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120 lines
5.8 KiB
120 lines
5.8 KiB
# solidity-coverage
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[](https://gitter.im/sc-forks/solidity-coverage?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
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[](https://badge.fury.io/js/solidity-coverage)
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[](https://circleci.com/gh/sc-forks/solidity-coverage)
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[](https://codecov.io/gh/sc-forks/solidity-coverage)
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### Code coverage for Solidity testing
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+ For more details about what this is, how it works and potential limitations, see
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[the accompanying article](https://blog.colony.io/code-coverage-for-solidity-eecfa88668c2).
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+ `solidity-coverage` is in development and **its accuracy is unknown.** If you
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find discrepancies between the coverage report and your suite's behavior, please open an
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[issue](https://github.com/sc-forks/solidity-coverage/issues).
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+ `solidity-coverage` is [Solcover](https://github.com/JoinColony/solcover)
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### Install
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```
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$ npm install --save-dev solidity-coverage
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```
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### Usage notes:
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+ For pragma solidity >=0.4.22 <0.6.0 / Petersburg
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+ Coverage runs tests a little more slowly.
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+ Coverage distorts gas consumption.
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+ Coverage launches its own in-process ganache instance. You can
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set [ganache options](https://github.com/trufflesuite/ganache-core#options) via
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the `providerOptions` key in your `.solcover.js` config file.
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### Truffle V5
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Add "solidity-coverage" to your plugins array in `truffle-config.js`
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```javascript
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module.exports = {
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networks: {...},
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plugins: ["solidity-coverage"]
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}
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```
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Run
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```
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truffle run coverage [options]
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```
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### Command Options
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| Option | Example | Description |
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|--------------|--------------------------------|-------------|
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| --file | --file="test/registry/*.js" | Filename or glob describing a subset of JS tests to run. (Globs must be enclosed by quotes.)|
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| --solcoverjs | --solcoverjs ./../.solcover.js | Relative path from working directory to config. Useful for monorepo packages that share settings. (Path must be "./" prefixed) |
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| --version | | Version info |
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| --help | | Usage notes |
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|<img width=250/>|<img width=500/> |<img width=100/>|
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### Config Options
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Additional options can be specified in a `.solcover.js` config file located in
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the root directory of your project.
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**Example:**
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```javascript
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module.exports = {
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skipFiles: ['Routers/EtherRouter.sol']
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};
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```
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| Option | Type | Default | Description |
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| ------ | ---- | ------- | ----------- |
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| client | *Object* | require("truffle").ganache | Useful if you need a specific ganache version. (usage: `client: require("ganache-core")`)|
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| providerOptions | *Object* | {} | ganache-core options (ex: `network_id: 55`). Complete list of options [here](https://github.com/trufflesuite/ganache-core#options). |
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| skipFiles | *Array* | `['Migrations.sol']` | Array of contracts or folders (with paths expressed relative to the `contracts` directory) that should be skipped when doing instrumentation. `Migrations.sol` is skipped by default, and does not need to be added to this configuration option if it is used. |
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| istanbulReporter | *Array* | ['html', 'lcov', 'text'] | Coverage reporters for Istanbul. Optional reporter replaces the default reporters. |
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### FAQ
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Common problems & questions:
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+ [Running out of gas](https://github.com/sc-forks/solidity-coverage/blob/master/docs/faq.md#running-out-of-gas)
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+ [Running out of memory (locally and in CI)](https://github.com/sc-forks/solidity-coverage/blob/master/docs/faq.md#running-out-of-memory-locally-and-in-ci)
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+ [Running out of time (in mocha)](https://github.com/sc-forks/solidity-coverage/blob/master/docs/faq.md#running-out-of-time-in-mocha)
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+ [Running in CI](https://github.com/sc-forks/solidity-coverage/blob/master/docs/faq.md#continuous-integration-installing-metacoin-on-travisci-with-coveralls)
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+ [Why are asserts and requires highlighted as branch points?](https://github.com/sc-forks/solidity-coverage/blob/master/docs/faq.md#why-has-my-branch-coverage-decreased-why-is-assert-being-shown-as-a-branch-point)
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### Example reports
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+ [metacoin](https://sc-forks.github.io/metacoin/) (Istanbul HTML)
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+ [openzeppelin-solidity](https://coveralls.io/github/OpenZeppelin/openzeppelin-solidity?branch=master) (Coveralls)
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### Contribution Guidelines
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Contributions are welcome! If you're opening a PR that adds features please consider writing some
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[unit tests](https://github.com/sc-forks/solidity-coverage/tree/master/test) for them. Bugs can be
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reported in the [issues](https://github.com/sc-forks/solidity-coverage/issues).
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Set up the development environment with:
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```
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$ git clone https://github.com/sc-forks/solidity-coverage.git
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$ yarn
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```
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### Contributors
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+ [@area](https://github.com/area)
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+ [@cgewecke](https://github.com/cgewecke)
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+ [@adriamb](https://github.com/adriamb)
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+ [@cag](https://github.com/cag)
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+ [@maurelian](https://github.com/maurelian)
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+ [@rudolfix](https://github.com/rudolfix)
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+ [@phiferd](https://github.com/phiferd)
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+ [@e11io](https://github.com/e11io)
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+ [@elenadimitrova](https://github.com/elenadimitrova)
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+ [@ukstv](https://github.com/ukstv)
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+ [@vdrg](https://github.com/vdrg)
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+ [@andresliva](https://github.com/andresilva)
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+ [@DimitarSD](https://github.com/DimitarSD)
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+ [@sohkai](https://github.com/sohkai)
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+ [@bingen](https://github.com/bingen)
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+ [@pinkiebell](https://github.com/pinkiebell)
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+ [@obernardovieira](https://github.com/obernardovieira)
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+ [@angus-hamill](https://github.com/angus-hamill)
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+ [@kandrianov](https://github.com/kandrianov)
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