Merge pull request #215 from Karthic-Hackintosh/master

Initial test for middleware/middleware.go

middleware/middleware_test.go

+package middleware
+
+import (
+	"net/http"
+	"testing"
+)
+
+func TestIndexfile(t *testing.T) {
+	tests := []struct {
+		rootDir           http.FileSystem
+		fpath             string
+		indexFiles        []string
+		shouldErr         bool
+		expectedFilePath  string //retun value
+		expectedBoolValue bool   //return value
+	}{
+		{
+			http.Dir("./templates/testdata"), "/images/", []string{"img.htm"},
+			false,
+			"/images/img.htm", true,
+		},
+	}
+	for i, test := range tests {
+		actualFilePath, actualBoolValue := IndexFile(test.rootDir, test.fpath, test.indexFiles)
+		if actualBoolValue == true && test.shouldErr {
+			t.Errorf("Test %d didn't error, but it should have", i)
+		} else if actualBoolValue != true && !test.shouldErr {
+			t.Errorf("Test %d errored, but it shouldn't have; got %s", i, "Please Add a / at the end of fpath or the indexFiles doesnt exist")
+		}
+		if actualFilePath != test.expectedFilePath {
+			t.Fatalf("Test %d expected returned filepath to be %s, but got %s ",
+				i, test.expectedFilePath, actualFilePath)
+
+		}
+		if actualBoolValue != test.expectedBoolValue {
+			t.Fatalf("Test %d expected returned bool value to be %v, but got %v ",
+				i, test.expectedBoolValue, actualBoolValue)
+
+		}
+	}
+}