Convertable severity

spec/ameba/severity_spec.cr

@@ -0,0 +1,79 @@
+require "../spec_helper"
+
+module Ameba
+  describe Severity do
+    describe ".default" do
+      it "returns default severity" do
+        Severity.default.should eq Severity::Refactoring
+      end
+    end
+
+    describe ".from_name" do
+      it "creates error severity by name" do
+        Severity.from_name("Error").should eq Severity::Error
+      end
+
+      it "creates warning severity by name" do
+        Severity.from_name("Warning").should eq Severity::Warning
+      end
+
+      it "creates refactoring severity by name" do
+        Severity.from_name("Refactoring").should eq Severity::Refactoring
+      end
+
+      it "raises when name is incorrect" do
+        expect_raises(Exception, "Incorrect severity name BadName. Try one of [Error, Warning, Refactoring]") do
+          Severity.from_name("BadName")
+        end
+      end
+    end
+  end
+
+  struct SeverityConvertable
+    YAML.mapping(
+      severity: { type: Severity, converter: SeverityYamlConverter }
+    )
+  end
+
+  describe SeverityYamlConverter do
+    describe ".from_yaml" do
+      it "converts from yaml to Severity::Error" do
+        yaml = { severity: "error" }.to_yaml
+        converted = SeverityConvertable.from_yaml(yaml)
+        converted.severity.should eq Severity::Error
+      end
+
+      it "converts from yaml to Severity::Warning" do
+        yaml = { severity: "warning" }.to_yaml
+        converted = SeverityConvertable.from_yaml(yaml)
+        converted.severity.should eq Severity::Warning
+      end
+
+      it "converts from yaml to Severity::Refactoring" do
+        yaml = { severity: "refactoring" }.to_yaml
+        converted = SeverityConvertable.from_yaml(yaml)
+        converted.severity.should eq Severity::Refactoring
+      end
+    end
+
+    describe ".to_yaml" do
+      it "converts Severity::Error to yaml" do
+        yaml = { severity: "error" }.to_yaml
+        converted = SeverityConvertable.from_yaml(yaml).to_yaml
+        converted.should eq "---\nseverity: Error\n"
+      end
+
+      it "converts Severity::Warning to yaml" do
+        yaml = { severity: "warning" }.to_yaml
+        converted = SeverityConvertable.from_yaml(yaml).to_yaml
+        converted.should eq "---\nseverity: Warning\n"
+      end
+
+      it "converts Severity::Refactoring to yaml" do
+        yaml = { severity: "refactoring" }.to_yaml
+        converted = SeverityConvertable.from_yaml(yaml).to_yaml
+        converted.should eq "---\nseverity: Refactoring\n"
+      end
+    end
+  end
+end