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npryce / ElasticSearch Deadlock Test
Created Feb 28, 2011
Demonstrates deadlock when searching an ElasticSearch index immediately after creating it
View ElasticSearch Deadlock Test
package acceptance.giraffe.indexing;
import org.elasticsearch.action.admin.indices.create.CreateIndexRequest;
import org.elasticsearch.action.admin.indices.create.CreateIndexResponse;
import org.elasticsearch.client.Client;
import org.elasticsearch.cluster.metadata.IndexMetaData;
npryce /
Created Mar 1, 2011
Test to demonstrate search after refresh problem
package acceptance.giraffe.indexing;
import java.util.SortedMap;
import java.util.TreeMap;
import org.junit.rules.MethodRule;
import org.junit.runners.model.FrameworkMethod;
import org.junit.runners.model.Statement;
public class Repeat implements MethodRule {
npryce /
Created May 28, 2011
Decorator to mark tests as work in progress for Python's Nose testing framework
from functools import wraps
from nose.plugins.attrib import attr
from nose.plugins.skip import SkipTest
def fail(message):
raise AssertionError(message)
def wip(f):
npryce / java-generics-hell
Created Jul 29, 2011
Java Generics Hell
View java-generics-hell
import java.util.Comparator;
public class GenericsHell {
public static void compareSomeNumbers(Comparator<Integer> numberComparison) {
// ... elided ...
public static <T> Comparator<T> arbitraryOrder() {
return new Comparator<T>() {
npryce / trees.lua
Created Nov 9, 2011
Random Trees for Codea
View trees.lua
function setup()
    seed = 1
function draw()
    background(136, 207, 224, 255)
    fill(61, 109, 31, 255)
    rect(0, 0, WIDTH, 128)
npryce / ZXMonospace.lua
Created Nov 27, 2011
Monospace bitmap font for Codea based on ZX Spectrum font (nostalgia!)
View ZXMonospace.lua
function ZXMonospace()
    return BitmapFont {
        height = 8,
        charSpacing = 0,
        lineSpacing = 0,
        ["!"] = {
            "        ",
            "   X    ",
npryce / ZXProportional.lua
Created Nov 27, 2011
Proportional Font based on ZX Spectrum font
View ZXProportional.lua
function ZXProportional()
return BitmapFont {
height = 8,
charSpacing = 1,
lineSpacing = 0,
["!"] = {
" ",
npryce / gist:3840872
Created Oct 5, 2012
Two-Dimensional Cucumber Table
View gist:3840872
|Key Press:
paused |paused|fwd x 1|fwd x 2 |rew x 1 |show live tv
fwd x 1 |paused|fwd x 1|fwd x 2 |rew x 1 |show live tv
fwd x 2 |paused|fwd x 1|fwd x 6 |rew x 1 |show live tv
fwd x 6 |paused|fwd x 1|fwd x 12|rew x 1 |show live tv
fwd x 12 |paused|fwd x 1|fwd x 30|rew x 1 |show live tv
fwd x 30 |paused|fwd x 1|fwd x 30|rew x 1 |show live tv
rew x 1 |paused|fwd x 1|fwd x 2 |rew x 2 |show live tv
npryce /
Created Nov 3, 2012
QuickCheck for Python and Py.Test
def dicts(d):
keys, value_iters = zip(*d.items())
return (dict(zip(keys,values)) for values in zip(*value_iters))
def property(test_fn=None, tests=100):
def bind_parameters(test_fn):
arg_bindings = dicts(test_fn.__annotations__)
def bound_test_fn():
for args in itertools.islice(arg_bindings, tests):
npryce /
Last active Jun 7, 2021
Property-Based Testing Tools

If you're coming to the Property-Based TDD As If You Meant It Workshop, you will need to bring a laptop with your favourite programming environment, a property-based testing library and, depending on the language, a test framework to run the property-based-tests.

Any other languages or suggestions? Comment below.

.NET (C#, F#, VB)