Custom function in testcafe



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2















So, i am trying to create a custom function that will allow me to check if a field contains a number or a text, but for further test i will need to check more complex stuff, like if the sum of some table equals something, etc.
I can't find examples of custom functions for example:






function isNumber(n) 
let a = parseInt(n);
if (a > 0
test('Test example', async t =>
await t
.expect(isNumber(Selector('#thisNum').innerText)).ok('This is a number' );

);












share|improve this question






























    2















    So, i am trying to create a custom function that will allow me to check if a field contains a number or a text, but for further test i will need to check more complex stuff, like if the sum of some table equals something, etc.
    I can't find examples of custom functions for example:






    function isNumber(n) 
    let a = parseInt(n);
    if (a > 0
    test('Test example', async t =>
    await t
    .expect(isNumber(Selector('#thisNum').innerText)).ok('This is a number' );

    );












    share|improve this question


























      2












      2








      2








      So, i am trying to create a custom function that will allow me to check if a field contains a number or a text, but for further test i will need to check more complex stuff, like if the sum of some table equals something, etc.
      I can't find examples of custom functions for example:






      function isNumber(n) 
      let a = parseInt(n);
      if (a > 0
      test('Test example', async t =>
      await t
      .expect(isNumber(Selector('#thisNum').innerText)).ok('This is a number' );

      );












      share|improve this question
















      So, i am trying to create a custom function that will allow me to check if a field contains a number or a text, but for further test i will need to check more complex stuff, like if the sum of some table equals something, etc.
      I can't find examples of custom functions for example:






      function isNumber(n) 
      let a = parseInt(n);
      if (a > 0
      test('Test example', async t =>
      await t
      .expect(isNumber(Selector('#thisNum').innerText)).ok('This is a number' );

      );








      function isNumber(n) 
      let a = parseInt(n);
      if (a > 0
      test('Test example', async t =>
      await t
      .expect(isNumber(Selector('#thisNum').innerText)).ok('This is a number' );

      );





      function isNumber(n) 
      let a = parseInt(n);
      if (a > 0
      test('Test example', async t =>
      await t
      .expect(isNumber(Selector('#thisNum').innerText)).ok('This is a number' );

      );






      javascript automated-tests e2e-testing testcafe






      share|improve this question















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      share|improve this question




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      edited Nov 14 '18 at 11:45









      Alex Skorkin

      2,35221736




      2,35221736










      asked Nov 13 '18 at 8:19









      juandiegolesjuandiegoles

      858




      858






















          1 Answer
          1






          active

          oldest

          votes


















          7














          The assertion message will only be displayed when the assertion fails (refer to the message parameter). For example,



          await t
          .expect(failingValue).ok('failingValue is not a number');


          Would display something like the following on a failed test:



          1) AssertionError: failingValue is not a number: expected false to be truthy


          Therefore, I'd never expected to see the "This is a number" message displayed.



          As for the function, I've experienced a couple of instances where the promise wasn't resolved yet, so try awaiting the number selector:



          await t
          .expect(isNumber(await Selector('#thisNum').innerText)).ok('This is a number');


          Hope this helps.






          share|improve this answer

























          • Thanks Alex! At the end i decided to use cypress.js but your solution seems to work as a charm

            – juandiegoles
            Nov 19 '18 at 10:32











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          1 Answer
          1






          active

          oldest

          votes








          1 Answer
          1






          active

          oldest

          votes









          active

          oldest

          votes






          active

          oldest

          votes









          7














          The assertion message will only be displayed when the assertion fails (refer to the message parameter). For example,



          await t
          .expect(failingValue).ok('failingValue is not a number');


          Would display something like the following on a failed test:



          1) AssertionError: failingValue is not a number: expected false to be truthy


          Therefore, I'd never expected to see the "This is a number" message displayed.



          As for the function, I've experienced a couple of instances where the promise wasn't resolved yet, so try awaiting the number selector:



          await t
          .expect(isNumber(await Selector('#thisNum').innerText)).ok('This is a number');


          Hope this helps.






          share|improve this answer

























          • Thanks Alex! At the end i decided to use cypress.js but your solution seems to work as a charm

            – juandiegoles
            Nov 19 '18 at 10:32















          7














          The assertion message will only be displayed when the assertion fails (refer to the message parameter). For example,



          await t
          .expect(failingValue).ok('failingValue is not a number');


          Would display something like the following on a failed test:



          1) AssertionError: failingValue is not a number: expected false to be truthy


          Therefore, I'd never expected to see the "This is a number" message displayed.



          As for the function, I've experienced a couple of instances where the promise wasn't resolved yet, so try awaiting the number selector:



          await t
          .expect(isNumber(await Selector('#thisNum').innerText)).ok('This is a number');


          Hope this helps.






          share|improve this answer

























          • Thanks Alex! At the end i decided to use cypress.js but your solution seems to work as a charm

            – juandiegoles
            Nov 19 '18 at 10:32













          7












          7








          7







          The assertion message will only be displayed when the assertion fails (refer to the message parameter). For example,



          await t
          .expect(failingValue).ok('failingValue is not a number');


          Would display something like the following on a failed test:



          1) AssertionError: failingValue is not a number: expected false to be truthy


          Therefore, I'd never expected to see the "This is a number" message displayed.



          As for the function, I've experienced a couple of instances where the promise wasn't resolved yet, so try awaiting the number selector:



          await t
          .expect(isNumber(await Selector('#thisNum').innerText)).ok('This is a number');


          Hope this helps.






          share|improve this answer















          The assertion message will only be displayed when the assertion fails (refer to the message parameter). For example,



          await t
          .expect(failingValue).ok('failingValue is not a number');


          Would display something like the following on a failed test:



          1) AssertionError: failingValue is not a number: expected false to be truthy


          Therefore, I'd never expected to see the "This is a number" message displayed.



          As for the function, I've experienced a couple of instances where the promise wasn't resolved yet, so try awaiting the number selector:



          await t
          .expect(isNumber(await Selector('#thisNum').innerText)).ok('This is a number');


          Hope this helps.







          share|improve this answer














          share|improve this answer



          share|improve this answer








          edited Nov 14 '18 at 11:46









          Alex Skorkin

          2,35221736




          2,35221736










          answered Nov 13 '18 at 21:18









          lostlemonlostlemon

          44635




          44635












          • Thanks Alex! At the end i decided to use cypress.js but your solution seems to work as a charm

            – juandiegoles
            Nov 19 '18 at 10:32

















          • Thanks Alex! At the end i decided to use cypress.js but your solution seems to work as a charm

            – juandiegoles
            Nov 19 '18 at 10:32
















          Thanks Alex! At the end i decided to use cypress.js but your solution seems to work as a charm

          – juandiegoles
          Nov 19 '18 at 10:32





          Thanks Alex! At the end i decided to use cypress.js but your solution seems to work as a charm

          – juandiegoles
          Nov 19 '18 at 10:32



















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