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View specHelper.js
import deepFreeze from 'deep-freeze'
import configureStore from '../app/store/'
export const reduce = (actions) => {
const store = configureStore()
actions.forEach(action => store.dispatch(action))
return store.getState()
}
export const reductio = (reducer, actions) => {
@kevinrutherford
kevinrutherford / bundle-bisect.sh
Created Mar 6, 2015
Sometimes I need to figure out which gem update broke my build.
View bundle-bisect.sh
#! /bin/sh
#
GEMFILE=Gemfile.lock
[ $# -lt 1 ] && { echo "Usage: $0 cmd" >&2; return 1; }
[ -r $GEMFILE ] || { echo "Cannot find $GEMFILE" >&2; return 1; }
cmd="$@"
@kevinrutherford
kevinrutherford / Checkout.java
Created Feb 9, 2015
The checkout kata after 5 stages of connascence removal
View Checkout.java
public class Checkout {
private Money balance = Money.ZERO;
private MultibuyDiscount discount;
public Checkout(MultibuyDiscount discount) {
this.discount = discount.reset();
}
public Checkout scan(String sku, Money price) {
View CalculatorTests.java
import static org.junit.Assert.*;
import org.junit.Before;
import org.junit.Test;
public class OsheroveTests {
private Calculator calculator;
@Before
public void setUp() throws Exception {
@kevinrutherford
kevinrutherford / CalculatorFactory.java
Created Dec 23, 2014
Parts of a string calculator
View CalculatorFactory.java
package ocpCalc;
import java.util.HashMap;
import java.util.Map;
public class CalculatorFactory {
public Calculator create() {
BinaryInfixParser arithmeticParser = new BinaryInfixParser(operators());
Parser parser = new EmptyStringParser(arithmeticParser);
View AdjustQualityBy.java
public class AdjustQualityBy implements Adjuster {
private int adjustment;
public AdjustQualityBy(int adjustment) {
this.adjustment = adjustment;
}
public void adjust(Item item) {
item.setQuality(item.getQuality() + adjustment);
if (item.getSellIn() < 0)
View factorial_list_hylomorphism.rb
Pair = Struct.new(:head, :tail)
Either = Struct.new(:val)
class Left < Either
def value(pair, hylo)
pair.head
end
end
View OcpPotterTester.java
import static org.junit.Assert.*;
import org.junit.Test;
public class OcpPotterTester {
private double price(int... books) {
Basket basket = new BasketFactory().create();
return basket.bestPrice(books);
}
View PotterTester.java
import static org.junit.Assert.*;
import org.junit.Test;
public class PotterTester {
private double price(int... books) {
return 0.0;
}
@Test
@kevinrutherford
kevinrutherford / event_bus_spec.rb
Last active Dec 17, 2015
How can I remove the duplicated Then clauses in these specs?
View event_bus_spec.rb
context 'EventBus methods cascade' do
context 'clear' do
When(:result) { EventBus.clear }
Then { result.should == EventBus }
end
context 'publish' do
When(:result) { EventBus.publish('aa123bb', {}) }
Then { result.should == EventBus }