budibase/packages/string-templates/test/helpers.spec.js

const { processString, processObject, isValid } = require("../src/index.js")
const tableJson = require("./examples/table.json")
const dayjs = require("dayjs")
const { UUID_REGEX } = require("./constants")

describe("test the custom helpers we have applied", () => {
  it("should be able to use the object helper", async () => {
    const output = await processString("object is {{ object obj }}", {
      obj: { a: 1 },
    })
    expect(output).toBe('object is {"a":1}')
  })
})

describe("test that it can run without helpers", () => {
  it("should be able to run without helpers", async () => {
    const output = await processString(
      "{{ avg 1 1 1 }}",
      {},
      { noHelpers: true }
    )
    const valid = await processString("{{ avg 1 1 1 }}", {})
    expect(valid).toBe("1")
    expect(output).toBe("")
  })
})

describe("test the math helpers", () => {
  it("should be able to produce an absolute", async () => {
    const output = await processString("{{abs a}}", {
      a: -10,
    })
    expect(parseInt(output)).toBe(10)
  })

  it("should be able to add", async () => {
    const output = await processString("{{add a b}}", {
      a: 10,
      b: 10,
    })
    expect(parseInt(output)).toBe(20)
  })

  it("should be able to average", async () => {
    const output = await processString("{{avg a b c}}", {
      a: 1,
      b: 2,
      c: 3,
    })
    expect(parseInt(output)).toBe(2)
  })
})

describe("test the array helpers", () => {
  const array = ["hi", "person", "how", "are", "you"]
  it("should allow use of the after helper", async () => {
    const output = await processString("{{after array 1}}", {
      array,
    })
    expect(output).toBe("person,how,are,you")
  })

  it("should allow use of the before helper", async () => {
    const output = await processString("{{before array 3}}", {
      array,
    })
    expect(output).toBe("hi,person")
  })

  it("should allow use of the filter helper", async () => {
    const output = await processString(
      '{{#filter array "person"}}THING{{else}}OTHER{{/filter}}',
      {
        array,
      }
    )
    expect(output).toBe("THING")
  })

  it("should allow use of the itemAt helper", async () => {
    const output = await processString("{{itemAt array 1}}", {
      array,
    })
    expect(output).toBe("person")
  })

  it("should allow use of the join helper", async () => {
    const output = await processString('{{join array "-"}}', {
      array,
    })
    expect(output).toBe("hi-person-how-are-you")
  })

  it("should allow use of the sort helper", async () => {
    const output = await processString("{{sort array}}", {
      array: ["d", "a", "c", "e"],
    })
    expect(output).toBe("a,c,d,e")
  })

  it("should allow use of the unique helper", async () => {
    const output = await processString("{{unique array}}", {
      array: ["a", "a", "b"],
    })
    expect(output).toBe("a,b")
  })
})

describe("test the number helpers", () => {
  it("should allow use of the addCommas helper", async () => {
    const output = await processString("{{ addCommas number }}", {
      number: 10000000,
    })
    expect(output).toBe("10,000,000")
  })

  it("should allow use of the phoneNumber helper", async () => {
    const output = await processString("{{ phoneNumber number }}", {
      number: 4490102030,
    })
    expect(output).toBe("(449) 010-2030")
  })

  it("should allow use of the toPrecision helper", async () => {
    const output = await processString("{{ toPrecision number 2 }}", {
      number: 1.222222222,
    })
    expect(output).toBe("1.2")
  })

  it("should allow use of the bytes helper", async () => {
    const output = await processString("{{ bytes number }}", {
      number: 1000000,
    })
    expect(output).toBe("1 MB")
  })
})

describe("test the url helpers", () => {
  const url = "http://example.com?query=1"
  it("should allow use of the stripQueryString helper", async () => {
    const output = await processString("{{stripQuerystring url }}", {
      url,
    })
    expect(output).toBe("http://example.com")
  })

  it("should allow use of the stripProtocol helper", async () => {
    const output = await processString("{{ stripProtocol url }}", {
      url,
    })
    expect(output).toBe("//example.com/?query=1")
  })

  it("should allow use of the urlParse helper", async () => {
    const output = await processString("{{ object ( urlParse url ) }}", {
      url,
    })
    expect(output).toBe(
      '{"protocol":"http:","slashes":true,"auth":null,"host":"example.com",' +
        '"port":null,"hostname":"example.com","hash":null,"search":"?query=1",' +
        '"query":"query=1","pathname":"/","path":"/?query=1",' +
        '"href":"http://example.com/?query=1"}'
    )
  })
})

describe("test the date helpers", () => {
  it("should allow use of the date helper", async () => {
    const date = new Date(1611577535000)
    const output = await processString("{{ date time 'YYYY-MM-DD' }}", {
      time: date.toUTCString(),
    })
    expect(output).toBe("2021-01-25")
  })

