From a18daf719dea64d617a83bc2331a34a6c00435ed Mon Sep 17 00:00:00 2001
From: Sasha Melentyev <sasha@melentyev.io>
Date: Tue, 25 Jan 2022 20:48:40 +0300
Subject: [PATCH] feat(parse): add openapi parse case

---
 internal/parse/parse.go                   | 13 +++++++----
 internal/parse/parse_test.go              | 28 +++++++++++++++++++++++
 internal/parse/testdata/empty-openapi.yml |  0
 internal/parse/testdata/openapi.yml       |  4 ++++
 4 files changed, 40 insertions(+), 5 deletions(-)
 create mode 100644 internal/parse/testdata/empty-openapi.yml
 create mode 100644 internal/parse/testdata/openapi.yml

diff --git a/internal/parse/parse.go b/internal/parse/parse.go
index c62a349..d8e400e 100644
--- a/internal/parse/parse.go
+++ b/internal/parse/parse.go
@@ -104,13 +104,16 @@ func GetSpecType(path string) (SpecType, error) {
 
 	switch splitPath[1] {
 	case "yml", "yaml":
-		if err := yaml.Unmarshal(file, &openapi.OpenAPI{}); err == nil {
-			return OpenAPI, nil
-		}
+		var openapi openapi.OpenAPI
 
-		return Unknown, &SpecTypeError{
-			Path: path,
+		err := yaml.Unmarshal(file, &openapi)
+		if err != nil || len(openapi.OpenAPI) == 0 {
+			return Unknown, &SpecTypeError{
+				Path: path,
+			}
 		}
+
+		return OpenAPI, nil
 	case "graphql":
 		return GraphQL, nil
 	default:
diff --git a/internal/parse/parse_test.go b/internal/parse/parse_test.go
index 3974dcc..97b0913 100644
--- a/internal/parse/parse_test.go
+++ b/internal/parse/parse_test.go
@@ -53,6 +53,34 @@ func TestParse(t *testing.T) {
 				Path: "./testdata/openapi",
 			},
 		},
+		{
+			name: "graphql",
+			path: "./testdata/schema.graphql",
+			want: api.API{},
+			err:  nil,
+		},
+		{
+			name: "",
+			path: "./testdata/empty-openapi.yml",
+			want: api.API{},
+			err: &parse.SpecTypeError{
+				Path: "./testdata/empty-openapi.yml",
+			},
+		},
+		{
+			name: "",
+			path: "./testdata/openapi.yml",
+			want: api.API{},
+			err:  nil,
+		},
+		{
+			name: "unknown format",
+			path: "./testdata/api.raml",
+			want: api.API{},
+			err: &parse.SpecTypeError{
+				Path: "./testdata/api.raml",
+			},
+		},
 	}
 
 	for _, tc := range tests {
diff --git a/internal/parse/testdata/empty-openapi.yml b/internal/parse/testdata/empty-openapi.yml
new file mode 100644
index 0000000..e69de29
diff --git a/internal/parse/testdata/openapi.yml b/internal/parse/testdata/openapi.yml
new file mode 100644
index 0000000..d61f3ea
--- /dev/null
+++ b/internal/parse/testdata/openapi.yml
@@ -0,0 +1,4 @@
+openapi: 3.0.3
+info:
+  title: Users dummy API
+  version: 0.1.0