1 | <?php |
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2 | /** |
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3 | * PHP Billing Library |
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4 | * |
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5 | * @link https://github.com/hiqdev/php-billing |
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6 | * @package php-billing |
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7 | * @license BSD-3-Clause |
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8 | * @copyright Copyright (c) 2017-2018, HiQDev (http://hiqdev.com/) |
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9 | */ |
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10 | |||
11 | namespace hiqdev\php\billing\tests\behat\bootstrap; |
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12 | |||
13 | use Behat\Behat\Context\Context; |
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14 | use Closure; |
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15 | use DateTimeImmutable; |
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16 | use hiqdev\php\billing\action\Action; |
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17 | use hiqdev\php\billing\charge\Charge; |
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18 | use hiqdev\php\billing\charge\ChargeInterface; |
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19 | use hiqdev\php\billing\charge\Generalizer; |
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20 | use hiqdev\php\billing\customer\Customer; |
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21 | use hiqdev\php\billing\formula\FormulaEngine; |
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22 | use hiqdev\php\billing\order\Calculator; |
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23 | use hiqdev\php\billing\price\SinglePrice; |
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24 | use hiqdev\php\billing\target\Target; |
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25 | use hiqdev\php\billing\type\Type; |
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26 | use hiqdev\php\units\Quantity; |
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27 | use Money\Currencies\ISOCurrencies; |
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28 | use Money\Parser\DecimalMoneyParser; |
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29 | use NumberFormatter; |
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30 | use PHPUnit\Framework\Assert; |
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31 | |||
32 | /** |
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33 | * Defines application features from the specific context. |
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34 | */ |
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35 | class FeatureContext implements Context |
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36 | { |
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37 | protected $engine; |
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38 | |||
39 | /** @var Customer */ |
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40 | protected $customer; |
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41 | /** |
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42 | * @var \hiqdev\php\billing\price\PriceInterface|\hiqdev\php\billing\charge\FormulaChargeModifierTrait |
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43 | * |
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44 | * TODO: FormulaChargeModifierTrait::setFormula() must be moved to interface |
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45 | */ |
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46 | protected $price; |
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47 | |||
48 | /** @var string */ |
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49 | protected $formula; |
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50 | |||
51 | /** |
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52 | * @var \hiqdev\php\billing\action\ActionInterface|\hiqdev\php\billing\action\AbstractAction |
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53 | */ |
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54 | protected $action; |
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55 | /** |
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56 | * @var ChargeInterface[] |
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57 | */ |
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58 | protected $charges; |
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59 | |||
60 | /** @var \Money\MoneyParser */ |
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61 | protected $moneyParser; |
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62 | |||
63 | /** @var string */ |
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64 | protected $expectedError; |
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65 | |||
66 | /** |
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67 | * Initializes context. |
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68 | */ |
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69 | public function __construct() |
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70 | { |
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71 | $this->customer = new Customer(null, 'somebody'); |
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72 | $this->moneyParser = new DecimalMoneyParser(new ISOCurrencies()); |
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73 | $this->generalizer = new Generalizer(); |
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74 | $this->calculator = new Calculator($this->generalizer, null, null); |
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75 | } |
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76 | |||
77 | /** |
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78 | * @Given /(\S+) (\S+) price is ([0-9.]+) (\w+) per (\w+)/ |
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79 | */ |
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80 | public function priceIs($target, $type, $sum, $currency, $unit) |
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81 | { |
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82 | $type = new Type(Type::ANY, $type); |
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83 | $target = new Target(Target::ANY, $target); |
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84 | $quantity = Quantity::create($unit, 0); |
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85 | $sum = $this->moneyParser->parse($sum, $currency); |
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86 | $this->price = new SinglePrice(null, $type, $target, null, $quantity, $sum); |
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87 | } |
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88 | |||
89 | /** |
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90 | * @Given /action is (\S+) (\w+) ([0-9.]+) (\S+)/ |
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91 | */ |
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92 | public function actionIs($target, $type, $amount, $unit) |
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93 | { |
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94 | $type = new Type(Type::ANY, $type); |
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95 | $target = new Target(Target::ANY, $target); |
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96 | $quantity = Quantity::create($unit, $amount); |
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97 | $time = new DateTimeImmutable(); |
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98 | $this->action = new Action(null, $type, $target, $quantity, $this->customer, $time); |
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99 | } |
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100 | |||
101 | /** |
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102 | * @Given /formula is (.+)/ |
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103 | * @param string $formula |
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104 | */ |
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105 | public function formulaIs(string $formula): void |
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106 | { |
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107 | $this->formula = $formula; |
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108 | } |
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109 | |||
110 | /** |
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111 | * @Given /formula continues (.+)/ |
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112 | * @param string $formula |
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113 | */ |
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114 | public function formulaContinues(string $formula): void |
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115 | { |
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116 | $this->formula .= "\n" . $formula; |
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117 | } |
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118 | |||
119 | protected function getFormulaEngine() |
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120 | { |
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121 | if ($this->engine === null) { |
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122 | $this->engine = new FormulaEngine(); |
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123 | } |
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124 | |||
125 | return $this->engine; |
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126 | } |
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127 | |||
128 | /** |
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129 | * @When /action date is ([0-9.-]+)/ |
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130 | * @param string $date |
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131 | * @throws \Exception |
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132 | */ |
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133 | public function actionDateIs(string $date): void |
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134 | { |
