Package com.vaadin.testbench.commands

Interface CanCompareScreenshots

All Known Subinterfaces:
TestBenchCommands
All Known Implementing Classes:
TestBenchCommandExecutor, TestBenchElement
public interface CanCompareScreenshots

  • Method Summary

    Modifier and Type
    Method
    Description
    boolean
    compareScreen(BufferedImage reference, String referenceName)
    Tests that a screen shot is equal to the specified reference image.
    boolean
    compareScreen(File reference)
    Tests that a screen shot is equal to the specified reference image.
    boolean
    compareScreen(String referenceId)
    Tests that a screen shot is equal to the specified reference image.

  • Method Details

    • compareScreen

      boolean compareScreen(String referenceId) throws IOException
      Tests that a screen shot is equal to the specified reference image. The comparison tolerance can be specified by setting the com.vaadin.testbench.block.error system property to a value between 0 and 1, where 0 == no changes are accepted and 1 == big changes are accepted. Note that specifying 1 doesn't mean that any reference image is accepted.
      Parameters:
      referenceId - the ID of the reference image
      Returns:
      true if the screenshot is considered equal to the reference image, false otherwise.
      Throws:
      IOException - if there was a problem accessing the reference image

    • compareScreen

      boolean compareScreen(File reference) throws IOException
      Tests that a screen shot is equal to the specified reference image. The comparison tolerance can be specified by setting the com.vaadin.testbench.block.error system property to a value between 0 and 1, where 0 == no changes are accepted and 1 == all changes are accepted.
      Parameters:
      reference - the reference image file
      Returns:
      true if the screenshot is considered equal to the reference image, false otherwise.
      Throws:
      IOException - if there was a problem accessing the reference image

    • compareScreen

      boolean compareScreen(BufferedImage reference, String referenceName) throws IOException
      Tests that a screen shot is equal to the specified reference image. The comparison tolerance can be specified by setting the com.vaadin.testbench.block.error system property to a value between 0 and 1, where 0 == no changes are accepted and 1 == all changes are accepted.
      Parameters:
      reference - the reference image
      referenceName - the filename of the reference image. Used when writing the error files.
      Returns:
      true if the screenshot is considered equal to the reference image, false otherwise.
      Throws:
      IOException - if there was a problem accessing the reference image