@angular/flex-layout
Version:
Angular Flex-Layout =======
187 lines • 24.8 kB
JavaScript
const _global = (typeof window === 'undefined' ? global : window);
import { _dom as _ } from './dom-tools';
import { applyCssPrefixes, extendObject, } from '@angular/flex-layout/_private-utils';
export const expect = _global.expect;
/**
* NOTE: These custom JASMINE Matchers are used only
* in the Karma/Jasmine testing for the Layout Directives
* in `src/lib/flex/api`
*/
export const customMatchers = {
toEqual: function (util) {
return {
compare: function (actual, expected) {
return { pass: util.equals(actual, expected) };
}
};
},
toHaveText: function () {
return {
compare: function (actual, expectedText) {
const actualText = elementText(actual);
return {
pass: actualText == expectedText,
get message() {
return 'Expected ' + actualText + ' to be equal to ' + expectedText;
}
};
}
};
},
toHaveCssClass: function () {
return { compare: buildError(false), negativeCompare: buildError(true) };
function buildError(isNot) {
return function (actual, className) {
return {
pass: _.hasClass(actual, className) == !isNot,
get message() {
return `
Expected ${actual.outerHTML} ${isNot ? 'not ' : ''}
to contain the CSS class '${className}'
`;
}
};
};
}
},
toHaveMap: function () {
return {
compare: function (actual, map) {
let allPassed;
allPassed = Object.keys(map).length !== 0;
Object.keys(map).forEach(key => {
allPassed = allPassed && (actual[key] === map[key]);
});
return {
pass: allPassed,
get message() {
return `
Expected ${JSON.stringify(actual)} ${!allPassed ? ' ' : 'not '} to contain the
'${JSON.stringify(map)}'
`;
}
};
}
};
},
toHaveAttributes: function () {
return {
compare: function (actual, map) {
let allPassed;
let attributeNames = Object.keys(map);
allPassed = attributeNames.length !== 0;
attributeNames.forEach(name => {
allPassed = allPassed && _.hasAttribute(actual, name)
&& _.getAttribute(actual, name) === map[name];
});
return {
pass: allPassed,
get message() {
return `
Expected ${actual.outerHTML} ${allPassed ? 'not ' : ''} attributes to contain
'${JSON.stringify(map)}'
`;
}
};
}
};
},
/**
* Check element's inline styles only
*/
toHaveStyle: function () {
return {
compare: buildCompareStyleFunction(true)
};
},
/**
* Check element's css stylesheet only (if not present inline)
*/
toHaveCSS: function () {
return {
compare: buildCompareStyleFunction(false)
};
}
};
/**
* Curried value to function to check styles that are inline or in a stylesheet for the
* specified DOM element.
*/
function buildCompareStyleFunction(inlineOnly = true) {
return function (actual, styles, styler) {
const found = {};
const styleMap = {};
if (typeof styles === 'string') {
styleMap[styles] = '';
}
else {
Object.assign(styleMap, styles);
}
let allPassed = Object.keys(styleMap).length !== 0;
Object.keys(styleMap).forEach(prop => {
let { elHasStyle, current } = hasPrefixedStyles(actual, prop, styleMap[prop], inlineOnly, styler);
allPassed = allPassed && elHasStyle;
if (!elHasStyle) {
extendObject(found, current);
}
});
return {
pass: allPassed,
get message() {
const expectedValueStr = (typeof styles === 'string') ? styleMap :
JSON.stringify(styleMap, null, 2);
const foundValueStr = inlineOnly ? actual.outerHTML : JSON.stringify(found);
return `
Expected ${foundValueStr}${!allPassed ? '' : ' not'} to contain the
CSS ${typeof styles === 'string' ? 'property' : 'styles'} '${expectedValueStr}'
`;
}
};
};
}
/**
* Validate presence of requested style or use fallback
* to possible `prefixed` styles. Useful when some browsers
* (Safari, IE, etc) will use prefixed style instead of defaults.