  it("should allow use of the date helper with now time", async () => {
    const date = new Date()
    const output = await processString("{{ date now 'DD' }}", {})
    expect(parseInt(output)).toBe(date.getDate())
  })

  it("should test the timezone capabilities", async () => {
    const date = new Date(1611577535000)
    const output = await processString(
      "{{ date time 'HH-mm-ss Z' 'America/New_York' }}",
      {
        time: date.toUTCString(),
      }
    )
    const formatted = new dayjs(date)
      .tz("America/New_York")
      .format("HH-mm-ss Z")
    expect(output).toBe(formatted)
  })

  it("should guess the users timezone when not specified", async () => {
    const date = new Date()
    const output = await processString("{{ date time 'Z' }}", {
      time: date.toUTCString(),
    })
    const timezone = dayjs.tz.guess()
    const offset = new dayjs(date).tz(timezone).format("Z")
    expect(output).toBe(offset)
  })
})

describe("test the string helpers", () => {
  it("should allow use of the append helper", async () => {
    const output = await processString("{{ append filename '.txt' }}", {
      filename: "yummy",
    })
    expect(output).toBe("yummy.txt")
  })

  it("should allow use of the camelcase helper", async () => {
    const output = await processString("{{ camelcase camel }}", {
      camel: "testing this thing",
    })
    expect(output).toBe("testingThisThing")
  })

  it("should allow use of the capitalize helper", async () => {
    const output = await processString("{{ capitalize string }}", {
      string: "this is a string",
    })
    expect(output).toBe("This is a string")
  })

  it("should allow use of the capitalizeAll helper", async () => {
    const output = await processString("{{ capitalizeAll string }}", {
      string: "this is a string",
    })
    expect(output).toBe("This Is A String")
  })

  it("should allow use of the replace helper", async () => {
    const output = await processString("{{ replace string 'Mike' name }}", {
      string: "Hello my name is Mike",
      name: "David",
    })
    expect(output).toBe("Hello my name is David")
  })

  it("should allow use of the split helper", async () => {
    const output = await processString("{{ first ( split string ' ' ) }}", {
      string: "this is a string",
    })
    expect(output).toBe("this")
  })

  it("should allow use of the remove helper", async () => {
    const output = await processString("{{ remove string 'string' }}", {
      string: "this is a string",
    })
    expect(output).toBe("this is a ")
  })

  it("should allow use of the startsWith helper", async () => {
    const output = await processString(
      "{{ #startsWith 'Hello' string }}Hi!{{ else }}Goodbye!{{ /startsWith }}",
      {
        string: "Hello my name is Mike",
      }
    )
    expect(output).toBe("Hi!")
  })

  it("should allow use of the ellipsis helper", async () => {
    const output = await processString('{{ ellipsis "adfasdfasdfasf" 7 }}', {})
    expect(output).toBe("adfasdf…")
  })
})

describe("test the comparison helpers", () => {
  async function compare(func, a, b) {
    const output = await processString(
      `{{ #${func} a b }}Success{{ else }}Fail{{ /${func} }}`,
      {
        a,
        b,
      }
    )
    expect(output).toBe("Success")
  }

  it("should allow use of the lt helper", async () => {
    await compare("lt", 10, 15)
  })

  it("should allow use of the gt helper", async () => {
    await compare("gt", 15, 10)
  })

  it("should allow use of the and helper", async () => {
    await compare("and", true, true)
  })

  it("should allow use of the or helper", async () => {
    await compare("or", false, true)
  })

  it("should allow use of gte with a literal value", async () => {
    const output = await processString(
      `{{ #gte a "50" }}s{{ else }}f{{ /gte }}`,
      {
        a: 51,
      }
    )
    expect(output).toBe("s")
  })
})

describe("Test the object/array helper", () => {
  it("should allow plucking from an array of objects", async () => {
    const context = {
      items: [{ price: 20 }, { price: 30 }],
    }
    const output = await processString(
      "{{ literal ( sum ( pluck items 'price' ) ) }}",
      context
    )
    expect(output).toBe(50)
  })

  it("should allow use of the length helper", async () => {
    const array = [1, 2, 3]
    const output = await processString("{{ length array }}", { array })
    expect(output).toBe("3")
  })

  it("should allow use of the length helper inline", async () => {
    const output = await processString(`{{ length '[1, 2, 3]' }}`, {})
    expect(output).toBe("3")
  })
})

describe("Test the literal helper", () => {
  it("should allow use of the literal specifier for a number", async () => {
    const output = await processString(`{{literal a}}`, {
      a: 51,
    })
    expect(output).toBe(51)
  })

  it("should allow use of the literal specifier for an object", async () => {
    const output = await processString(`{{literal a}}`, {
      a: { b: 1 },
    })
    expect(output.b).toBe(1)
  })

  it("should allow use of the literal specifier for an object with dashes", async () => {
    const output = await processString(`{{literal a}}`, {
      a: { b: "i-have-dashes" },
    })
    expect(output.b).toBe("i-have-dashes")
  })
})

