Add severity to formatters

spec/ameba/formatter/dot_formatter_spec.cr

@@ -64,6 +64,19 @@ module Ameba::Formatter
           log.should contain "      \e[33m^\e[0m"
         end
 
+        it "writes severity" do
+          output.clear
+          s = Source.new(%(
+            a = 22
+            puts a
+          )).tap do |source|
+            source.add_issue(DummyRule.new, {1, 5}, "DummyRuleError")
+          end
+          subject.finished [s]
+          log = output.to_s
+          log.should contain "[R]"
+        end
+
         it "doesn't write affected code if it is disabled" do
           output.clear
           s = Source.new(%(

spec/ameba/formatter/explain_formatter_spec.cr

@@ -50,6 +50,7 @@ module Ameba
         source = Source.new "a = 42", "source.cr"
         output = explanation(source)
         output.should contain "RULE INFO"
+        output.should contain "Refactoring"
         output.should contain "Ameba/ErrorRule"
         output.should contain "Always adds an error at 1:1"
       end

spec/ameba/formatter/flycheck_formatter_spec.cr

@@ -22,7 +22,7 @@ module Ameba::Formatter
         subject = flycheck
         subject.source_finished s
         subject.output.to_s.should eq(
-          "source.cr:1:2: E: [#{DummyRule.rule_name}] message\n"
+          "source.cr:1:2: R: [#{DummyRule.rule_name}] message\n"
         )
       end
 
@@ -32,7 +32,7 @@ module Ameba::Formatter
         subject = flycheck
         subject.source_finished s
         subject.output.to_s.should eq(
-          "source.cr:1:2: E: [#{DummyRule.rule_name}] multi line\n"
+          "source.cr:1:2: R: [#{DummyRule.rule_name}] multi line\n"
         )
       end
 

spec/ameba/formatter/json_formatter_spec.cr

@@ -37,6 +37,14 @@ module Ameba
         result["sources"][0]["issues"][0]["rule_name"].should eq DummyRule.rule_name
       end
 
+      it "shows severity" do
+        s = Source.new ""
+        s.add_issue DummyRule.new, {1, 2}, "message"
+
+        result = get_result [s]
+        result["sources"][0]["issues"][0]["severity"].should eq "Refactoring"
+      end
+
       it "shows a message" do
         s = Source.new ""
         s.add_issue DummyRule.new, {1, 2}, "message"

spec/ameba/formatter/todo_formatter_spec.cr

@@ -43,6 +43,10 @@ module Ameba
         create_todo.should contain "DummyRule"
       end
 
+      it "creates a todo with severity" do
+        create_todo.should contain "Refactoring"
+      end
+
       it "creates a todo with problems count" do
         create_todo.should contain "Problems found: 1"
       end