Using JavaScript Dependency Injection for Spies, stubs and mocks in unit testing.
I was in the process of picking a Dependency Injector for use in a project in JavaScript. My default to narrow down the top three is to use Google as my initial search and then GitHub's star count as the top-three filter and then compare the features that I need.
After looking a SinonJS, sandboxed-module, rewire, and proxyquire I decided to be slightly more analytical and objective about how I compared them. I decided to include the Watch and Fork count in addition to the Star count. I created a spreadsheet that compared them:
I averaged the modules giving each of the attributes a one third weighting. Given that starring is 27 times more common than watching you might question this weighting. I justify it because starring is a less costly action (no update emails) and more likely to do than watching.
Seeing this as a pie chart makes this information easier to absorb. The clear winner amongst these four modules is SinonJS with almost three-quarters of the attributes.
I was in the process of picking a Dependency Injector for use in a project in JavaScript. My default to narrow down the top three is to use Google as my initial search and then GitHub's star count as the top-three filter and then compare the features that I need.
After looking a SinonJS, sandboxed-module, rewire, and proxyquire I decided to be slightly more analytical and objective about how I compared them. I decided to include the Watch and Fork count in addition to the Star count. I created a spreadsheet that compared them:
| watch | star | fork | Avg | |
| rewire | 20 | 425 | 16 | 0.48 |
| sinon | 52 | 1471 | 233 | 2.08 |
| sandboxed | 10 | 190 | 24 | 0.29 |
| proxyquire | 2 | 195 | 12 | 0.15 |
| 84 | 2281 | 285 | 3 |
I averaged the modules giving each of the attributes a one third weighting. Given that starring is 27 times more common than watching you might question this weighting. I justify it because starring is a less costly action (no update emails) and more likely to do than watching.
Seeing this as a pie chart makes this information easier to absorb. The clear winner amongst these four modules is SinonJS with almost three-quarters of the attributes.
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