describe("Test that JSONpase helper", () => {
  it("should state that the JSONparse helper is valid", async () => {
    const output = isValid(`{{ JSONparse input }}`)
    expect(output).toBe(true)
  })
})

describe("Cover a few complex use cases", () => {
  it("should allow use of three different collection helpers", async () => {
    const output = await processString(
      `{{ join ( after ( split "My name is: Joe Smith" " " ) 3 ) " " }}`,
      {}
    )
    expect(output).toBe("Joe Smith")
  })

  it("should allow a complex array case", async () => {
    const output = await processString("{{ last ( sort ( unique array ) ) }}", {
      array: ["a", "a", "d", "c", "e"],
    })
    expect(output).toBe("e")
  })

  it("should allow a complex forIn case", async () => {
    const input = `{{#forIn (JSONparse '{"a":1, "b":2, "c":3}' )}}number: {{.}}\n{{/forIn}}`
    const output = await processString(input, {})
    expect(output).toBe("number: 1\nnumber: 2\nnumber: 3\n")
  })

  it("should make sure case is valid", () => {
    const validity = isValid(
      "{{ avg [c355ec2b422e54f988ae553c8acd811ea].[a] [c355ec2b422e54f988ae553c8acd811ea].[b] }}"
    )
    expect(validity).toBe(true)
  })

  it("should make sure object functions check out valid", () => {
    const validity = isValid("{{ JSONstringify obj }}")
    expect(validity).toBe(true)
  })

  it("should be able to solve an example from docs", async () => {
    const output = await processString(`{{first ( split "a-b-c" "-") 2}}`, {})
    expect(output).toBe(`a,b`)
  })

  it("should confirm a subtraction validity", () => {
    const validity = isValid(
      "{{ subtract [c390c23a7f1b6441c98d2fe2a51248ef3].[total profit] [c390c23a7f1b6441c98d2fe2a51248ef3].[total revenue]  }}"
    )
    expect(validity).toBe(true)
  })

  it("should test a case of attempting to get a UTC ISO back out after processing", async () => {
    const date = new Date()
    const input = `{{ date (subtract (date dateThing "x") 300000) "" }}`
    const output = await processString(input, {
      dateThing: date.toISOString(),
    })
    expect(output).toEqual(new Date(date.getTime() - 300000).toISOString())
  })

  it("test a very complex duration output", async () => {
    const currentTime = new Date(1612432082000).toISOString(),
      eventTime = new Date(1612432071000).toISOString()
    const input = `{{duration ( subtract (date currentTime "X")(date eventTime "X")) "seconds"}}`
    const output = await processString(input, {
      currentTime,
      eventTime,
    })
    expect(output).toBe("a few seconds")
  })

  it("should confirm a bunch of invalid strings", () => {
    const invalids = ["{{ awd )", "{{ awdd () ", "{{ awdwad ", "{{ awddawd }"]
    for (let invalid of invalids) {
      const validity = isValid(invalid)
      expect(validity).toBe(false)
    }
  })

  it("input a garbage string, expect it to be returned", async () => {
    const input = `{{{{{{ } {{ ]] ] ] }}} {{ ] {{ {   } { dsa { dddddd }}}}}}} }DDD`
    const output = await processString(input, {})
    expect(output).toBe(input)
  })

  it("getting a nice date from the user", async () => {
    const input = { text: `{{ date user.subscriptionDue "DD-MM" }}` }
    const context = JSON.parse(
      `{"user":{"email":"test@example.com","roleId":"ADMIN","type":"user","tableId":"ta_users","subscriptionDue":"2021-01-12T12:00:00.000Z","_id":"ro_ta_users_us_test@example.com","_rev":"2-24cc794985eb54183ecb93e148563f3d"}}`
    )
    const output = await processObject(input, context)
    expect(output.text).toBe("12-01")
  })

  it("should only invalidate a single string in an object", async () => {
    const input = {
      dataProvider: "{{ literal [c670254c9e74e40518ee5becff53aa5be] }}",
      theme: "spectrum--lightest",
      showAutoColumns: false,
      quiet: true,
      size: "spectrum--medium",
      rowCount: 8,
    }
    const output = await processObject(input, tableJson)
    expect(output.dataProvider).not.toBe("Invalid binding")
  })

  it("should be able to handle external ids", async () => {
    const input = {
      dataProvider: "{{ literal [_id] }}",
    }
    const context = {
      _id: "%5B%221%22%2C%221%22%5D",
    }
    const output = await processObject(input, context)
    expect(output.dataProvider).toBe("%5B%221%22%2C%221%22%5D")
  })
})

describe("uuid", () => {
  it("should be able to generate a UUID", async () => {
    const output = await processString("{{ uuid }}", {})
    expect(output).toMatch(UUID_REGEX)
  })
})