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test: ✅ adding unit test cases for the application
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@@ -7,7 +7,7 @@ node_modules/ | |
| .yarn/install-state.gz | ||
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| # testing | ||
| coverage/ | ||
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| # next.js | ||
| .next/ | ||
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,46 @@ | ||
| import { describe, expect, it } from '@jest/globals'; | ||
| import { isBase64Image } from '..'; | ||
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| describe('isBase64Image() isBase64Image method', () => { | ||
| describe('Happy Paths', () => { | ||
| it('should return true for a valid base64 encoded image string', () => { | ||
| const validBase64Image = | ||
| 'iVBORw0KGgoAAAANSUhEUgAAAAUA' + | ||
| 'AAAFCAYAAACNbyblAAAAHElEQVQI12P4' + | ||
| '//8/w38GIAXDIBKE0DHxgljNBAAO' + | ||
| '9TXL0Y4OHwAAAABJRU5ErkJggg=='; | ||
| expect(isBase64Image(validBase64Image)).toBe(true); | ||
| }); | ||
| }); | ||
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| describe('Edge Cases', () => { | ||
| it('should return false for an empty string', () => { | ||
| expect(isBase64Image('')).toBe(false); | ||
| }); | ||
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| it('should return false for a string with invalid base64 characters', () => { | ||
| const invalidBase64 = 'This is not a base64 string!'; | ||
| expect(isBase64Image(invalidBase64)).toBe(false); | ||
| }); | ||
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| it('should return false for a string that is not properly padded', () => { | ||
| const improperlyPaddedBase64 = 'iVBORw0KGgoAAAANSUhEUgAAAAUA'; | ||
| expect(isBase64Image(improperlyPaddedBase64)).toBe(false); | ||
| }); | ||
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| it('should return false for a string that decodes to non-image data', () => { | ||
| const base64NonImage = btoa('Hello, World!'); | ||
| expect(isBase64Image(base64NonImage)).toBe(false); | ||
| }); | ||
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| it('should return false for a null input', () => { | ||
| expect(isBase64Image(null as unknown as string)).toBe(false); | ||
| }); | ||
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| it('should return false for a string with whitespace', () => { | ||
| const base64WithWhitespace = | ||
| 'iVBORw0KGgoAAAANSUhEUgAAAAUA AAAFCAYAAACNbyblAAAAHElEQVQI12P4//8/w38GIAXDIBKE0DHxgljNBAAO9TXL0Y4OHwAAAABJRU5ErkJggg=='; | ||
| expect(isBase64Image(base64WithWhitespace)).toBe(false); | ||
| }); | ||
| }); | ||
| }); |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,73 @@ | ||
| import { describe, expect, it } from '@jest/globals'; | ||
| import { isJson } from '..'; | ||
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| describe('isJson() isJson method', () => { | ||
| describe('Happy Paths', () => { | ||
| it('should return true for a valid JSON object', () => { | ||
| const jsonString = '{"name": "John", "age": 30}'; | ||
| expect(isJson(jsonString)).toBe(true); | ||
| }); | ||
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| it('should return true for a valid JSON array', () => { | ||
| const jsonArray = '[1, 2, 3, 4]'; | ||
| expect(isJson(jsonArray)).toBe(true); | ||
| }); | ||
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| it('should return true for a valid JSON string', () => { | ||
| const jsonString = '"Hello, World!"'; | ||
| expect(isJson(jsonString)).toBe(true); | ||
| }); | ||
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| it('should return true for a valid JSON number', () => { | ||
| const jsonNumber = '12345'; | ||
| expect(isJson(jsonNumber)).toBe(true); | ||
| }); | ||
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| it('should return true for a valid JSON boolean', () => { | ||
| const jsonBoolean = 'true'; | ||
| expect(isJson(jsonBoolean)).toBe(true); | ||
| }); | ||
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| it('should return true for a valid JSON null', () => { | ||
| const jsonNull = 'null'; | ||
| expect(isJson(jsonNull)).toBe(true); | ||
| }); | ||
| }); | ||
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| describe('Edge Cases', () => { | ||
| it('should return false for an empty string', () => { | ||
| const emptyString = ''; | ||
| expect(isJson(emptyString)).toBe(false); | ||
| }); | ||
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| it('should return false for a malformed JSON string', () => { | ||
| const malformedJson = '{"name": "John", "age": 30'; | ||
| expect(isJson(malformedJson)).toBe(false); | ||
| }); | ||
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| it('should return false for a string that is not JSON', () => { | ||
| const notJson = 'Hello, World!'; | ||
| expect(isJson(notJson)).toBe(false); | ||
| }); | ||
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| it('should return false for a string with only whitespace', () => { | ||
| const whitespaceString = ' '; | ||
| expect(isJson(whitespaceString)).toBe(false); | ||
| }); | ||
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| it('should return false for a number that is not a JSON string', () => { | ||
| const numberString = '123abc'; | ||
| expect(isJson(numberString)).toBe(false); | ||
| }); | ||
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| it('should return false for a boolean that is not a JSON string', () => { | ||
| const booleanString = 'True'; | ||
| expect(isJson(booleanString)).toBe(false); | ||
| }); | ||
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| it('should return false for a null that is not a JSON string', () => { | ||
| const nullString = 'Null'; | ||
| expect(isJson(nullString)).toBe(false); | ||
| }); | ||
| }); | ||
| }); |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,62 @@ | ||
| import { describe, expect, it } from '@jest/globals'; | ||
| import { isXml } from '..'; | ||
