Duplicate code is one of the most pungent code smells. A rule that is often used is to re-structure code once it is duplicated in three or more places.
Common duplication problems, and corresponding solutions are:
1 | <?php |
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16 | class JsonApiControllerTest extends LaravelTestCase |
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17 | { |
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18 | /** |
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19 | * Setup DB before each test. |
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20 | */ |
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21 | public function setUp() |
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22 | { |
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23 | parent::setUp(); |
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24 | } |
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25 | |||
26 | /** |
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27 | * @test |
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28 | */ |
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29 | public function testListAction() |
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30 | { |
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31 | $response = $this->call('GET', 'http://localhost/api/v1/employees'); |
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32 | |||
33 | $this->assertEquals(200, $response->getStatusCode()); |
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34 | $this->assertEquals('application/vnd.api+json', $response->headers->get('Content-type')); |
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35 | } |
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36 | |||
37 | /** |
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38 | * @test |
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39 | */ |
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40 | public function testGetAction() |
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41 | { |
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42 | $content = <<<JSON |
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43 | { |
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44 | "data": { |
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45 | "type": "employee", |
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46 | "attributes": { |
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47 | "company": "NilPortugues.com", |
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48 | "surname": "Portugués", |
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49 | "first_name": "Nil", |
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50 | "email_address": "nilportugues@localhost", |
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51 | "job_title": "Web Developer", |
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52 | "business_phone": "(123)555-0100", |
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53 | "home_phone": "(123)555-0102", |
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54 | "mobile_phone": null, |
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55 | "fax_number": "(123)555-0103", |
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56 | "address": "Plaça Catalunya 1", |
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57 | "city": "Barcelona", |
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58 | "state_province": "Barcelona", |
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59 | "zip_postal_code": "08028", |
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60 | "country_region": "Spain", |
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61 | "web_page": "http://nilportugues.com", |
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62 | "notes": null, |
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63 | "attachments": null |
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64 | } |
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65 | } |
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66 | } |
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67 | JSON; |
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68 | |||
69 | $this->call('POST', 'http://localhost/api/v1/employees', json_decode($content, true), [], [], []); |
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70 | |||
71 | $response = $this->call('GET', 'http://localhost/api/v1/employees/1'); |
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72 | |||
73 | $this->assertEquals(200, $response->getStatusCode()); |
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74 | $this->assertEquals('application/vnd.api+json', $response->headers->get('Content-type')); |
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75 | } |
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76 | |||
77 | /** |
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78 | * @test |
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79 | */ |
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80 | public function testGetActionWhenEmployeeDoesNotExist() |
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81 | { |
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82 | $response = $this->call('GET', 'http://localhost/api/v1/employees/1000'); |
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83 | |||
84 | $this->assertEquals(404, $response->getStatusCode()); |
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85 | $this->assertEquals('application/vnd.api+json', $response->headers->get('Content-type')); |
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86 | } |
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87 | |||
88 | /** |
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89 | * @test |
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90 | */ |
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91 | public function testPostAction() |
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92 | { |
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93 | $content = <<<JSON |
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94 | { |
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95 | "data": { |
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96 | "type": "employee", |
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97 | "attributes": { |
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98 | "company": "NilPortugues.com", |
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99 | "surname": "Portugués", |
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100 | "first_name": "Nil", |
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101 | "email_address": "nilportugues@localhost", |
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102 | "job_title": "Web Developer", |
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103 | "business_phone": "(123)555-0100", |
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104 | "home_phone": "(123)555-0102", |
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105 | "mobile_phone": null, |
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106 | "fax_number": "(123)555-0103", |
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107 | "address": "Plaça Catalunya 1", |
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108 | "city": "Barcelona", |
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109 | "state_province": "Barcelona", |
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110 | "zip_postal_code": "08028", |
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111 | "country_region": "Spain", |
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112 | "web_page": "http://nilportugues.com", |
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113 | "notes": null, |
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114 | "attachments": null |
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115 | } |
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116 | } |
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117 | } |
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118 | JSON; |
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119 | $response = $this->call('POST', 'http://localhost/api/v1/employees', json_decode($content, true), [], [], []); |
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120 | |||
121 | $this->assertEquals(201, $response->getStatusCode()); |
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122 | $this->assertEquals('application/vnd.api+json', $response->headers->get('Content-type')); |
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123 | $this->assertEquals('http://localhost/api/v1/employees/1', $response->headers->get('Location')); |
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124 | } |
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125 | |||
126 | /** |
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127 | * @test |
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128 | */ |
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129 | public function testPostActionCreateNonexistentTypeAndReturnErrors() |
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130 | { |
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131 | $content = <<<JSON |
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132 | { |
