[Plugin-1730] Adding XLS UI elements for S3 source

[psainics]

Adding XLS UI elements for S3 source

Jira : Plugin-1730

Description

This PR adds UI element required for XLS Support in S3 Source.
Ref : XLS Support PR cdapio/hydrator-plugins#1835

Added Fields

• Sample Size
• Override
• Terminate If Empty Row
• Select Sheet Using
• Sheet Value

A filter is used to show XLS specific values Terminate If Empty Row , Select Sheet Using, Sheet Value only when format XLS is selected.

Preview

[DJSagarAhire]

Most comments from data-integrations/google-cloud#1368 are also applicable here. Looks good apart from those.

[psainics]

Sanity Tests

Data Used

xlsx_bench.xlsx

• A xlsx file with 3 sheets
• Sheet 1 (data with headers)
• Sheet 2 (data without headers)
• Sheet 3 (data with headers and an empty line)

"Sheet1" [index 0]

"Sheet2" [index 1]

"Sheet3" [index 2]

---

Test 1 [Read a sheet with headers]

We will be testing can the plugin read a sheet with headers defined, also skip the first row while reading data.

• Config

  • Turn on "Use First Row as Header"
    

• Deploy
  

• Output
  

Test 2 [Read a sheet using it's name + Read a sheet other than the 1st + Read a sheet without headers]

We will be testing can the plugin read a sheet using the sheet's name.
We will be testing if the plugin can read any sheet other than the first one, we will also be testing if the plugin can read sheet without a header.

• Config

  • Set "Select Sheet Using" to "Sheet Name"
  • Add the sheet name
    

• Deploy
  

• Output
  

Test 3 [Do not stop reading when a row is missing]

We will be testing if the plugin can keep reading if an empty row is encountered.

• Config

  • Turn off "Terminate Reading After Empty Row"
    

• Deploy
  

• Output
  

Test 4 [Stop reading when a row is missing]

We will be testing if the plugin can stop reading if an empty row is encountered.

• Config

  • Turn on "Terminate Reading After Empty Row"
    

• Deploy
  

• Output