public void Provider_WithOnlyVowelsDefined_SyllablesGeneratedCorrectly()
{
// Define all vowels
var provider = new SyllableProvider().WithVowels("aeiou");
// Check that every syllable-generating method works and generates nothing but the vowels
for (int i = 0; i < 1000; i++)
{
var startingSyllable = provider.NextStartingSyllable();
var syllable = provider.NextStartingSyllable();
var endingSyllable = provider.NextEndingSyllable();
Assert.IsTrue(!string.IsNullOrEmpty(startingSyllable) && Regex.IsMatch(startingSyllable, "^[aeiouAEIOU]+$"));
Assert.IsTrue(!string.IsNullOrEmpty(syllable) && Regex.IsMatch(syllable, "^[aeiouAEIOU]+$"));
Assert.IsTrue(!string.IsNullOrEmpty(endingSyllable) && Regex.IsMatch(endingSyllable, "^[aeiouAEIOU]+$"));
}
}
public void Provider_WithNoVowelsDefined_ProviderThrowsInvalidOperationException()
{
// Define everything except vowel and vowel sequences
var provider = new SyllableProvider()
.WithLeadingConsonants("b")
.WithLeadingConsonantSequences("bb", "bbb")
.WithTrailingConsonants("b")
.WithTrailingConsonantSequences("bbbb", "bbbbb");
// Syllables always require a vowel so syllable generation should fail
for (int i = 0; i < 1000; i++)
{
Assert.ThrowsException <InvalidOperationException>(() => provider.NextStartingSyllable());
Assert.ThrowsException <InvalidOperationException>(() => provider.NextSyllable());
Assert.ThrowsException <InvalidOperationException>(() => provider.NextEndingSyllable());
}
}
public void Provider_WhenCustomVowelsDefined_OnlyCustomVowelsAppearInProviderOutput()
{
// Define one and only one vowel then check name output
var provider = new SyllableProvider()
.WithVowels("a")
.WithLeadingConsonants("bcdfg")
.WithTrailingConsonants("bcdfg");
for (int i = 0; i < 1000; i++)
{
var startingSyllable = provider.NextStartingSyllable();
var syllable = provider.NextSyllable();
var endingSyllable = provider.NextEndingSyllable();
Assert.IsTrue(startingSyllable.Contains("a"));
Assert.IsTrue(syllable.Contains("a"));
Assert.IsTrue(endingSyllable.Contains("a"));
Assert.IsFalse(Regex.IsMatch(startingSyllable, "[e|i|o|u]"));
Assert.IsFalse(Regex.IsMatch(syllable, "[e|i|o|u]"));
Assert.IsFalse(Regex.IsMatch(endingSyllable, "[e|i|o|u]"));
}
// Change the one and only vowel and check name output again
provider = new SyllableProvider()
.WithVowels("y")
.WithLeadingConsonants("bcdfg")
.WithTrailingConsonants("bcdfg");
for (int i = 0; i < 1000; i++)
{
var startingSyllable = provider.NextStartingSyllable();
var syllable = provider.NextSyllable();
var endingSyllable = provider.NextEndingSyllable();
Assert.IsTrue(startingSyllable.Contains("y"));
Assert.IsTrue(syllable.Contains("y"));
Assert.IsTrue(endingSyllable.Contains("y"));
Assert.IsFalse(Regex.IsMatch(startingSyllable, "[a|e|i|o|u]"));
Assert.IsFalse(Regex.IsMatch(syllable, "[a|e|i|o|u]"));
Assert.IsFalse(Regex.IsMatch(endingSyllable, "[a|e|i|o|u]"));
}
}
public void Provider_WithCustomComponents_AllComponentsAppearInProviderOutput()
{
// In this test we define one instance of a vowel, vowel sequence
// leading consonant, leading consonant sequence, trailing consonant
// and trailing consonant sequence, then check that each instance occurs
// at least once in the provider's syllable generation.
