Add missing tests on specs

dataset/multi_file_spec/pet_definition.json

@@ -0,0 +1,20 @@
+{
+	"type": "object",
+	"required": [
+		"id",
+		"name"
+	],
+	"properties": {
+		"id": {
+			"type": "integer",
+			"format": "int64"
+		},
+		"name": {
+			"type": "string"
+		},
+		"tag": {
+			"type": "string"
+		}
+	}
+}
+}

dataset/multi_file_spec/petstore_minimal.json

@@ -0,0 +1,52 @@
+{
+	"swagger": "2.0",
+	"info": {
+		"version": "1.0.0",
+		"title": "Swagger Petstore",
+		"description": "A sample API that uses a petstore as an example to demonstrate features in the swagger-2.0 specification",
+		"termsOfService": "http://swagger.io/terms/",
+		"contact": {
+			"name": "Swagger API Team"
+		},
+		"license": {
+			"name": "MIT"
+		}
+	},
+	"host": "petstore.swagger.io",
+	"basePath": "/api",
+	"schemes": [
+		"http"
+  ],
+  "consumes": [
+	  "application/json"
+  ],
+  "produces": [
+	  "application/json"
+  ],
+  "paths": {
+	  "/pets": {
+		  "get": {
+			  "description": "Returns all pets from the system that the user has access to",
+			  "produces": [
+				  "application/json"
+			  ],
+			  "responses": {
+				  "200": {
+					  "description": "A list of pets.",
+					  "schema": {
+						  "type": "array",
+						  "items": {
+							  "$ref": "#/definitions/Pet"
+						  }
+					  }
+				  }
+			  }
+		  }
+	  }
+  },
+  "definitions": {
+	  "Pet": {
+		  "$ref": "./pet_definition.json"
+	  }
+  }
+}

dataset/petstore_invalid_ref.json

@@ -0,0 +1,52 @@
+{
+	"swagger": "2.0",
+	"info": {
+		"version": "1.0.0",
+		"title": "Swagger Petstore",
+		"description": "A sample API that uses a petstore as an example to demonstrate features in the swagger-2.0 specification",
+		"termsOfService": "http://swagger.io/terms/",
+		"contact": {
+			"name": "Swagger API Team"
+		},
+		"license": {
+			"name": "MIT"
+		}
+	},
+	"host": "petstore.swagger.io",
+	"basePath": "/api",
+	"schemes": [
+		"http"
+  ],
+  "consumes": [
+	  "application/json"
+  ],
+  "produces": [
+	  "application/json"
+  ],
+  "paths": {
+	  "/pets": {
+		  "get": {
+			  "description": "Returns all pets from the system that the user has access to",
+			  "produces": [
+				  "application/json"
+			  ],
+			  "responses": {
+				  "200": {
+					  "description": "A list of pets.",
+					  "schema": {
+						  "type": "array",
+						  "items": {
+							  "$ref": "#/definitions/Pet"
+						  }
+					  }
+				  }
+			  }
+		  }
+	  }
+  },
+  "definitions": {
+	  "Pet": {
+		  "$ref": "./invalid-file-ref.json"
+	  }
+  }
+}

specs_test.go

@@ -1,6 +1,7 @@
 package oaichecker
 
 import (
+	"io/ioutil"
 	"testing"
 
 	"github.com/stretchr/testify/assert"
@@ -14,13 +15,47 @@ func Test_NewSpecsFromFile_with_load_error(t *testing.T) {
 	assert.EqualError(t, err, "open some-unknown-path: no such file or directory")
 }
 
+func Test_NewSpecsFromRaw(t *testing.T) {
+	rawSpecs, err := ioutil.ReadFile("./dataset/petstore_minimal.json")
+	require.NoError(t, err)
+
+	specs, err := NewSpecsFromRaw(rawSpecs)
+
+	assert.NotNil(t, specs)
+	assert.NoError(t, err)
+}
+
 func Test_NewSpecsFromRaw_with_unmarshalable_content(t *testing.T) {
 	specs, err := NewSpecsFromRaw([]byte("no a valid spec"))
 
 	assert.Nil(t, specs)
 	assert.EqualError(t, err, "analyzed: yaml: unmarshal errors:\n  line 1: cannot unmarshal !!str `no a va...` into map[interface {}]interface {}")
 }
 
+func Test_NewSpecsFromFile_with_multi_file_spec_and_invalid_ref_should_fail(t *testing.T) {
+	specs, err := NewSpecsFromFile("./dataset/petstore_invalid_ref.json")
+
+	assert.Nil(t, specs)
+	assert.Contains(t, err.Error(), "no such file or directory")
+}
+
+func Test_NewSpecsFromFile_with_multi_file_spec(t *testing.T) {
+	specs, err := NewSpecsFromFile("./dataset/multi_file_spec/petstore_minimal.json")
+
+	assert.NotNil(t, specs)
+	assert.NoError(t, err)
+}
+
+func Test_NewSpecsFromRaw_with_multi_file_spec_and_invalid_working_dir_should_fail(t *testing.T) {
+	rawSpecs, err := ioutil.ReadFile("./dataset/multi_file_spec/petstore_minimal.json")
+	require.NoError(t, err)
+
+	specs, err := NewSpecsFromRaw(rawSpecs)
+
+	assert.Nil(t, specs)
+	assert.Contains(t, err.Error(), "no such file or directory")
+}
+
 func Test_Specs_Validate_with_invalid_specs(t *testing.T) {
 	specs, err := NewSpecsFromFile("./dataset/petstore_invalid.json")
 	require.NoError(t, err)