Switch from golang/mock to uber-go/mock

See https://github.com/golang/mock#gomock: golang/mock is no longer
maintained, and should be replaced by go.uber.org/mock.

This allows golang/mock to be dropped from the status and vendored
fields in unwanted-dependencies.json.

Signed-off-by: Stephen Kitt <skitt@redhat.com>
This commit is contained in:
Stephen Kitt
2023-10-02 18:01:56 +02:00
parent 2ec63e0d28
commit 6bf667af06
49 changed files with 630 additions and 351 deletions

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# This is the official list of GoMock authors for copyright purposes.
# This file is distinct from the CONTRIBUTORS files.
# See the latter for an explanation.
# Names should be added to this file as
# Name or Organization <email address>
# The email address is not required for organizations.
# Please keep the list sorted.
Alex Reece <awreece@gmail.com>
Google Inc.

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@@ -1,37 +0,0 @@
# This is the official list of people who can contribute (and typically
# have contributed) code to the gomock repository.
# The AUTHORS file lists the copyright holders; this file
# lists people. For example, Google employees are listed here
# but not in AUTHORS, because Google holds the copyright.
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# The submission process automatically checks to make sure
# that people submitting code are listed in this file (by email address).
#
# Names should be added to this file only after verifying that
# the individual or the individual's organization has agreed to
# the appropriate Contributor License Agreement, found here:
#
# http://code.google.com/legal/individual-cla-v1.0.html
# http://code.google.com/legal/corporate-cla-v1.0.html
#
# The agreement for individuals can be filled out on the web.
#
# When adding J Random Contributor's name to this file,
# either J's name or J's organization's name should be
# added to the AUTHORS file, depending on whether the
# individual or corporate CLA was used.
# Names should be added to this file like so:
# Name <email address>
#
# An entry with two email addresses specifies that the
# first address should be used in the submit logs and
# that the second address should be recognized as the
# same person when interacting with Rietveld.
# Please keep the list sorted.
Aaron Jacobs <jacobsa@google.com> <aaronjjacobs@gmail.com>
Alex Reece <awreece@gmail.com>
David Symonds <dsymonds@golang.org>
Ryan Barrett <ryanb@google.com>

