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wct-istanbub
Advanced tools
Instanbuljs coverage reporting for projects being tested by web-component-tester
Istanbul coverage plugin for web-component-tester.
Use this plugin to collect and report test coverage (via istanbul) for your project on each test run.
In order to use this coverage plugin use at least version 6.4.0 of web-component-tester
Check out this test repository for an example with 'app' and travis build
npm install wct-istanbub --save-dev
Add the following configuration to web-component-tester's config file.
module.exports = {
plugins: {
istanbub: {
reporters: ["text-summary", "lcov"],
include: [
"**/*.html"
],
exclude: [
"**/test/**"
]
}
}
}
Below are the available configuration options:
An array of istanbul reporters to use.
Files to include in instrumentation, default the basepath will be added - /components/${packagename}/{includepaths}
Files to exclude from instrumentation (this trumps files 'included' with the option above).
By default the '/test/' is excluded as istanbub crashes on some of the test tooling used by most projects and testing the coverage of your test files is not really useful.
default the basepath will be added - /components/${packagename}/{excludepaths}
Path to an Istanbul configuration file.
Overrides for the default Istanbul configuration. Check the default configuration for all available options.
Don't add the basepath to the include & exclude array's for specific use-cases
Support for npm based on where to retrieve basic assets from node_modules
instead of bower_components
Define support module import (node) or none, allowed values: node
and none
Defaults to none if npm false
or node if npm is true
Add babel plugins to default set: [importMeta
, asyncGenerators
, dynamicImport
, objectRestSpread
, optionalCatchBinding
, flow
, jsx
],
for example [dotallRegex
]. Duplicates will be filtered out
In addition to measuring coverage, this plugin can be used to enforce coverage thresholds. If coverage does not meet the configured thresholds, then the test run will fail, even if all tests passed.
This requires specifying the thresholds
option for the plugin
false
Set to true
to write coverage only if all tests pass
The following configuration will cause the test run to fail if less than 100% of the statements in instrumented files are covered by tests.
module.exports = {
plugins: {
istanbub: {
dir: "./coverage",
reporters: ["text-summary", "lcov"],
include: [
"**/*.html"
],
exclude: [
"**/test/**"
],
thresholds: {
global: {
statements: 100
}
}
}
}
}
[0.2.8] - 2018-11-07
FAQs
Instanbuljs coverage reporting for projects being tested by web-component-tester
The npm package wct-istanbub receives a total of 66 weekly downloads. As such, wct-istanbub popularity was classified as not popular.
We found that wct-istanbub demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
Did you know?
Socket for GitHub automatically highlights issues in each pull request and monitors the health of all your open source dependencies. Discover the contents of your packages and block harmful activity before you install or update your dependencies.
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