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// Copyright 2012 Aaron Jacobs. All Rights Reserved.
// Author: aaronjjacobs@gmail.com (Aaron Jacobs)
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package oglemock_test
import (
. "github.com/jacobsa/oglematchers"
"github.com/jacobsa/oglemock"
. "github.com/jacobsa/ogletest"
"reflect"
)
////////////////////////////////////////////////////////////
// Helpers
////////////////////////////////////////////////////////////
type InvokeTest struct {
}
func init() { RegisterTestSuite(&InvokeTest{}) }
////////////////////////////////////////////////////////////
// Tests
////////////////////////////////////////////////////////////
func (t *InvokeTest) ArgumentIsNil() {
f := func() { oglemock.Invoke(nil) }
ExpectThat(f, Panics(MatchesRegexp("Invoke.*function.*<nil>")))
}
func (t *InvokeTest) ArgumentIsInt() {
f := func() { oglemock.Invoke(17) }
ExpectThat(f, Panics(MatchesRegexp("Invoke.*function.*int")))
}
func (t *InvokeTest) FunctionHasOneWrongInputType() {
f := func(a int, b int32, c string) {}
g := func(a int, b int, c string) {}
err := oglemock.Invoke(f).SetSignature(reflect.TypeOf(g))
ExpectThat(err, Error(HasSubstr("func(int, int32, string)")))
ExpectThat(err, Error(HasSubstr("func(int, int, string)")))
}
func (t *InvokeTest) FunctionHasOneWrongOutputType() {
f := func() (int32, string) { return 0, "" }
g := func() (int, string) { return 0, "" }
err := oglemock.Invoke(f).SetSignature(reflect.TypeOf(g))
ExpectThat(err, Error(HasSubstr("func() (int32, string)")))
ExpectThat(err, Error(HasSubstr("func() (int, string)")))
}
func (t *InvokeTest) CallsFunction() {
var actualArg0, actualArg1 interface{}
f := func(a uintptr, b int8) {
actualArg0 = a
actualArg1 = b
}
a := oglemock.Invoke(f)
// Set signature.
AssertEq(nil, a.SetSignature(reflect.TypeOf(f)))
// Call the action.
expectedArg0 := uintptr(17)
expectedArg1 := int8(-7)
a.Invoke([]interface{}{expectedArg0, expectedArg1})
ExpectThat(actualArg0, IdenticalTo(expectedArg0))
ExpectThat(actualArg1, IdenticalTo(expectedArg1))
}
func (t *InvokeTest) ReturnsFunctionResult() {
expectedReturn0 := int16(3)
expectedReturn1 := "taco"
f := func() (int16, string) {
return expectedReturn0, expectedReturn1
}
a := oglemock.Invoke(f)
// Set signature.
AssertEq(nil, a.SetSignature(reflect.TypeOf(f)))
// Call the action.
res := a.Invoke([]interface{}{})
ExpectThat(
res,
ElementsAre(
IdenticalTo(expectedReturn0),
IdenticalTo(expectedReturn1)))
}
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