202
vendor/github.com/golang/mock/LICENSE generated vendored
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@@ -1,202 +0,0 @@
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// Copyright 2010 Google Inc.
//
// 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 gomock
import (
"fmt"
"reflect"
"strconv"
"strings"
)
// Call represents an expected call to a mock.
type Call struct {
t TestHelper // for triggering test failures on invalid call setup
receiver interface{} // the receiver of the method call
method string // the name of the method
methodType reflect.Type // the type of the method
args []Matcher // the args
origin string // file and line number of call setup
preReqs []*Call // prerequisite calls
// Expectations
minCalls, maxCalls int
numCalls int // actual number made
// actions are called when this Call is called. Each action gets the args and
// can set the return values by returning a non-nil slice. Actions run in the
// order they are created.
actions []func([]interface{}) []interface{}
}
// newCall creates a *Call. It requires the method type in order to support
// unexported methods.
func newCall(t TestHelper, receiver interface{}, method string, methodType reflect.Type, args ...interface{}) *Call {
t.Helper()
// TODO: check arity, types.
mArgs := make([]Matcher, len(args))
for i, arg := range args {
if m, ok := arg.(Matcher); ok {
mArgs[i] = m
} else if arg == nil {
// Handle nil specially so that passing a nil interface value
// will match the typed nils of concrete args.
mArgs[i] = Nil()
} else {
mArgs[i] = Eq(arg)
}
}
// callerInfo's skip should be updated if the number of calls between the user's test
// and this line changes, i.e. this code is wrapped in another anonymous function.
// 0 is us, 1 is RecordCallWithMethodType(), 2 is the generated recorder, and 3 is the user's test.
origin := callerInfo(3)
actions := []func([]interface{}) []interface{}{func([]interface{}) []interface{} {
// Synthesize the zero value for each of the return args' types.
rets := make([]interface{}, methodType.NumOut())
for i := 0; i < methodType.NumOut(); i++ {
rets[i] = reflect.Zero(methodType.Out(i)).Interface()
}
return rets
}}
return &Call{t: t, receiver: receiver, method: method, methodType: methodType,
args: mArgs, origin: origin, minCalls: 1, maxCalls: 1, actions: actions}
}
// AnyTimes allows the expectation to be called 0 or more times
func (c *Call) AnyTimes() *Call {
c.minCalls, c.maxCalls = 0, 1e8 // close enough to infinity
return c
}
// MinTimes requires the call to occur at least n times. If AnyTimes or MaxTimes have not been called or if MaxTimes
// was previously called with 1, MinTimes also sets the maximum number of calls to infinity.
func (c *Call) MinTimes(n int) *Call {
c.minCalls = n
if c.maxCalls == 1 {
c.maxCalls = 1e8
}
return c
}
// MaxTimes limits the number of calls to n times. If AnyTimes or MinTimes have not been called or if MinTimes was
// previously called with 1, MaxTimes also sets the minimum number of calls to 0.
func (c *Call) MaxTimes(n int) *Call {
c.maxCalls = n
if c.minCalls == 1 {
c.minCalls = 0
}
return c
}
// DoAndReturn declares the action to run when the call is matched.
// The return values from this function are returned by the mocked function.
// It takes an interface{} argument to support n-arity functions.
func (c *Call) DoAndReturn(f interface{}) *Call {
// TODO: Check arity and types here, rather than dying badly elsewhere.
v := reflect.ValueOf(f)
c.addAction(func(args []interface{}) []interface{} {
c.t.Helper()
vArgs := make([]reflect.Value, len(args))
ft := v.Type()
if c.methodType.NumIn() != ft.NumIn() {
c.t.Fatalf("wrong number of arguments in DoAndReturn func for %T.%v: got %d, want %d [%s]",
c.receiver, c.method, ft.NumIn(), c.methodType.NumIn(), c.origin)
return nil
}
for i := 0; i < len(args); i++ {
if args[i] != nil {
vArgs[i] = reflect.ValueOf(args[i])
} else {
// Use the zero value for the arg.
vArgs[i] = reflect.Zero(ft.In(i))
}
}
vRets := v.Call(vArgs)
rets := make([]interface{}, len(vRets))
for i, ret := range vRets {
rets[i] = ret.Interface()
}
return rets
})
return c
}
// Do declares the action to run when the call is matched. The function's
// return values are ignored to retain backward compatibility. To use the
// return values call DoAndReturn.
// It takes an interface{} argument to support n-arity functions.
func (c *Call) Do(f interface{}) *Call {
// TODO: Check arity and types here, rather than dying badly elsewhere.
v := reflect.ValueOf(f)
c.addAction(func(args []interface{}) []interface{} {
c.t.Helper()
if c.methodType.NumIn() != v.Type().NumIn() {
c.t.Fatalf("wrong number of arguments in Do func for %T.%v: got %d, want %d [%s]",
c.receiver, c.method, v.Type().NumIn(), c.methodType.NumIn(), c.origin)
return nil
}