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| describe('isXml() isXml method', () => { | ||
| describe('Happy paths', () => { | ||
| it('should return true for a valid XML string', () => { | ||
| const validXml = | ||
| "<note><to>Tove</to><from>Jani</from><heading>Reminder</heading><body>Don't forget me this weekend!</body></note>"; | ||
| expect(isXml(validXml)).toBe(true); | ||
| }); | ||
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| it('should return true for a valid XML string with namespaces', () => { | ||
| const validXmlWithNamespace = | ||
| '<note xmlns:h="http://www.w3.org/TR/html4/"><h:to>Tove</h:to><h:from>Jani</h:from></note>'; | ||
| expect(isXml(validXmlWithNamespace)).toBe(true); | ||
| }); | ||
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| it('should return true for a valid XML string with self-closing tags', () => { | ||
| const validXmlWithSelfClosingTags = | ||
| '<note><to>Tove</to><from>Jani</from><heading>Reminder</heading><body/><footer/></note>'; | ||
| expect(isXml(validXmlWithSelfClosingTags)).toBe(true); | ||
| }); | ||
| }); | ||
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| describe('Edge cases', () => { | ||
| it('should return false for an empty string', () => { | ||
| expect(isXml('')).toBe(false); | ||
| }); | ||
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| it('should return false for a string with only whitespace', () => { | ||
| expect(isXml(' ')).toBe(false); | ||
| }); | ||
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| it('should return false for a string that is not XML', () => { | ||
| const notXml = 'This is not an XML string'; | ||
| expect(isXml(notXml)).toBe(false); | ||
| }); | ||
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| it('should return false for a malformed XML string', () => { | ||
| const malformedXml = | ||
| "<note><to>Tove</to><from>Jani</from><heading>Reminder</heading><body>Don't forget me this weekend!</body>"; | ||
| expect(isXml(malformedXml)).toBe(false); | ||
| }); | ||
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| it('should return false for a JSON string', () => { | ||
| const jsonString = '{"name": "John", "age": 30, "city": "New York"}'; | ||
| expect(isXml(jsonString)).toBe(false); | ||
| }); | ||
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| it('should return false for a string with XML-like structure but invalid syntax', () => { | ||
| const invalidXmlSyntax = | ||
| "<note><to>Tove</to><from>Jani</from><heading>Reminder</heading><body>Don't forget me this weekend!</body><note>"; | ||
| expect(isXml(invalidXmlSyntax)).toBe(false); | ||
| }); | ||
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| it('should return false for a string with special characters', () => { | ||
| const specialChars = | ||
| "<note><to>Tove</to><from>Jani</from><heading>Reminder</heading><body>Don't forget me this weekend!@#$%^&*()</body></note>"; | ||
| expect(isXml(specialChars)).toBe(true); | ||
| }); | ||
| }); | ||
| }); |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,82 @@ | ||
| import { describe, expect, it } from '@jest/globals'; | ||
| import { prettifyJson } from '../index'; | ||
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| describe('prettifyJson() prettifyJson method', () => { | ||
| describe('Happy Paths', () => { | ||
| it('should prettify a valid JSON string', () => { | ||
| const input = '{"name":"John","age":30,"city":"New York"}'; | ||
| const expectedOutput = `{ | ||
| "name": "John", | ||
| "age": 30, | ||
| "city": "New York" | ||
| }`; | ||
| expect(prettifyJson(input)).toBe(expectedOutput); | ||
| }); | ||
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| it('should handle an already prettified JSON string', () => { | ||
| const input = `{ | ||
| "name": "John", | ||
| "age": 30, | ||
| "city": "New York" | ||
| }`; | ||
| const expectedOutput = `{ | ||
| "name": "John", | ||
| "age": 30, | ||
| "city": "New York" | ||
| }`; | ||
| expect(prettifyJson(input)).toBe(expectedOutput); | ||
| }); | ||
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| it('should handle a JSON string with arrays', () => { | ||
| const input = '{"fruits":["apple","banana","cherry"]}'; | ||
| const expectedOutput = `{ | ||
| "fruits": [ | ||
| "apple", | ||
| "banana", | ||
| "cherry" | ||
| ] | ||
| }`; | ||
| expect(prettifyJson(input)).toBe(expectedOutput); | ||
| }); | ||
| }); | ||
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| describe('Edge Cases', () => { | ||
| it('should return the original string if it is not valid JSON', () => { | ||
| const input = 'Invalid JSON string'; | ||
| expect(prettifyJson(input)).toBe(input); | ||
| }); | ||
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| it('should handle an empty string', () => { | ||
| const input = ''; | ||
| expect(prettifyJson(input)).toBe(input); | ||
| }); | ||
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| it('should handle a JSON string with special characters', () => { | ||
| const input = '{"special":"!@#$%^&*()_+{}|:\"<>?"}'; | ||
| const expectedOutput = `{ | ||
| "special": "!@#$%^&*()_+{}|:\\\"<>?" | ||
| }`; | ||
| expect(prettifyJson(input)).toBe(expectedOutput); | ||
| }); | ||
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| it('should handle a JSON string with numbers and booleans', () => { | ||
| const input = '{"number":123,"boolean":true}'; | ||
| const expectedOutput = `{ | ||
| "number": 123, | ||
| "boolean": true | ||
| }`; | ||
| expect(prettifyJson(input)).toBe(expectedOutput); | ||
| }); | ||
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| it('should handle a JSON string with nested objects', () => { | ||
| const input = '{"person":{"name":"John","age":30}}'; | ||
| const expectedOutput = `{ | ||
| "person": { | ||
| "name": "John", | ||
| "age": 30 | ||
| } | ||
| }`; | ||
| expect(prettifyJson(input)).toBe(expectedOutput); | ||
| }); | ||
| }); | ||
| }); | ||
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