Ability to configure globs

spec/ameba/config_spec.cr

@@ -8,6 +8,42 @@ module Ameba
       Config::AVAILABLE_FORMATTERS.should_not be_nil
     end
 
+    describe ".new" do
+      it "loads default globs when config is empty" do
+        yml = YAML.parse "{}"
+        config = Config.new(yml)
+        config.globs.should eq Config::DEFAULT_GLOBS
+      end
+
+      it "initializes globs as string" do
+        yml = YAML.parse <<-CONFIG
+          ---
+          Globs: src/*.cr
+          CONFIG
+        config = Config.new(yml)
+        config.globs.should eq %w(src/*.cr)
+      end
+
+      it "initializes globs as array" do
+        yml = YAML.parse <<-CONFIG
+          ---
+          Globs:
+           - "src/*.cr"
+           - "!spec"
+          CONFIG
+        config = Config.new(yml)
+        config.globs.should eq %w(src/*.cr !spec)
+      end
+
+      it "raises if Globs has a wrong type" do
+        yml = YAML.parse <<-CONFIG
+          ---
+          Globs: 100
+          CONFIG
+        expect_raises(Exception, "incorrect 'Globs' section in a config file") { Config.new(yml) }
+      end
+    end
+
     describe ".load" do
       it "loads custom config" do
         config = Config.load config_sample
@@ -28,7 +64,7 @@ module Ameba
       config = Config.load config_sample
 
       it "holds source globs" do
-        config.globs.should contain "spec/ameba/config_spec.cr"
+        config.globs.should eq Config::DEFAULT_GLOBS
       end
 
       it "allows to set globs" do