@ngbracket/ngx-layout
Version:
ngbracket/ngx-layout =======
196 lines • 25.4 kB
JavaScript
const _global = (typeof window === 'undefined' ? global : window);
import { _dom as _ } from './dom-tools';
import { applyCssPrefixes, extendObject, } from '@ngbracket/ngx-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 { StyleUtils } from '@ngbracket/ngx-layout/core';\nimport {\n  applyCssPrefixes,\n  extendObject,\n} from '@ngbracket/ngx-layout/_private-utils';\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  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 (\n        actual: { [k: string]: string },\n        map: { [k: string]: string }\n      ) {\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)} ${\n              !allPassed ? ' ' : 'not '\n            } to contain the\n              '${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 =\n            allPassed &&\n            _.hasAttribute(actual, name) &&\n            _.getAttribute(actual, name) === map[name];\n        });\n        return {\n          pass: allPassed,\n          get message() {\n            return `\n              Expected ${actual.outerHTML} ${\n              allPassed ? 'not ' : ''\n            } attributes to contain\n              '${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   * 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 * 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 (\n    actual: any,\n    styles: { [k: string]: string } | string,\n    styler: StyleUtils\n  ) {\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(\n        actual,\n        prop,\n        styleMap[prop],\n        inlineOnly,\n        styler\n      );\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 =\n          typeof styles === 'string'\n            ? styleMap\n            : JSON.stringify(styleMap, null, 2);\n        const foundValueStr = inlineOnly\n          ? actual.outerHTML\n          : JSON.stringify(found);\n        return `\n          Expected ${foundValueStr}${!allPassed ? '' : ' not'} to contain the\n          CSS ${\n            typeof styles === 'string' ? 'property' : 'styles'\n          } '${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(\n  actual: HTMLElement,\n  key: string,\n  value: string,\n  inlineOnly: boolean,\n  styler: StyleUtils\n) {\n  const current = {};\n\n  if (value === '*') {\n    return {\n      elHasStyle: styler.lookupStyle(actual, key, inlineOnly) !== '',\n      current,\n    };\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 =\n        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"]}