323 lines
8.9 KiB
TypeScript
323 lines
8.9 KiB
TypeScript
import {
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processObject,
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processString,
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isValid,
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makePropSafe,
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getManifest,
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encodeJSBinding,
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doesContainString,
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disableEscaping,
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findHBSBlocks,
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} from "../src/index"
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describe("Test that the string processing works correctly", () => {
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it("should process a basic template string", async () => {
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const output = await processString("templating is {{ adjective }}", {
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adjective: "easy",
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})
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expect(output).toBe("templating is easy")
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})
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it("should process a literal template", async () => {
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const output = await processString("derp is {{{ adjective }}}", {
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adjective: "derp",
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})
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expect(output).toBe("derp is derp")
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})
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it("should fail gracefully when wrong type passed in", async () => {
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let error = null
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try {
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await processString(null as any, null as any)
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} catch (err) {
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error = err
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}
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expect(error).not.toBeNull()
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})
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it("confirm that null properties are handled correctly", async () => {
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const output = await processString("hello {{ name }} I am {{ name2 }}", {
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name: undefined,
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name2: null,
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})
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expect(output).toBe("hello I am ")
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})
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})
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describe("Test that the object processing works correctly", () => {
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it("should be able to process an object with some template strings", async () => {
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const output = await processObject(
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{
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first: "thing is {{ adjective }}",
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second: "thing is bad",
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third: "we are {{ adjective }} {{ noun }}",
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},
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{
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adjective: "easy",
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noun: "people",
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}
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)
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expect(output.first).toBe("thing is easy")
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expect(output.second).toBe("thing is bad")
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expect(output.third).toBe("we are easy people")
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})
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it("should be able to handle arrays of string templates", async () => {
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const output = await processObject(
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["first {{ noun }}", "second {{ noun }}"],
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{
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noun: "person",
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}
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)
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expect(output[0]).toBe("first person")
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expect(output[1]).toBe("second person")
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})
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it("should fail gracefully when object passed in has cycles", async () => {
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let error = null
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try {
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const innerObj: any = { a: "thing {{ a }}" }
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innerObj.b = innerObj
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await processObject(innerObj, { a: 1 })
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} catch (err) {
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error = err
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}
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expect(error).not.toBeNull()
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})
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it("check objects get converted to string JSON automatically", async () => {
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const row = { a: 1 }
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const output = await processString("{{ trigger.row }}", {
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trigger: {
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row,
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},
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})
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expect(JSON.parse(output)).toEqual(row)
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})
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it("should be able to handle null objects", async () => {
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let error = null
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try {
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await processObject(null as any, null as any)
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} catch (err) {
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error = err
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}
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expect(error).toBeNull()
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})
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it("should be able to handle booleans", async () => {
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const output = await processObject(
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{
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first: true,
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second: "true",
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third: "another string",
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forth: "with {{ template }}",
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},
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{
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template: "value",
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}
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)
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expect(output).toEqual({
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first: true,
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second: "true",
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third: "another string",
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forth: "with value",
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})
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})
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})
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describe("check arrays", () => {
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describe("index with square brackets", () => {
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it.each([
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[0, "1"],
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[1, "2"],
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])("should handle an array of primitive types", async (index, expected) => {
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const json = [1, 2, 3]
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const output = await processString(`{{ testing.[${index}] }}`, {
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testing: json,
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})
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expect(output).toEqual(expected)
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})
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it("should handle an array of objects", async () => {
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const json = [{ value: 1 }, { value: 2 }, { value: 3 }]
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const output = await processString("{{ testing.[1] }}", {
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testing: json,
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})
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expect(output).toEqual('{"value":2}')
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})
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it("should handle nesting properties in an array of objects", async () => {
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const json = [{ value: 1 }, { value: 2 }, { value: 3 }]
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const output = await processString("{{ testing.[1].value }}", {
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testing: json,
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})
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expect(output).toEqual("2")
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})
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})
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describe("index without square brackets", () => {
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it("should not handle an array of primitive types", async () => {
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const json = [1, 2, 3]
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const output = await processString(`{{ testing.1 }}`, {
