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Matchers.Features.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<title>Features - Jest-GeoJSON</title>
<meta
name="description"
content="An extended set of matcher functions for the Jest Javascript unit testing framework tailored to evaluating GeoJSON data."
/>
<meta
name="keywords"
content="jest-geojson, jest, testing, validation, geojson, test, gis, assertions, matchers, jest-tests, jest-matchers, javascript, node, npm"
/>
<meta
name="keyword"
content="jest-geojson, jest, testing, validation, geojson, test, gis, assertions, matchers, jest-tests, jest-matchers, javascript, node, npm"
/>
<meta property="og:title" content="Jest-GeoJSON Documentation" />
<meta property="og:type" content="article" />
<meta
property="og:image"
content="https://github.com/M-Scott-Lassiter/jest-geojson/blob/main/images/banner.svg"
/>
<meta property="og:site_name" content="Jest-GeoJSON" />
<meta property="og:url" content="https://github.com/M-Scott-Lassiter/jest-geojson" />
<script src="scripts/prettify/prettify.js"></script>
<script src="scripts/prettify/lang-css.js"></script>
<!--[if lt IE 9]>
<script src="//html5shiv.googlecode.com/svn/trunk/html5.js"></script>
<![endif]-->
<link type="text/css" rel="stylesheet" href="styles/prettify.css" />
<link type="text/css" rel="stylesheet" href="styles/jsdoc.css" />
<script src="scripts/nav.js" defer></script>
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
</head>
<body>
<input type="checkbox" id="nav-trigger" class="nav-trigger" />
<label for="nav-trigger" class="navicon-button x">
<div class="navicon"></div>
</label>
<label for="nav-trigger" class="overlay"></label>
<nav class="wrap">
<input type="text" id="nav-search" placeholder="Search" />
<h2><a href="index.html">Home</a></h2>
<h2>
<a
href="https://github.com/M-Scott-Lassiter/jest-geojson"
target="_blank"
class="menu-item"
id="repository"
>Github Repo</a
>
</h2>
<h3>Namespaces</h3>
<ul>
<li><a href="Core.html">Core</a></li>
<li>
<a href="Core.BoundingBoxes.html">Core.BoundingBoxes</a>
<ul class="methods">
<li data-type="method">
<a href="Core.BoundingBoxes.html#.valid2DBoundingBox"
>valid2DBoundingBox</a
>
</li>
<li data-type="method">
<a href="Core.BoundingBoxes.html#.valid3DBoundingBox"
>valid3DBoundingBox</a
>
</li>
<li data-type="method">
<a href="Core.BoundingBoxes.html#.validBoundingBox">validBoundingBox</a>
</li>
</ul>
</li>
<li>
<a href="Core.Coordinates.html">Core.Coordinates</a>
<ul class="methods">
<li data-type="method">
<a href="Core.Coordinates.html#.valid2DCoordinate">valid2DCoordinate</a>
</li>
<li data-type="method">
<a href="Core.Coordinates.html#.valid3DCoordinate">valid3DCoordinate</a>
</li>
<li data-type="method">
<a href="Core.Coordinates.html#.validCoordinate">validCoordinate</a>
</li>
</ul>
</li>
<li>
<a href="Core.FeatureCollections.html">Core.FeatureCollections</a>
<ul class="methods">
<li data-type="method">
<a href="Core.FeatureCollections.html#.featureCollection"
>featureCollection</a
>
</li>
</ul>
</li>
<li>
<a href="Core.Features.html">Core.Features</a>
<ul class="methods">
<li data-type="method">
<a href="Core.Features.html#.feature">feature</a>
</li>
<li data-type="method"><a href="Core.Features.html#.hasID">hasID</a></li>
</ul>
</li>
<li>
<a href="Core.Geometries.html">Core.Geometries</a>
<ul class="methods">
<li data-type="method">
<a href="Core.Geometries.html#.anyGeometry">anyGeometry</a>
</li>
<li data-type="method">
<a href="Core.Geometries.html#.geometryCollection"
>geometryCollection</a
>
</li>
<li data-type="method">
<a href="Core.Geometries.html#.lineStringGeometry"
>lineStringGeometry</a
>
</li>
<li data-type="method">
<a href="Core.Geometries.html#.multiLineStringGeometry"
>multiLineStringGeometry</a
>
</li>
<li data-type="method">
<a href="Core.Geometries.html#.multiPointGeometry"
>multiPointGeometry</a
>
</li>
<li data-type="method">
<a href="Core.Geometries.html#.multiPolygonGeometry"
>multiPolygonGeometry</a
>
</li>
<li data-type="method">
