lib/undercover.rb in undercover-0.5.0 vs lib/undercover.rb in undercover-0.6.0

@@ -20,25 +20,30 @@
     def_delegators :changeset, :validate
 
     attr_reader :changeset,
                 :lcov,
                 :results,
-                :code_dir
+                :code_dir,
+                :glob_filters
 
     # Initializes a new Undercover::Report
     #
     # @param changeset [Undercover::Changeset]
     # @param opts [Undercover::Options]
     def initialize(changeset, opts)
       @lcov = LcovParser.parse(File.open(opts.lcov))
       @code_dir = opts.path
       @changeset = changeset.update
+      @glob_filters = {
+        allow: opts.glob_allow_filters,
+        reject: opts.glob_reject_filters
+      }
       @loaded_files = {}
       @results = {}
     end
 
-    # rubocop:disable Metrics/MethodLength, Metrics/AbcSize, Metrics/CyclomaticComplexity
+    # rubocop:disable Metrics/MethodLength, Metrics/AbcSize
     def build
       changeset.each_changed_line do |filepath, line_no|
         dist_from_line_no = lambda do |res|
           return BigDecimal::INFINITY if line_no < res.first_line
 
@@ -48,10 +53,11 @@
           line_no - res.first_line
         end
         dist_from_line_no_sorter = lambda do |res1, res2|
           dist_from_line_no[res1] <=> dist_from_line_no[res2]
         end
+
         load_and_parse_file(filepath)
 
         next unless loaded_files[filepath]
 
         res = loaded_files[filepath].min(&dist_from_line_no_sorter)
@@ -59,11 +65,11 @@
         results[filepath] ||= Set.new
         results[filepath] << res
       end
       self
     end
-    # rubocop:enable Metrics/MethodLength, Metrics/AbcSize, Metrics/CyclomaticComplexity
+    # rubocop:enable Metrics/MethodLength, Metrics/AbcSize
 
     def build_warnings
       warn('Undercover::Report#build_warnings is deprecated! ' \
            'Please use the #flagged_results accessor instead.')
       all_results.select(&:flagged?)
@@ -90,12 +96,13 @@
     def load_and_parse_file(filepath)
       key = filepath.gsub(/^\.\//, '')
       return if loaded_files[key]
 
       coverage = lcov.coverage(filepath)
-      return if coverage.empty?
 
+      return unless include_file?(filepath)
+
       root_ast = Imagen::Node::Root.new.build_from_file(
         File.join(code_dir, filepath)
       )
       return if root_ast.children.empty?
 
@@ -104,7 +111,12 @@
       root_ast.children[0].find_all(->(_) { true }).each do |imagen_node|
         loaded_files[key] << Result.new(imagen_node, coverage, filepath)
       end
     end
     # rubocop:enable Metrics/MethodLength, Metrics/AbcSize
+
+    def include_file?(filepath)
+      fnmatch = proc { |glob| File.fnmatch(glob, filepath) }
+      glob_filters[:allow].any?(fnmatch) && glob_filters[:reject].none?(fnmatch)
+    end
   end
 end