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135 | $this->action->setTime(new DateTimeImmutable($date)); |
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136 | } |
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137 | |||
138 | /** |
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139 | * @Then /^error is$/m |
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140 | */ |
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141 | public function multilineErrorIs(\Behat\Gherkin\Node\PyStringNode $value) |
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142 | { |
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143 | $this->expectedError = $value->getRaw(); |
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144 | } |
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145 | |||
146 | /** |
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147 | * @Then /^error is (.+)$/ |
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148 | * |
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149 | * @param string $error |
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150 | */ |
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151 | public function errorIs($error): void |
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152 | { |
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153 | $this->expectedError = $error; |
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154 | } |
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155 | |||
156 | /** |
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157 | * @Then /^(\w+) charge is ?$/ |
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158 | * @param string $numeral |
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159 | */ |
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160 | public function emptyCharge(string $numeral): void |
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161 | { |
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162 | $this->chargeIs($numeral); |
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163 | } |
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164 | |||
165 | /** |
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166 | * @Then /^(\w+) charge is (\S+) +(-?[0-9.]+) ([A-Z]{3})$/ |
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167 | */ |
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168 | public function chargeWithSum($numeral, $type = null, $sum = null, $currency = null): void |
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169 | { |
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170 | $this->chargeIs($numeral, $type, $sum, $currency); |
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171 | } |
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172 | |||
173 | /** |
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174 | * @Then /^(\w+) charge is (\S+) +(-?[0-9.]+) ([A-Z]{3}) reason (.+)/ |
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175 | */ |
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176 | public function chargeWithReason($numeral, $type = null, $sum = null, $currency = null, $reason = null): void |
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177 | { |
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178 | $this->chargeIs($numeral, $type, $sum, $currency, $reason); |
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179 | } |
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180 | |||
181 | public function chargeIs($numeral, $type = null, $sum = null, $currency = null, $reason = null): void |
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182 | { |
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183 | $no = $this->ensureNo($numeral); |
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184 | if ($no === 0) { |
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185 | $this->calculatePrice(); |
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186 | } |
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187 | $this->assertCharge($this->charges[$no] ?? null, $type, $sum, $currency, $reason); |
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188 | } |
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189 | |||
190 | /** |
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191 | * @When /^calculating charges$/ |
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192 | */ |
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193 | public function calculatePrice(): void |
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194 | { |
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195 | $this->expectError(function () { |
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196 | $this->price->setModifier($this->getFormulaEngine()->build($this->formula)); |
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197 | $this->charges = $this->calculator->calculatePrice($this->price, $this->action); |
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198 | }); |
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199 | } |
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200 | |||
201 | public function expectError(Closure $closure): void |
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202 | { |
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203 | try { |
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204 | call_user_func($closure); |
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205 | } catch (\Exception $e) { |
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206 | if ($this->isExpectedError($e)) { |
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207 | $this->expectedError = null; |
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208 | } else { |
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209 | throw $e; |
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210 | } |
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211 | } |
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212 | if ($this->expectedError) { |
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213 | throw new \Exception('failed receive expected exception'); |
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214 | } |
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215 | } |
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216 | |||
217 | protected function isExpectedError(\Exception $e): bool |
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218 | { |
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219 | return $this->startsWith($e->getMessage(), $this->expectedError); |
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220 | } |
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221 | |||
222 | protected function startsWith(string $string, string $prefix = null): bool |
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223 | { |
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224 | return $prefix && strncmp($string, $prefix, strlen($prefix)) === 0; |
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225 | } |
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226 | |||
227 | /** |
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228 | * @param ChargeInterface|null $charge |
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229 | * @param string|null $type |
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230 | * @param string|null $sum |
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231 | * @param string|null $currency |
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232 | * @param string|null $reason |
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233 | */ |
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234 | public function assertCharge($charge, $type, $sum, $currency, $reason): void |
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235 | { |
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236 | if (empty($type) && empty($sum) && empty($currency)) { |
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237 | Assert::assertNull($charge); |
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238 | |||
239 | return; |
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240 | } |
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241 | Assert::assertInstanceOf(Charge::class, $charge); |
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242 | Assert::assertSame($type, $this->normalizeType($charge->getType()->getName())); |
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243 | $money = $this->moneyParser->parse($sum, $currency); |
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244 | Assert::assertEquals($money, $charge->getSum()); |
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245 | if ($reason !== null) { |
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246 | Assert::assertSame($reason, $charge->getComment()); |
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247 | } |
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248 | } |
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249 | |||
250 | private function normalizeType($string): string |
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251 | { |
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252 | return $string === 'discount,discount' ? 'discount' : $string; |
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253 | } |
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254 | |||
255 | private function ensureNo(string $numeral): int |
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256 | { |
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257 | $formatter = new NumberFormatter('en_EN', NumberFormatter::SPELLOUT); |
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258 | $result = $formatter->parse($numeral); |
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259 | if ($result === false) { |
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260 | throw new \Exception("Wrong numeral '$numeral'"); |
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261 | } |
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262 | |||
263 | return --$result; |
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264 | } |
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265 | } |
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266 |