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* [#187526964] Implement V2 string functions. * * Disable max-len lint warnings in `date-utils.ts` for now * * Added tests for situations that should throw errors
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163
v3/src/models/formula/functions/string-functions.test.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,163 @@ | ||
| import { stringFunctions } from "./string-functions" | ||
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| describe("stringFunctions", () => { | ||
| describe("beginsWith", () => { | ||
| it("returns true if text begins with prefix", () => { | ||
| expect(stringFunctions.beginsWith.evaluate("Hello World", "Hello")).toBe(true) | ||
| }) | ||
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| it("returns false if text does not begin with prefix", () => { | ||
| expect(stringFunctions.beginsWith.evaluate("Hello World", "World")).toBe(false) | ||
| }) | ||
| }) | ||
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| describe("charAt", () => { | ||
| it("returns the character at the specified 1-based index in the text", () => { | ||
| expect(stringFunctions.charAt.evaluate("Hello World", 1)).toBe("H") | ||
| }) | ||
| it("returns an error if the index is not an integer", () => { | ||
| expect(() => stringFunctions.charAt.evaluate("Hello World", 1.5)).toThrow() | ||
| }) | ||
| }) | ||
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| describe("endsWith", () => { | ||
| it("returns true if text ends with suffix", () => { | ||
| expect(stringFunctions.endsWith.evaluate("Hello World", "World")).toBe(true) | ||
| }) | ||
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| it("returns false if text does not end with suffix", () => { | ||
| expect(stringFunctions.endsWith.evaluate("Hello World", "Hello")).toBe(false) | ||
| }) | ||
| }) | ||
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| describe("findString", () => { | ||
| it("returns the position of stringToFind in stringToFind starting from start", () => { | ||
| expect(stringFunctions.findString.evaluate("Hello World", "World", 7)).toBe(7) | ||
| }) | ||
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| it("returns 0 if stringToFind is not found", () => { | ||
| expect(stringFunctions.findString.evaluate("Hello World", "Foo")).toBe(0) | ||
| }) | ||
| }) | ||
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| describe("includes", () => { | ||
| it("returns true if the second argument is a substring of the first", () => { | ||
| expect(stringFunctions.includes.evaluate("Hello World", "World")).toBe(true) | ||
| }) | ||
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| it("returns false if the second argument is not a substring of the first", () => { | ||
| expect(stringFunctions.includes.evaluate("Hello World", "Foo")).toBe(false) | ||
| }) | ||
| }) | ||
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| describe("combine", () => { | ||
| it("returns the concatenation of text all the values of the attribute", () => { | ||
| expect(stringFunctions.combine.evaluate("Hello World")).toBe("NYI") | ||
| }) | ||
| }) | ||
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| describe("concat", () => { | ||
| it("returns a string that is the concatenation of the string arguments", () => { | ||
| expect(stringFunctions.concat.evaluate("Hello", "World")).toBe("HelloWorld") | ||
| }) | ||
| }) | ||
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| describe("join", () => { | ||
| it("returns a string that is the concatenation of the string arguments separated by a delimiter", () => { | ||
| expect(stringFunctions.join.evaluate("/", 2024, "Hello", "World")).toBe("2024/Hello/World") | ||
| }) | ||
| }) | ||
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| describe("patternMatches", () => { | ||
| it("returns the number of times the text matches the pattern", () => { | ||
| expect(stringFunctions.patternMatches.evaluate("Hello World", "Hello")).toBe(1) | ||
| }) | ||
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| it("returns 0 if the text does not match the pattern", () => { | ||
| expect(stringFunctions.patternMatches.evaluate("Hello World", "Wxrld")).toBe(0) | ||
| }) | ||
| }) | ||
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| describe("repeatString", () => { | ||
| it("returns the text repeated n times", () => { | ||
| expect(stringFunctions.repeatString.evaluate("Hello", 3)).toBe("HelloHelloHello") | ||
| }) | ||
| it("returns an error if the numRepetitions is not an integer", () => { | ||
| expect(() => stringFunctions.repeatString.evaluate("Hello World", 1.5)).toThrow() | ||
| }) | ||
| }) | ||
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| describe("replaceChars", () => { | ||
| it("returns the text with all occurrences of search replaced with replace", () => { | ||
| expect(stringFunctions.replaceChars.evaluate("Hello World", 7, 5, "Universe")).toBe("Hello Universe") | ||
| }) | ||
| it("returns the text with returns the text with the substitute inserted if numChars is 0", () => { | ||
| expect(stringFunctions.replaceChars.evaluate("Hello World", 7, 0, "Universe ")).toBe("Hello Universe World") | ||
| }) | ||
| }) | ||
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| describe("replaceString", () => { | ||
| it("returns the text with all occurrences of search replaced with replace", () => { | ||
| expect(stringFunctions.replaceString.evaluate("Hello World", "World", "Universe")).toBe("Hello Universe") | ||
| }) | ||
| }) | ||
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| describe("sortItems", () => { | ||
| it("returns the items in the text sorted", () => { | ||
| expect(stringFunctions.sortItems.evaluate("there, hello, cat")).toBe("cat,hello,there") | ||
| }) | ||
| it("with the empty string as delimited it returns the characters sorted", () => { | ||
| expect(stringFunctions.sortItems.evaluate("cba", "")).toBe("abc") | ||
| }) | ||
| }) | ||
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| describe("split", () => { | ||
| it("returns the element at the specified index after splitting the string by the specified separator", () => { | ||
| expect(stringFunctions.split.evaluate("Hello World", " ", 2)).toBe("World") | ||
| }) | ||
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| it("returns undefined if the index is out of range", () => { | ||
| expect(stringFunctions.split.evaluate("Hello World", " ", 3)).toBeUndefined() | ||
| }) | ||
| it("returns an error if the index is not an integer", () => { | ||
| expect(() => stringFunctions.split.evaluate("Hello World", " ", 1.5)).toThrow() | ||
| }) | ||
| }) | ||
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| describe("stringLength", () => { | ||
| it("returns the number of characters in the text", () => { | ||
| expect(stringFunctions.stringLength.evaluate("Hello World")).toBe(11) | ||
| }) | ||
| }) | ||
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| describe("subString", () => { | ||
| it("returns the substring of the text starting from start with length characters", () => { | ||
| expect(stringFunctions.subString.evaluate("Hello World", 7, 5)).toBe("World") | ||
| }) | ||
| it("returns an error if the start is not an integer", () => { | ||
| expect(() => stringFunctions.subString.evaluate("Hello World", 7.1, 5)).toThrow() | ||
| }) | ||
| it("returns an error if the length is not an integer", () => { | ||
| expect(() => stringFunctions.subString.evaluate("Hello World", 7, 5.1)).toThrow() | ||
| }) | ||
| }) | ||
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| describe("toLower", () => { | ||
| it("returns the text in lower case", () => { | ||
| expect(stringFunctions.toLower.evaluate("Hello World")).toBe("hello world") | ||
| }) | ||
| }) | ||
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| describe("toUpper", () => { | ||
| it("returns the text in upper case", () => { | ||
| expect(stringFunctions.toUpper.evaluate("Hello World")).toBe("HELLO WORLD") | ||
| }) | ||
| }) | ||
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| describe("trim", () => { | ||
| it("returns the text with leading, trailing and >2 spaces whitespace removed", () => { | ||
| expect(stringFunctions.trim.evaluate(" Hello World ")).toBe("Hello World") | ||
| }) | ||
| }) | ||
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| }) |
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