add benchmark for parse file (#372)

Author: cvgw

Diff for: mockgen/internal/tests/performance/big_interface/big_interface.go

@@ -0,0 +1,66 @@
+package big_interface
+
+type Bar struct{}
+
+type BigInterface interface {
+	Foo1(bool, bool, bool, bool, bool, bool, bool, bool) Bar
+	Foo2(bool, bool, bool, bool, bool, bool, bool, bool) Bar
+	Foo3(bool, bool, bool, bool, bool, bool, bool, bool) Bar
+	Foo4(bool, bool, bool, bool, bool, bool, bool, bool) Bar
+	Foo5(bool, bool, bool, bool, bool, bool, bool, bool) Bar
+	Foo6(bool, bool, bool, bool, bool, bool, bool, bool) Bar
+	Foo7(bool, bool, bool, bool, bool, bool, bool, bool) Bar
+	Foo8(bool, bool, bool, bool, bool, bool, bool, bool) Bar
+	Foo9(bool, bool, bool, bool, bool, bool, bool, bool) Bar
+	Foo10(bool, bool, bool, bool, bool, bool, bool, bool) Bar
+	Foo11(bool, bool, bool, bool, bool, bool, bool, bool) Bar
+	Foo12(bool, bool, bool, bool, bool, bool, bool, bool) Bar
+	Foo13(bool, bool, bool, bool, bool, bool, bool, bool) Bar
+	Foo14(bool, bool, bool, bool, bool, bool, bool, bool) Bar
+	Foo15(bool, bool, bool, bool, bool, bool, bool, bool) Bar
+	Foo16(bool, bool, bool, bool, bool, bool, bool, bool) Bar
+	Foo17(bool, bool, bool, bool, bool, bool, bool, bool) Bar
+	Foo18(bool, bool, bool, bool, bool, bool, bool, bool) Bar
+	Foo19(bool, bool, bool, bool, bool, bool, bool, bool) Bar
+	Foo20(bool, bool, bool, bool, bool, bool, bool, bool) Bar
+	Foo21(bool, bool, bool, bool, bool, bool, bool, bool) Bar
+	Foo22(bool, bool, bool, bool, bool, bool, bool, bool) Bar
+	Foo23(bool, bool, bool, bool, bool, bool, bool, bool) Bar
+	Foo24(bool, bool, bool, bool, bool, bool, bool, bool) Bar
+	Foo25(bool, bool, bool, bool, bool, bool, bool, bool) Bar
+	Foo26(bool, bool, bool, bool, bool, bool, bool, bool) Bar
+	Foo27(bool, bool, bool, bool, bool, bool, bool, bool) Bar
+	Foo28(bool, bool, bool, bool, bool, bool, bool, bool) Bar
+	Foo29(bool, bool, bool, bool, bool, bool, bool, bool) Bar
+	Foo30(bool, bool, bool, bool, bool, bool, bool, bool) Bar
+	Foo31(bool, bool, bool, bool, bool, bool, bool, bool) Bar
+	Foo32(bool, bool, bool, bool, bool, bool, bool, bool) Bar
+	Foo33(bool, bool, bool, bool, bool, bool, bool, bool) Bar
+	Foo34(bool, bool, bool, bool, bool, bool, bool, bool) Bar
+	Foo35(bool, bool, bool, bool, bool, bool, bool, bool) Bar
+	Foo36(bool, bool, bool, bool, bool, bool, bool, bool) Bar
+	Foo37(bool, bool, bool, bool, bool, bool, bool, bool) Bar
+	Foo38(bool, bool, bool, bool, bool, bool, bool, bool) Bar
+	Foo39(bool, bool, bool, bool, bool, bool, bool, bool) Bar
+	Foo40(bool, bool, bool, bool, bool, bool, bool, bool) Bar
+	Foo41(bool, bool, bool, bool, bool, bool, bool, bool) Bar
+	Foo42(bool, bool, bool, bool, bool, bool, bool, bool) Bar
+	Foo43(bool, bool, bool, bool, bool, bool, bool, bool) Bar
+	Foo44(bool, bool, bool, bool, bool, bool, bool, bool) Bar
+	Foo45(bool, bool, bool, bool, bool, bool, bool, bool) Bar
+	Foo46(bool, bool, bool, bool, bool, bool, bool, bool) Bar
+	Foo47(bool, bool, bool, bool, bool, bool, bool, bool) Bar
+	Foo48(bool, bool, bool, bool, bool, bool, bool, bool) Bar
+	Foo49(bool, bool, bool, bool, bool, bool, bool, bool) Bar
+	Foo50(bool, bool, bool, bool, bool, bool, bool, bool) Bar
+	Foo51(bool, bool, bool, bool, bool, bool, bool, bool) Bar
+	Foo52(bool, bool, bool, bool, bool, bool, bool, bool) Bar
+	Foo53(bool, bool, bool, bool, bool, bool, bool, bool) Bar
+	Foo54(bool, bool, bool, bool, bool, bool, bool, bool) Bar
+	Foo55(bool, bool, bool, bool, bool, bool, bool, bool) Bar
+	Foo56(bool, bool, bool, bool, bool, bool, bool, bool) Bar
+	Foo57(bool, bool, bool, bool, bool, bool, bool, bool) Bar
+	Foo58(bool, bool, bool, bool, bool, bool, bool, bool) Bar
+	Foo59(bool, bool, bool, bool, bool, bool, bool, bool) Bar
+	Foo60(bool, bool, bool, bool, bool, bool, bool, bool) Bar
+}

Diff for: mockgen/parse_test.go

@@ -106,3 +106,10 @@ func checkGreeterImports(t *testing.T, imports map[string]string) {
 		t.Errorf("Expected import not to have key \"v1\"")
 	}
 }
+
+func Benchmark_parseFile(b *testing.B) {
+	source := "internal/tests/performance/big_interface/big_interface.go"
+	for n := 0; n < b.N; n++ {
+		parseFile(source)
+	}
+}