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testing: json,
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})
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expect(output).toEqual("{{ testing.1 }}")
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})
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it("should not handle an array of objects", async () => {
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const json = [{ value: 1 }, { value: 2 }, { value: 3 }]
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const output = await processString("{{ testing.1 }}", {
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testing: json,
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})
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expect(output).toEqual("{{ testing.1 }}")
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})
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it("should handle nesting properties in an array of object types", async () => {
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const json = [{ value: 1 }, { value: 2 }, { value: 3 }]
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const output = await processString("{{ testing.1.value }}", {
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testing: json,
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})
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expect(output).toEqual("2")
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})
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})
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})
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describe("check returning objects", () => {
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it("should handle an array of objects", async () => {
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const json = [{ a: 1 }, { a: 2 }]
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const output = await processString("{{ testing }}", {
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testing: json,
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})
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expect(output).toEqual(JSON.stringify(json))
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})
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})
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describe("check the utility functions", () => {
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it("should return false for an invalid template string", () => {
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const valid = isValid("{{ table1.thing prop }}")
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expect(valid).toBe(false)
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})
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it("should state this template is valid", () => {
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const valid = isValid("{{ thing }}")
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expect(valid).toBe(true)
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})
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it("should make a property safe", () => {
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const property = makePropSafe("thing")
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expect(property).toEqual("[thing]")
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})
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it("should be able to handle an input date object", async () => {
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const date = new Date()
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const output = await processString("{{ dateObj }}", { dateObj: date })
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expect(date.toString()).toEqual(output)
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})
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})
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describe("check falsy values", () => {
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it("should get a zero out when context contains it", async () => {
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const output = await processString("{{ number }}", { number: 0 })
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expect(output).toEqual("0")
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})
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it("should get false out when context contains it", async () => {
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const output = await processString("{{ bool }}", { bool: false })
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expect(output).toEqual("false")
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})
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})
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describe("check manifest", () => {
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it("should be able to retrieve the manifest", () => {
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const manifest = getManifest()
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expect(manifest.math).not.toBeNull()
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expect(manifest.math.abs.description).toBe(
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"<p>Return the magnitude of <code>a</code>.</p>\n"
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)
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})
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})
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describe("check full stops that are safe", () => {
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it("should allow using an escaped full stop", async () => {
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const data = {
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"c53a4a604fa754d33baaafd5bca4d3658-YXuUBqt5vI": {
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"persons.firstname": "1",
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},
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}
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const template =
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"{{ [c53a4a604fa754d33baaafd5bca4d3658-YXuUBqt5vI].[persons.firstname] }}"
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const output = await processString(template, data)
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expect(output).toEqual("1")
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})
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})
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describe("check does contain string function", () => {
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it("should work for a simple case", () => {
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const hbs = "hello {{ name }}"
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expect(doesContainString(hbs, "name")).toEqual(true)
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})
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it("should reject a case where its in the string, but not the handlebars", () => {
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const hbs = "hello {{ name }}"
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expect(doesContainString(hbs, "hello")).toEqual(false)
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})
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it("should handle if its in javascript", () => {
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const js = encodeJSBinding(`return $("foo")`)
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expect(doesContainString(js, "foo")).toEqual(true)
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})
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})
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describe("check that disabling escaping function works", () => {
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it("should work for a single statement", () => {
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expect(disableEscaping("{{ name }}")).toEqual("{{{ name }}}")
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})
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it("should work for two statements", () => {
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expect(disableEscaping("{{ name }} welcome to {{ platform }}")).toEqual(
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"{{{ name }}} welcome to {{{ platform }}}"
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)
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})
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it("shouldn't convert triple braces", () => {
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expect(disableEscaping("{{{ name }}}")).toEqual("{{{ name }}}")
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})
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it("should work with a combination", () => {
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expect(disableEscaping("{{ name }} welcome to {{{ platform }}}")).toEqual(
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"{{{ name }}} welcome to {{{ platform }}}"
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)
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})
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it("should work with multiple escaped", () => {
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expect(disableEscaping("{{ name }} welcome to {{ name }}")).toEqual(
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"{{{ name }}} welcome to {{{ name }}}"
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)
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})
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})
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describe("check find hbs blocks function", () => {
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it("should find none", () => {
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expect(findHBSBlocks("hello there")).toEqual([])
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})
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it("should find two", () => {
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expect(findHBSBlocks("{{ hello }} there {{{ name }}}")).toEqual([
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"{{ hello }}",
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"{{{ name }}}",
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])
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})
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})
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describe("should leave HBS blocks if not found using option", () => {
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it("should replace one, leave one", async () => {
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const output = await processString(
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"{{ a }}, {{ b }}",
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{ b: 1 },
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{ onlyFound: true }
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)
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expect(output).toBe("{{ a }}, 1")
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})
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})
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