Exception: Danger::DSLError

Inherits:
StandardError
  • Object
show all
Defined in:
lib/danger/danger_core/standard_error.rb

Overview

Wraps an exception raised by a DSL file in order to show to the user the contents of the line that raised the exception.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(description, dsl_path, backtrace, contents = nil) ⇒ DSLError

Returns a new instance of DSLError.

Parameters:

  • backtrace (Exception) —

    @see backtrace

  • dsl_path (String) —

    @see dsl_path



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# File 'lib/danger/danger_core/standard_error.rb', line 29

def initialize(description, dsl_path, backtrace, contents = nil)
  @description = description
  @dsl_path    = dsl_path
  @backtrace   = backtrace
  @contents    = contents
end

Instance Attribute Details

#backtrace ⇒ Exception (readonly)

Returns the backtrace of the exception raised by the evaluation of the dsl file.

Returns:

  • (Exception) —

    the backtrace of the exception raised by the evaluation of the dsl file.



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# File 'lib/danger/danger_core/standard_error.rb', line 24

def backtrace
  @backtrace
end

#description ⇒ String (readonly)

Returns the description that should be presented to the user.

Returns:

  • (String) —

    the description that should be presented to the user.



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# File 'lib/danger/danger_core/standard_error.rb', line 15

def description
  @description
end

#dsl_path ⇒ String (readonly)

Returns the path of the dsl file that raised the exception.

Returns:

  • (String) —

    the path of the dsl file that raised the exception.



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# File 'lib/danger/danger_core/standard_error.rb', line 19

def dsl_path
  @dsl_path
end

Instance Method Details

#contents ⇒ String

Returns the contents of the DSL that cause the exception to be raised.

Returns:

  • (String) —

    the contents of the DSL that cause the exception to be raised.



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# File 'lib/danger/danger_core/standard_error.rb', line 39

def contents
  @contents ||= begin
    dsl_path && File.exist?(dsl_path) && File.read(dsl_path)
  end
end

#message ⇒ String

The message of the exception reports the content of podspec for the line that generated the original exception.

Examples:

Output


Invalid podspec at `RestKit.podspec` - undefined method
`exclude_header_search_paths=' for #<Pod::Specification for
`RestKit/Network (0.9.3)`>

    from spec-repos/master/RestKit/0.9.3/RestKit.podspec:36
    -------------------------------------------
        # because it would break: #import <CoreData/CoreData.h>
 >      ns.exclude_header_search_paths = 'Code/RestKit.h'
      end
    -------------------------------------------

Returns:

  • (String) —

    the message of the exception.



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# File 'lib/danger/danger_core/standard_error.rb', line 63

def message
  @message ||= begin
    description, stacktrace = parse.values_at(:description, :stacktrace)

    msg = description
    msg = msg.red if msg.respond_to?(:red)
    msg << stacktrace if stacktrace
    msg
  end
end

#to_markdown ⇒ Object 



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# File 'lib/danger/danger_core/standard_error.rb', line 74

def to_markdown
  @markdown ||= begin
    description, stacktrace = parse.values_at(:description, :stacktrace)

    # Highlight failed method in markdown
    description = description.tr("'", "`")

    # Escape markdown brackets
    description = description.gsub(/<|>/) { |bracket| "\\#{bracket}" }

    md = "## Danger has errored"
    md << "#{description}\n"
    md << "```#{stacktrace}```" if stacktrace

    Markdown.new(md, nil, nil)
  end
end