test(convetion): unit test for mixedcase types

pkg/convention/commit_test.go

@@ -32,6 +32,18 @@ func TestNewCommit(t *testing.T) {
 				Message: "feat(lang): add polish language",
 			},
 		},
+		{
+			name: "Uppercase",
+			c: git.Commit{
+				Message: "REFACTOR!: drop support for Node 6",
+			},
+		},
+		{
+			name: "Mixedcase",
+			c: git.Commit{
+				Message: "Docs: correct spelling of CHANGELOG",
+			},
+		},
 	}
 
 	for _, tc := range tests {

pkg/convention/testdata/TestNewCommit/Mixedcase.golden

@@ -0,0 +1,4 @@
+{
+  "RawHeader": "Docs: correct spelling of CHANGELOG",
+  "Type": "docs"
+}

pkg/convention/testdata/TestNewCommit/Uppercase.golden

@@ -0,0 +1,4 @@
+{
+  "RawHeader": "REFACTOR!: drop support for Node 6",
+  "Type": "refactor"
+}