<a href="Core.Geometries.html#.pointGeometry">pointGeometry</a>
</li>
<li data-type="method">
<a href="Core.Geometries.html#.polygonGeometry">polygonGeometry</a>
</li>
</ul>
</li>
<li>
<a href="Core.Utilities.html">Core.Utilities</a>
<ul class="methods">
<li data-type="method">
<a href="Core.Utilities.html#.commonGeometryValidation"
>commonGeometryValidation</a
>
</li>
<li data-type="method">
<a href="Core.Utilities.html#.validGeoJSON">validGeoJSON</a>
</li>
</ul>
</li>
<li><a href="Matchers.html">Matchers</a></li>
<li>
<a href="Matchers.BoundingBoxes.html">Matchers.BoundingBoxes</a>
<ul class="methods">
<li data-type="method">
<a href="Matchers.BoundingBoxes.html#.isValid2DBoundingBox"
>isValid2DBoundingBox</a
>
</li>
<li data-type="method">
<a href="Matchers.BoundingBoxes.html#.isValid3DBoundingBox"
>isValid3DBoundingBox</a
>
</li>
<li data-type="method">
<a href="Matchers.BoundingBoxes.html#.isValidBoundingBox"
>isValidBoundingBox</a
>
</li>
</ul>
</li>
<li>
<a href="Matchers.Coordinates.html">Matchers.Coordinates</a>
<ul class="methods">
<li data-type="method">
<a href="Matchers.Coordinates.html#.isValid2DCoordinate"
>isValid2DCoordinate</a
>
</li>
<li data-type="method">
<a href="Matchers.Coordinates.html#.isValid3DCoordinate"
>isValid3DCoordinate</a
>
</li>
<li data-type="method">
<a href="Matchers.Coordinates.html#.isValidCoordinate"
>isValidCoordinate</a
>
</li>
</ul>
</li>
<li>
<a href="Matchers.FeatureCollections.html">Matchers.FeatureCollections</a>
<ul class="methods">
<li data-type="method">
<a href="Matchers.FeatureCollections.html#.toBeFeatureCollection"
>toBeFeatureCollection</a
>
</li>
</ul>
</li>
<li>
<a href="Matchers.Features.html">Matchers.Features</a>
<ul class="methods">
<li data-type="method">
<a href="Matchers.Features.html#.toBeFeature">toBeFeature</a>
</li>
<li data-type="method">
<a href="Matchers.Features.html#.toHaveID">toHaveID</a>
</li>
<li data-type="method">
<a href="Matchers.Features.html#.toHaveStringID">toHaveStringID</a>
</li>
</ul>
</li>
<li>
<a href="Matchers.Functional.html">Matchers.Functional</a>
<ul class="methods">
<li data-type="method">
<a href="Matchers.Functional.html#.toBeValidGeoJSON"
>toBeValidGeoJSON</a
>
</li>
</ul>
</li>
<li>
<a href="Matchers.Geometries.html">Matchers.Geometries</a>
<ul class="methods">
<li data-type="method">
<a href="Matchers.Geometries.html#.toBeAnyGeometry">toBeAnyGeometry</a>
</li>
<li data-type="method">
<a href="Matchers.Geometries.html#.toBeGeometryCollection"
>toBeGeometryCollection</a
>
</li>
<li data-type="method">
<a href="Matchers.Geometries.html#.toBeLineStringGeometry"
>toBeLineStringGeometry</a
>
</li>
<li data-type="method">
<a href="Matchers.Geometries.html#.toBeMultiLineStringGeometry"
>toBeMultiLineStringGeometry</a
>
</li>
<li data-type="method">
<a href="Matchers.Geometries.html#.toBeMultiPointGeometry"
>toBeMultiPointGeometry</a
>
</li>
<li data-type="method">
<a href="Matchers.Geometries.html#.toBeMultiPolygonGeometry"
>toBeMultiPolygonGeometry</a
>
</li>
<li data-type="method">
<a href="Matchers.Geometries.html#.toBePointGeometry"
>toBePointGeometry</a
>
</li>
<li data-type="method">
<a href="Matchers.Geometries.html#.toBePolygonGeometry"
>toBePolygonGeometry</a
>
</li>
</ul>
</li>
</ul>
</nav>
<div id="main">
<h1 class="page-title">Features</h1>
<section>
<header>
<h2>
<span class="ancestors"><a href="Matchers.html">Matchers</a>.</span>
Features
</h2>
</header>
<article>
<div class="container-overview">
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source">
<ul class="dummy">
<li>
<a href="typedefinitions.js.html">typedefinitions.js</a>,
<a href="typedefinitions.js.html#line51">line 51</a>
</li>
</ul>
</dd>
<dt class="tag-see">See:</dt>
<dd class="tag-see">
<ul>
<li>
<a
href="https://datatracker.ietf.org/doc/html/rfc7946#section-3.2"
>https://datatracker.ietf.org/doc/html/rfc7946#section-3.2</a
>
</li>
</ul>
</dd>
</dl>
<div class="description usertext">
A set of matchers related to validating feature objects.