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133 | "data": { |
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134 | "type": "not_employee", |
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135 | "attributes": {} |
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136 | } |
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137 | } |
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138 | JSON; |
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139 | $response = $this->call('POST', 'http://localhost/api/v1/employees', json_decode($content, true), [], [], []); |
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140 | |||
141 | $this->assertEquals(422, $response->getStatusCode()); |
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142 | $this->assertEquals('application/vnd.api+json', $response->headers->get('Content-type')); |
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143 | } |
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144 | |||
145 | /** |
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146 | * @test |
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147 | */ |
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148 | public function testPostActionReturnsErrorBecauseAttributesAreMissing() |
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149 | { |
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150 | $content = <<<JSON |
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151 | { |
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152 | "data": { |
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153 | "type": "employee", |
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154 | "attributes": { |
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155 | "company": "NilPortugues.com", |
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156 | "surname": "Portugués", |
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157 | "first_name": "Nil", |
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158 | "email_address": "nilportugues@localhost", |
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159 | "job_title": "Web Developer", |
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160 | "business_phone": "(123)555-0100", |
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161 | "home_phone": "(123)555-0102", |
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162 | "mobile_phone": null, |
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163 | "country_region": "Spain", |
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164 | "web_page": "http://nilportugues.com", |
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165 | "notes": null, |
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166 | "attachments": null |
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167 | } |
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168 | } |
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169 | } |
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170 | JSON; |
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171 | $response = $this->call('POST', 'http://localhost/api/v1/employees', json_decode($content, true), [], [], []); |
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172 | |||
173 | $this->assertEquals(422, $response->getStatusCode()); |
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174 | $this->assertEquals('application/vnd.api+json', $response->headers->get('Content-type')); |
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175 | } |
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176 | |||
177 | /** |
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178 | * @test |
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179 | */ |
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180 | public function testPatchActionWhenEmployeeDoesNotExistReturns400() |
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181 | { |
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182 | $content = <<<JSON |
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183 | { |
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184 | "data": { |
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185 | "type": "employee", |
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186 | "id": 1000, |
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187 | "attributes": { |
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188 | "email_address": "[email protected]" |
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189 | } |
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190 | } |
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191 | } |
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192 | JSON; |
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193 | $response = $this->call('PATCH', 'http://localhost/api/v1/employees/1000', json_decode($content, true), [], [], []); |
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194 | |||
195 | $this->assertEquals(400, $response->getStatusCode()); |
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196 | $this->assertEquals('application/vnd.api+json', $response->headers->get('Content-type')); |
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197 | } |
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198 | |||
199 | /** |
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200 | * @test |
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201 | */ |
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202 | public function testPutActionWhenEmployeeDoesNotExistReturns400() |
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203 | { |
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204 | $content = <<<JSON |
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205 | { |
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206 | "data": { |
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207 | "type": "employee", |
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208 | "id": 1000, |
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209 | "attributes": { |
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210 | "company": "NilPortugues.com", |
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211 | "surname": "Portugués", |
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212 | "first_name": "Nil", |
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213 | "email_address": "nilportugues@localhost", |
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214 | "job_title": "Full Stack Web Developer", |
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215 | "business_phone": "(123)555-0100", |
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216 | "home_phone": "(123)555-0102", |
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217 | "mobile_phone": null, |
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218 | "fax_number": "(123)555-0103", |
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219 | "address": "Plaça Catalunya 1", |
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220 | "city": "Barcelona", |
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221 | "state_province": "Barcelona", |
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222 | "zip_postal_code": "08028", |
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223 | "country_region": "Spain", |
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224 | "web_page": "http://nilportugues.com", |
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225 | "notes": null, |
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226 | "attachments": null |
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227 | } |
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228 | } |
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229 | } |
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230 | JSON; |
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231 | $response = $this->call('PUT', 'http://localhost/api/v1/employees/1000', json_decode($content, true), [], [], []); |
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232 | |||
233 | $this->assertEquals(400, $response->getStatusCode()); |
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234 | $this->assertEquals('application/vnd.api+json', $response->headers->get('Content-type')); |
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235 | } |
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236 | |||
237 | /** |
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238 | * @test |
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239 | */ |
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240 | public function testDeleteActionWhenEmployeeDoesNotExistReturns404() |
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241 | { |
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242 | $response = $this->call('DELETE', 'http://localhost/api/v1/employees/1000'); |
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243 | |||
244 | $this->assertEquals(404, $response->getStatusCode()); |
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245 | $this->assertEquals('application/vnd.api+json', $response->headers->get('Content-type')); |
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246 | } |
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247 | } |
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248 |