hanneskaeufler

HTML:
<div class="watermarked"><img src="bild.jpeg" /></div>

CSS:
.watermarked {
  position: relative;
}
.watermarked:after {
  content: "Copyright";
  display: inline-block;

hanneskaeufler

#!/usr/bin/env bash

echo "require \"./spec/**\"" > run_tests.cr && \
crystal build run_tests.cr -D skip-integration && \
kcov --clean --include-path=$(pwd)/src $(pwd)/coverage ./run_tests && \
bash <(curl -s https://codecov.io/bash) -s $(pwd)/coverage

hanneskaeufler

class BooleanVisitor < Crystal::Visitor
  def visit(node : Crystal::BoolLiteral)
    puts "Line: #{node.location.try &.line_number}"
    puts "Column: #{node.location.try &.column_number}"
    true
  end

  def visit(node : Crystal::ASTNode)
    true
  end

hanneskaeufler

require "compiler/crystal/syntax/*"

code = <<-CODE
def hello
  true
end
CODE

ast = Crystal::Parser.parse(code)

hanneskaeufler

require "compiler/crystal/syntax/*"

code = <<-CODE
def hello
  puts "hello"
end
CODE

ast = Crystal::Parser.parse(code)

hanneskaeufler

# valid.cr
def valid?
  true
end

# valid_spec.cr
require "./valid"
require "spec"

describe "valid?" do

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Original suite: ✅
Mutations covered by tests:

    ❌ BoolLiteralFlip (x1)
        The following change didn't fail the test-suite:
            @@ -1,3 +1,3 @@
             def valid?
            -  true
            +  false
             end

hanneskaeufler

# valid.cr
def valid?
  true
end

# valid_spec.cr
require "./valid"
require "spec"

describe "valid?" do

hanneskaeufler

pipelines:
  default:
    - step:
        name: "Run visual regression tests"
        image: backstopjs/backstopjs:v3.2.15
        script:
          - backstop test
    - step:
        name: "Deploy to website"
        image: fgch/alpine-gitftp

hanneskaeufler

# Create and migrate a new database just for visual regression testing
LUCKY_ENV=visual_test lucky db.create && lucky db.migrate

# Add one sample post
open http://localhost:5000/posts/new

# Run the local server with that one sample post
LUCKY_ENV=visual_test lucky dev