donner::svg::AsciiImage Struct Reference

Stores an ASCII representation of a rendered image, and supports diffing it to another image. More...

#include "donner/svg/renderer/tests/RendererTestUtils.h"

Collaboration diagram for donner::svg::AsciiImage:

Public Member Functions
bool	matches (std::string_view golden) const
	Compare the rendered ASCII image to a golden ASCII string, and output the image differences if any.

Public Attributes
std::string	generated
	ASCII art of generated image, with lines separated by \n.

Detailed Description

Stores an ASCII representation of a rendered image, and supports diffing it to another image.

Member Function Documentation

matches()

bool donner::svg::AsciiImage::matches ( std::string_view golden ) const

inline

Compare the rendered ASCII image to a golden ASCII string, and output the image differences if any.

Example:

const AsciiImage generatedAscii = RendererTestUtils::renderToAsciiImage(R"(
      <rect width="8" height="8" fill="white" />
      )");
 
EXPECT_TRUE(generatedAscii.matches(R"(
      @@@@@@@@........
      @@@@@@@@........
      @@@@@@@@........
      @@@@@@@@........
      @@@@@@@@........
      @@@@@@@@........
      @@@@@@@@........
      @@@@@@@@........
      ................
      ................
      ................
      ................
      ................
      ................
      ................
      ................
      )"));

Parameters

golden

The golden ASCII image to compare the rendered output to, which should be a multiline string, whitespaces and the first newlines are removed.

Returns

true if the image matches.

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The documentation for this struct was generated from the following file:

• donner/svg/renderer/tests/RendererTestUtils.h