[] words)

Randomly selects a word from the provided words.

Parameters:

words - the available words

Returns:

the randomizer

aChar

public static Randomizer<Character> aChar()

Randomly generates a character (letters only).

Returns:

the randomizer

charArray

public static Randomizer<char[]> charArray(Randomizer<Integer> countRando)

Randomly generates a character array of random length.

Parameters:

countRando - the randomizer used to determine the length of the array

Returns:

the randomizer