</div>
</div>
<h3 class="subsection-title">Methods</h3>
<h4 class="name" id=".toBeFeature">
<span class="type-signature">(static) </span>toBeFeature<span
class="signature"
>(featureObject, geometryType)</span
><span class="type-signature"></span>
</h4>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source">
<ul class="dummy">
<li>
<a href="matchers_features_toBeFeature.js.html"
>matchers/features/toBeFeature.js</a
>,
<a href="matchers_features_toBeFeature.js.html#line59"
>line 59</a
>
</li>
</ul>
</dd>
<dt class="tag-see">See:</dt>
<dd class="tag-see">
<ul>
<li>
<a
href="https://github.com/M-Scott-Lassiter/jest-geojson/issues/24"
>https://github.com/M-Scott-Lassiter/jest-geojson/issues/24</a
>
</li>
</ul>
</dd>
</dl>
<div class="description usertext">
Verifies an object is a valid GeoJSON Feature. This object requires a "type"
member that must equal 'Feature', a "geometry" member that contains either
one of the seven valid GeoJSON geometry objects or an empty array, and a
"properties" member that is either an object of any composition or null.
Foreign members are allowed with the exception of 'coordinates',
'geometries', 'properties', or 'features'. If present, bounding boxes must
be valid.
</div>
<h5>Examples</h5>
<pre class="prettyprint"><code>const testFeature = {
"type": "Feature",
"bbox": [-10.0, -10.0, 10.0, 10.0],
"geometry": {
"type": "Polygon",
"coordinates": [
[
[-10.0, -10.0],
[10.0, -10.0],
[10.0, 10.0],
[-10.0, -10.0]
]
]
},
"properties": {
"prop0": "value0",
"prop1": {
"this": "that"
}
}
}
test('Object is valid GeoJSON Feature', () => {
expect(testFeature).toBeFeature()
expect(testFeature).toBeFeature('Polygon')
})</code></pre>
<pre class="prettyprint"><code>const multiPoint = {
type: "MultiPoint",
coordinates: [
[101.0, 0.0],
[102.0, 1.0]
]
}
test('Object is NOT valid GeoJSON Geometry Object', () => {
expect(multiPoint).not.toBeFeature()
expect(testFeature).not.toBeFeature('LineString')
expect(testFeature.geometry).not.toBeFeature('Polygon')
})</code></pre>
<h5>Parameters:</h5>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>featureObject</code></td>
<td class="type">
<span class="param-type">object</span>
</td>
<td class="description last">any GeoJSON Feature object</td>
</tr>
<tr>
<td class="name"><code>geometryType</code></td>
<td class="type">
<span class="param-type">string</span>
</td>
<td class="description last">
Optional string representing one of the seven GeoJSON geometry
types
</td>
</tr>
</tbody>
</table>
<h4 class="name" id=".toHaveID">
<span class="type-signature">(static) </span>toHaveID<span class="signature"
>(featureObject, SearchID<span class="signature-attributes">opt</span
>)</span
><span class="type-signature"></span>
</h4>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source">
<ul class="dummy">
<li>
<a href="matchers_features_toHaveID.js.html"
>matchers/features/toHaveID.js</a
>,
<a href="matchers_features_toHaveID.js.html#line45">line 45</a>
</li>
</ul>
</dd>
<dt class="tag-see">See:</dt>
<dd class="tag-see">
<ul>
<li>
<a
href="https://github.com/M-Scott-Lassiter/jest-geojson/issues/36"
>https://github.com/M-Scott-Lassiter/jest-geojson/issues/36</a
>
</li>
</ul>
</dd>
</dl>
<div class="description usertext">
Checks if a GeoJSON Feature has an ID. Passes if the Feature object has any
ID (no argument provided), or if the ID exactly matches the optional
argument (single string, number, or RegExp provided), or any value within an
array of any combination of strings, numbers, or RegExp. The test fails if
the object does not have an ID, or if it has an ID that does not match the
SearchID.