var provider = new SyllableProvider()
.WithVowels("a")
.WithVowelSequences("ee")
.WithLeadingConsonants("b")
.WithLeadingConsonantSequences("cc")
.WithTrailingConsonants("d")
.WithTrailingConsonantSequences("ff")
.WithProbability(
vowelIsSequence: 0.5,
vowelBeginsStartingSyllable: 0.25,
consonantBeginsSyllable: 0.50,
consonantEndsSyllable: 0.50);
/*
* .WithProbability(y => y
* .OfVowelSequences(0.5)
* .OfStartingSyllableLeadingVowels(0.25)
* .OfLeadingConsonantSequences(0.50)
* .OfTrailingConsonants(0.50));
*/
bool foundVowel = false;
bool foundVowelSequence = false;
bool foundStartingConsonant = false;
bool foundStartingConsonantSequence = false;
bool foundEndingConsonant = false;
bool foundEndingConsonantSequence = false;
// Starting syllables only
for (int i = 0; i < 500; i++)
{
var syllable = provider.NextStartingSyllable();
if (syllable.Contains("a"))
{
foundVowel = true;
}
if (syllable.Contains("ee"))
{
foundVowelSequence = true;
}
if (syllable.Contains("b"))
{
foundStartingConsonant = true;
}
if (syllable.Contains("cc"))
{
foundStartingConsonantSequence = true;
}
if (syllable.Contains("d"))
{
foundEndingConsonant = true;
}
if (syllable.Contains("ff"))
{
foundEndingConsonantSequence = true;
}
}
Assert.IsTrue(foundVowel);
Assert.IsTrue(foundVowelSequence);
Assert.IsTrue(foundStartingConsonant);
Assert.IsTrue(foundStartingConsonantSequence);
Assert.IsTrue(foundEndingConsonant);
Assert.IsTrue(foundEndingConsonantSequence);
// Reset
foundVowel = false;
foundVowelSequence = false;
foundStartingConsonant = false;
foundStartingConsonantSequence = false;
foundEndingConsonant = false;
foundEndingConsonantSequence = false;
// All syllables
for (int i = 0; i < 500; i++)
{
var syllable = provider.NextSyllable();
if (syllable.Contains("a"))
{
foundVowel = true;
}
if (syllable.Contains("ee"))
{
foundVowelSequence = true;
}
if (syllable.Contains("b"))
{
foundStartingConsonant = true;
}
if (syllable.Contains("cc"))
{
foundStartingConsonantSequence = true;
}
if (syllable.Contains("d"))
{
foundEndingConsonant = true;
}
if (syllable.Contains("ff"))
{
foundEndingConsonantSequence = true;
}
}
Assert.IsTrue(foundVowel);
Assert.IsTrue(foundVowelSequence);
Assert.IsTrue(foundStartingConsonant);
Assert.IsTrue(foundStartingConsonantSequence);
Assert.IsTrue(foundEndingConsonant);
Assert.IsTrue(foundEndingConsonantSequence);
// Reset
foundVowel = false;
foundVowelSequence = false;
foundStartingConsonant = false;
foundStartingConsonantSequence = false;
foundEndingConsonant = false;
foundEndingConsonantSequence = false;
// Ending syllables only
for (int i = 0; i < 500; i++)
{
var syllable = provider.NextEndingSyllable();
if (syllable.Contains("a"))
{
foundVowel = true;
}
if (syllable.Contains("ee"))
{
foundVowelSequence = true;
}
if (syllable.Contains("b"))
{
foundStartingConsonant = true;
}
if (syllable.Contains("cc"))
{
foundStartingConsonantSequence = true;
}
if (syllable.Contains("d"))
{
foundEndingConsonant = true;
}
if (syllable.Contains("ff"))
{
foundEndingConsonantSequence = true;
}
}
Assert.IsTrue(foundVowel);
Assert.IsTrue(foundVowelSequence);
Assert.IsTrue(foundStartingConsonant);
Assert.IsTrue(foundStartingConsonantSequence);
Assert.IsTrue(foundEndingConsonant);
Assert.IsTrue(foundEndingConsonantSequence);
}