*/
function hasPrefixedStyles(actual, key, value, inlineOnly, styler) {
const current = {};
if (value === '*') {
return { elHasStyle: styler.lookupStyle(actual, key, inlineOnly) !== '', current };
}
value = value.trim();
let elHasStyle = styler.lookupStyle(actual, key, inlineOnly) === value;
if (!elHasStyle) {
let prefixedStyles = applyCssPrefixes({ [key]: value });
Object.keys(prefixedStyles).forEach(prop => {
// Search for optional prefixed values
elHasStyle = elHasStyle ||
styler.lookupStyle(actual, prop, inlineOnly) === prefixedStyles[prop];
});
}
// Return BOTH confirmation and current computed key values (if confirmation == false)
return { elHasStyle, current };
}
function elementText(n) {
const hasNodes = (m) => {
const children = _.childNodes(m);
return children && children['length'];
};
if (n instanceof Array) {
return n.map(elementText).join('');
}
if (_.isCommentNode(n)) {
return '';
}
if (_.isElementNode(n) && _.tagName(n) == 'CONTENT') {
return elementText(Array.prototype.slice.apply(_.getDistributedNodes(n)));
}
if (_.hasShadowRoot(n)) {
return elementText(_.childNodesAsList(_.getShadowRoot(n)));
}
if (hasNodes(n)) {
return elementText(_.childNodesAsList(n));
}
return _.getText(n);
}
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* @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\ndeclare var global: any;\nconst _global = <any>(typeof window === 'undefined' ? global : window);\n\nimport {_dom as _} from './dom-tools';\n\nimport {applyCssPrefixes, extendObject, } from '@angular/flex-layout/_private-utils';\nimport {StyleUtils} from '@angular/flex-layout/core';\n\nexport const expect: (actual: any) => NgMatchers = <any> _global.expect;\n\n/**\n * Jasmine matchers that check Angular specific conditions.\n */\nexport interface NgMatchers extends jasmine.Matchers<any> {\n  /**\n   * Expect the element to have exactly the given text.\n   *\n   * ## Example\n   *\n   * {@example testing/ts/matchers.ts region='toHaveText'}\n   */\n  toHaveText(expected: string): boolean;\n\n  /**\n   * Compare key:value pairs as matching EXACTLY\n   */\n  toHaveMap(expected: { [k: string]: string }): boolean;\n\n  /**\n   * Expect the element to have the given CSS class.\n   *\n   * ## Example\n   *\n   * {@example testing/ts/matchers.ts region='toHaveCssClass'}\n   */\n  toHaveCssClass(expected: string): boolean;\n\n  /**\n   * Expect the element to have the given pairs of attribute name and attribute value\n   */\n  toHaveAttributes(expected: { [k: string]: string }): boolean;\n\n  /**\n   * Expect the element to have the given CSS styles injected INLINE\n   *\n   * ## Example\n   *\n   * {@example testing/ts/matchers.ts region='toHaveStyle'}\n   */\n  toHaveStyle(expected: { [k: string]: string } | string): boolean;\n\n  /**\n   * Expect the element to have the given CSS inline OR computed styles.\n   *\n   * ## Example\n   *\n   * {@example testing/ts/matchers.ts region='toHaveStyle'}\n   */\n  toHaveStyle(expected: { [k: string]: string } | string): boolean;\n\n  /**\n   * Invert the matchers.\n   */\n  not: NgMatchers;\n}\n\n/**\n * NOTE: These custom JASMINE Matchers are used only\n *       in the Karma/Jasmine testing for the Layout Directives\n *       in `src/lib/flex/api`\n */\nexport const customMatchers: jasmine.CustomMatcherFactories = {\n\n  toEqual: function (util) {\n    return {\n      compare: function (actual: any, expected: any) {\n        return {pass: util.equals(actual, expected)};\n      }\n    };\n  },\n\n  toHaveText: function () {\n    return {\n      compare: function (actual: any, expectedText: string) {\n        const actualText = elementText(actual);\n        return {\n          pass: actualText == expectedText,\n          get message() {\n            return 'Expected ' + actualText + ' to be equal to ' + expectedText;\n          }\n        };\n      }\n    };\n  },\n\n  toHaveCssClass: function () {\n    return {compare: buildError(false), negativeCompare: buildError(true)};\n\n    function buildError(isNot: boolean) {\n      return function (actual: any, className: string) {\n        return {\n          pass: _.hasClass(actual, className) == !isNot,\n          get message() {\n            return `\n              Expected ${actual.outerHTML} ${isNot ? 'not ' : ''}\n              to contain the CSS class '${className}'\n            `;\n          }\n        };\n      };\n    }\n  },\n\n  toHaveMap: function () {\n    return {\n      compare: function (actual: { [k: string]: string }, map: { [k: string]: string }) {\n        let allPassed: boolean;\n        allPassed = Object.keys(map).length !