</div>
<h5>Examples</h5>
<pre class="prettyprint"><code>const testFeature1 = {
type: 'Feature',
id: 'f1',
geometry: {...},
properties: {...}
}
test('Feature Has an ID', () => {
expect(testFeature1).toHaveID()
expect(testFeature1).toHaveID([])
expect(testFeature1).toHaveID('f1')
expect(testFeature1).toHaveID([1, 'F', 'F12', /[a-z]+[0-9]+/])
expect(testFeature1).not.toHaveID('f2')
expect(testFeature1).not.toHaveID([1, 'F', 'F12', /SomeID/])
})</code></pre>
<pre class="prettyprint"><code>const testFeature2 = {
type: 'Feature',
geometry: {...},
properties: {...}
}
test('Feature Does not Have an ID', () => {
expect(testFeature2).not.toHaveID()
expect(testFeature2).not.toHaveID(2)
})</code></pre>
<h5>Parameters:</h5>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th>Attributes</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>featureObject</code></td>
<td class="type">
<span class="param-type">object</span>
</td>
<td class="attributes"></td>
<td class="description last">any GeoJSON Feature object</td>
</tr>
<tr>
<td class="name"><code>SearchID</code></td>
<td class="type">
<span class="param-type">string</span>
|
<span class="param-type">number</span>
|
<span class="param-type">RegExp</span>
|
<span class="param-type">Array.<string></span>
|
<span class="param-type">Array.<number></span>
|
<span class="param-type">Array.<RegExp></span>
</td>
<td class="attributes"><optional><br /></td>
<td class="description last">
Specific value or array of possible values to search for.
</td>
</tr>
</tbody>
</table>
<h4 class="name" id=".toHaveStringID">
<span class="type-signature">(static) </span>toHaveStringID<span
class="signature"
>(featureObject, SearchID<span class="signature-attributes">opt</span
>)</span
><span class="type-signature"></span>
</h4>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source">
<ul class="dummy">
<li>
<a href="matchers_features_toHaveStringID.js.html"
>matchers/features/toHaveStringID.js</a
>,
<a href="matchers_features_toHaveStringID.js.html#line57"
>line 57</a
>
</li>
</ul>
</dd>
<dt class="tag-see">See:</dt>
<dd class="tag-see">
<ul>
<li>
<a
href="https://github.com/M-Scott-Lassiter/jest-geojson/issues/37"
>https://github.com/M-Scott-Lassiter/jest-geojson/issues/37</a
>
</li>
</ul>
</dd>
</dl>
<div class="description usertext">
Checks if a GeoJSON Feature has a string ID. Passes if the Feature object
has any string ID (no argument provided), or if the ID exactly matches the
optional argument (single string or RegExp provided), or any value within an
array of any combination of strings or RegExp. The test fails if the object
does not have an ID, or if it has an ID that does not match the SearchID.
Passing a number type to SearchID will not pass the test, even if the ID
exactly matches.
</div>
<h5>Examples</h5>
<pre class="prettyprint"><code>const testFeature = {
type: 'Feature',
id: 'f1',
geometry: {...},
properties: {...}
}
test('Feature Has an ID', () => {
expect(testFeature).toHaveStringID()
expect(testFeature).toHaveStringID([])
expect(testFeature).toHaveStringID('f1')
expect(testFeature).toHaveStringID(['1', 'F', 'F12', /[a-z]+[0-9]+/])
expect(testFeature).not.toHaveStringID('f2')
expect(testFeature).not.toHaveStringID([1, 'F', 'F12', /SomeID/])
})</code></pre>
<pre class="prettyprint"><code>const testFeatureNoID = {
type: 'Feature',
geometry: {...},
properties: {...}
}
const testFeatureNumID = {
type: 'Feature',
id: 2,
geometry: {...},
properties: {...}
}
test('Feature Does not Have an ID', () => {
expect(testFeature).not.toHaveStringID('f2')
expect(testFeature).not.toHaveStringID([1, 'F', 'F12', /SomeID/])
expect(testFeatureNoID).not.toHaveStringID()
expect(testFeatureNumID).not.toHaveStringID()
expect(testFeatureNumID).not.toHaveStringID(2)
})</code></pre>
<h5>Parameters:</h5>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th>Attributes</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>featureObject</code></td>
<td class="type">
<span class="param-type">object</span>
</td>
<td class="attributes"></td>
<td class="description last">any GeoJSON Feature object</td>
</tr>
<tr>
<td class="name"><code>SearchID</code></td>
<td class="type">
<span class="param-type">string</span>
|
<span class="param-type">RegExp</span>
|
<span class="param-type">Array.<string></span>
|
<span class="param-type">Array.<RegExp></span>
</td>
<td class="attributes"><optional><br /></td>
<td class="description last">
Specific value or array of possible values to search for.
</td>
</tr>
</tbody>
</table>
</article>
</section>
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