Handle nil location

src/spectator/example.cr

@@ -169,8 +169,10 @@ module Spectator
       json.object do
         json.field("description", name? || "<anonymous>")
         json.field("full_description", to_s)
+        if location = location?
           json.field("file_path", location.path)
           json.field("line_number", location.line)
+        end
         @result.to_json(json) if @finished
       end
     end

src/spectator/expectation.cr

@@ -56,8 +56,10 @@ module Spectator
     # Creates the JSON representation of the expectation.
     def to_json(json : JSON::Builder)
       json.object do
-        json.field("file_path", @location.path)
+        if location = @location
-        json.field("line_number", @location.line)
+          json.field("file_path", location.path)
+          json.field("line_number", location.line)
+        end
         json.field("satisfied", satisfied?)
         if (failed = @match_data.as?(Matchers::FailedMatchData))
           failed_to_json(failed, json)

src/spectator/formatting/components/example_command.cr

@@ -11,9 +11,16 @@ module Spectator::Formatting::Components
     # Produces output for running the previously specified example.
     def to_s(io)
       io << "crystal spec "
-      io << @example.location
+
-      io << ' '
+      # Use location for argument if it's available, since it's simpler.
-      io << Comment.colorize(@example.to_s)
+      # Otherwise, use the example name filter argument.
+      if location = @example.location?
+        io << location
+      else
+        io << "-e " << @example
+      end
+
+      io << ' ' << Comment.colorize(@example.to_s)
     end
   end
 end

src/spectator/formatting/components/junit/root.cr

@@ -13,7 +13,7 @@ module Spectator::Formatting::Components::JUnit
     def self.from_report(report)
       hostname = System.hostname
       counts = report.counts
-      suites = report.examples.group_by(&.location.file)
+      suites = report.examples.group_by { |example| example.location?.try(&.path) || "anonymous" }
       suites = suites.map do |file, examples|
         TestSuite.from_examples(file, examples, hostname)
       end

src/spectator/formatting/components/junit/test_suite.cr

@@ -26,7 +26,7 @@ module Spectator::Formatting::Components::JUnit
     private def self.package_name_from_file(file)
       path = Path.new(file.to_s)
       name = path.stem
-      directory = path.relative_to(Dir.current).dirname
+      directory = path.dirname
       package = directory.gsub(File::SEPARATOR, '.')
       {package, name}
     end

src/spectator/formatting/components/profile.cr

@@ -29,8 +29,13 @@ module Spectator::Formatting::Components
       io.puts example
       io << "    "
       io << Runtime.new(example.result.elapsed).colorize.bold
+
+      if location = example.location
         io << ' '
-      io.puts example.location
+        io.puts location
+      else
+        io.puts
+      end
     end
   end
 end

src/spectator/formatting/components/result_block.cr

@@ -71,8 +71,10 @@ module Spectator::Formatting::Components
       source = if (result = @example.result).responds_to?(:source)
                  result.source
                else
-                 @example.location
+                 @example.location?
                end
+      return unless source
+
       line(io) { io << Comment.colorize(source) }
     end
 

src/spectator/formatting/components/tap_profile.cr

@@ -30,8 +30,13 @@ module Spectator::Formatting::Components
       io.puts example
       io << "#     "
       io << Runtime.new(example.result.elapsed)
+
+      if location = example.location?
         io << ' '
-      io.puts example.location
+        io.puts location
+      else
+        io.puts
+      end
     end
   end
 end

src/spectator/formatting/json_formatter.cr

@@ -28,8 +28,11 @@ module Spectator::Formatting
       @json.start_object
       @json.field("description", example.name? || "<anonymous>")
       @json.field("full_description", example)
-      @json.field("file_path", example.location.path)
+
-      @json.field("line_number", example.location.line)
+      if location = example.location?
+        @json.field("file_path", location.path)
+        @json.field("line_number", location.line)
+      end
     end
 
     # Adds fields to the example object for all result types known after the example completes.

src/spectator/line_example_filter.cr

@@ -7,8 +7,10 @@ module Spectator
 
     # Checks whether the example satisfies the filter.
     def includes?(example) : Bool
-      start_line = example.location.line
+      return false unless location = example.location?
-      end_line = example.location.end_line
+
+      start_line = location.line
+      end_line = location.end_line
       (start_line..end_line).covers?(@line)
     end
   end

src/spectator/location_example_filter.cr

@@ -8,7 +8,7 @@ module Spectator
 
     # Checks whether the example satisfies the filter.
     def includes?(example) : Bool
-      @location === example.location
+      @location === example.location?
     end
   end
 end