== 0;\n        Object.keys(map).forEach(key => {\n          allPassed = allPassed && (actual[key] === map[key]);\n        });\n\n        return {\n          pass: allPassed,\n          get message() {\n            return `\n              Expected ${JSON.stringify(actual)} ${!allPassed ? ' ' : 'not '} to contain the\n              '${JSON.stringify(map)}'\n            `;\n          }\n        };\n      }\n    };\n  },\n\n  toHaveAttributes: function () {\n    return {\n      compare: function (actual: any, map: { [k: string]: string }) {\n        let allPassed: boolean;\n        let attributeNames = Object.keys(map);\n        allPassed = attributeNames.length !== 0;\n        attributeNames.forEach(name => {\n          allPassed = allPassed && _.hasAttribute(actual, name)\n              && _.getAttribute(actual, name) === map[name];\n        });\n        return {\n          pass: allPassed,\n          get message() {\n            return `\n              Expected ${actual.outerHTML} ${allPassed ? 'not ' : ''} attributes to contain\n              '${JSON.stringify(map)}'\n            `;\n          }\n        };\n      }\n    };\n  },\n\n  /**\n   * Check element's inline styles only\n   */\n  toHaveStyle: function () {\n    return {\n      compare: buildCompareStyleFunction(true)\n    };\n  },\n\n\n  /**\n   * Check element's css stylesheet only (if not present inline)\n   */\n  toHaveCSS: function () {\n    return {\n      compare: buildCompareStyleFunction(false)\n    };\n  }\n\n};\n\n/**\n * Curried value to function to check styles that are inline or in a stylesheet for the\n * specified DOM element.\n */\nfunction buildCompareStyleFunction(inlineOnly = true) {\n  return function (actual: any, styles: { [k: string]: string } | string, styler: StyleUtils) {\n    const found = {};\n    const styleMap: {[k: string]: string} = {};\n\n    if (typeof styles === 'string') {\n      styleMap[styles] = '';\n    } else {\n      Object.assign(styleMap, styles);\n    }\n\n    let allPassed = Object.keys(styleMap).length !== 0;\n    Object.keys(styleMap).forEach(prop => {\n      let {elHasStyle, current} = hasPrefixedStyles(actual, prop, styleMap[prop], inlineOnly,\n        styler);\n      allPassed = allPassed && elHasStyle;\n      if (!elHasStyle) {\n        extendObject(found, current);\n      }\n    });\n\n    return {\n      pass: allPassed,\n      get message() {\n        const expectedValueStr = (typeof styles === 'string') ? styleMap :\n            JSON.stringify(styleMap, null, 2);\n        const foundValueStr = inlineOnly ? actual.outerHTML : JSON.stringify(found);\n        return `\n          Expected ${foundValueStr}${!allPassed ? '' : ' not'} to contain the\n          CSS ${typeof styles === 'string' ? 'property' : 'styles'} '${expectedValueStr}'\n        `;\n      }\n    };\n  };\n}\n\n/**\n * Validate presence of requested style or use fallback\n * to possible `prefixed` styles. Useful when some browsers\n * (Safari, IE, etc) will use prefixed style instead of defaults.\n */\nfunction hasPrefixedStyles(actual: HTMLElement,\n                           key: string,\n                           value: string,\n                           inlineOnly: boolean,\n                           styler: StyleUtils) {\n  const current = {};\n\n  if (value === '*') {\n    return {elHasStyle: styler.lookupStyle(actual, key, inlineOnly) !== '', current};\n  }\n\n  value = value.trim();\n  let elHasStyle = styler.lookupStyle(actual, key, inlineOnly) === value;\n  if (!elHasStyle) {\n    let prefixedStyles = applyCssPrefixes({[key]: value});\n    Object.keys(prefixedStyles).forEach(prop => {\n      // Search for optional prefixed values\n      elHasStyle = elHasStyle ||\n        styler.lookupStyle(actual, prop, inlineOnly) === prefixedStyles[prop];\n    });\n  }\n  // Return BOTH confirmation and current computed key values (if confirmation == false)\n  return {elHasStyle, current};\n}\n\nfunction elementText(n: any): string {\n  const hasNodes = (m: any) => {\n    const children = _.childNodes(m);\n    return children && children['length'];\n  };\n\n  if (n instanceof Array) {\n    return n.map(elementText).join('');\n  }\n\n  if (_.isCommentNode(n)) {\n    return '';\n  }\n\n  if (_.isElementNode(n) && _.tagName(n) == 'CONTENT') {\n    return elementText(Array.prototype.slice.apply(_.getDistributedNodes(n)));\n  }\n\n  if (_.hasShadowRoot(n)) {\n    return elementText(_.childNodesAsList(_.getShadowRoot(n)));\n  }\n\n  if (hasNodes(n)) {\n    return elementText(_.childNodesAsList(n));\n  }\n\n  return _.getText(n);\n}\n\n"]}