vArgs := make([]reflect.Value, len(args))
ft := v.Type()
for i := 0; i < len(args); i++ {
if args[i] != nil {
vArgs[i] = reflect.ValueOf(args[i])
} else {
// Use the zero value for the arg.
vArgs[i] = reflect.Zero(ft.In(i))
}
}
v.Call(vArgs)
return nil
})
return c
}
// Return declares the values to be returned by the mocked function call.
func (c *Call) Return(rets ...interface{}) *Call {
c.t.Helper()
mt := c.methodType
if len(rets) != mt.NumOut() {
c.t.Fatalf("wrong number of arguments to Return for %T.%v: got %d, want %d [%s]",
c.receiver, c.method, len(rets), mt.NumOut(), c.origin)
}
for i, ret := range rets {
if got, want := reflect.TypeOf(ret), mt.Out(i); got == want {
// Identical types; nothing to do.
} else if got == nil {
// Nil needs special handling.
switch want.Kind() {
case reflect.Chan, reflect.Func, reflect.Interface, reflect.Map, reflect.Ptr, reflect.Slice:
// ok
default:
c.t.Fatalf("argument %d to Return for %T.%v is nil, but %v is not nillable [%s]",
i, c.receiver, c.method, want, c.origin)
}
} else if got.AssignableTo(want) {
// Assignable type relation. Make the assignment now so that the generated code
// can return the values with a type assertion.
v := reflect.New(want).Elem()
v.Set(reflect.ValueOf(ret))
rets[i] = v.Interface()
} else {
c.t.Fatalf("wrong type of argument %d to Return for %T.%v: %v is not assignable to %v [%s]",
i, c.receiver, c.method, got, want, c.origin)
}
}
c.addAction(func([]interface{}) []interface{} {
return rets
})
return c
}
// Times declares the exact number of times a function call is expected to be executed.
func (c *Call) Times(n int) *Call {
c.minCalls, c.maxCalls = n, n
return c
}
// SetArg declares an action that will set the nth argument's value,
// indirected through a pointer. Or, in the case of a slice, SetArg
// will copy value's elements into the nth argument.
func (c *Call) SetArg(n int, value interface{}) *Call {
c.t.Helper()
mt := c.methodType
// TODO: This will break on variadic methods.
// We will need to check those at invocation time.
if n < 0 || n >= mt.NumIn() {
c.t.Fatalf("SetArg(%d, ...) called for a method with %d args [%s]",
n, mt.NumIn(), c.origin)
}
// Permit setting argument through an interface.
// In the interface case, we don't (nay, can't) check the type here.
at := mt.In(n)
switch at.Kind() {
case reflect.Ptr:
dt := at.Elem()
if vt := reflect.TypeOf(value); !vt.AssignableTo(dt) {
c.t.Fatalf("SetArg(%d, ...) argument is a %v, not assignable to %v [%s]",
n, vt, dt, c.origin)
}
case reflect.Interface:
// nothing to do
case reflect.Slice:
// nothing to do
default:
c.t.Fatalf("SetArg(%d, ...) referring to argument of non-pointer non-interface non-slice type %v [%s]",
n, at, c.origin)
}
c.addAction(func(args []interface{}) []interface{} {
v := reflect.ValueOf(value)
switch reflect.TypeOf(args[n]).Kind() {
case reflect.Slice:
setSlice(args[n], v)
default:
reflect.ValueOf(args[n]).Elem().Set(v)
}
return nil
})
return c
}
// isPreReq returns true if other is a direct or indirect prerequisite to c.
func (c *Call) isPreReq(other *Call) bool {
for _, preReq := range c.preReqs {
if other == preReq || preReq.isPreReq(other) {
return true
}
}
return false
}
// After declares that the call may only match after preReq has been exhausted.
func (c *Call) After(preReq *Call) *Call {
c.t.Helper()
if c == preReq {
c.t.Fatalf("A call isn't allowed to be its own prerequisite")
}
if preReq.isPreReq(c) {
c.t.Fatalf("Loop in call order: %v is a prerequisite to %v (possibly indirectly).", c, preReq)
}
c.preReqs = append(c.preReqs, preReq)
return c
}
// Returns true if the minimum number of calls have been made.
func (c *Call) satisfied() bool {
return c.numCalls >= c.minCalls
}
// Returns true if the maximum number of calls have been made.
func (c *Call) exhausted() bool {
return c.numCalls >= c.maxCalls
}
func (c *Call) String() string {
args := make([]string, len(c.args))
for i, arg := range c.args {
args[i] = arg.String()
}
arguments := strings.Join(args, ", ")
return fmt.Sprintf("%T.%v(%s) %s", c.receiver, c.method, arguments, c.origin)
}
// Tests if the given call matches the expected call.
// If yes, returns nil. If no, returns error with message explaining why it does not match.
func (c *Call) matches(args []interface{}) error {
if !c.methodType.IsVariadic() {
if len(args) != len(c.args) {
return fmt.Errorf("expected call at %s has the wrong number of arguments. Got: %d, want: %d",
c.origin, len(args), len(c.args))
}
for i, m := range c.args {
if !m.Matches(args[i]) {
return fmt.Errorf(
"expected call at %s doesn't match the argument at index %d.\nGot: %v\nWant: %v",
c.origin, i, formatGottenArg(m, args[i]), m,
)
}
}
} else {
if len(c.args) < c.methodType.NumIn()-1 {
return fmt.Errorf("expected call at %s has the wrong number of matchers. Got: %d, want: %d",
c.origin, len(c.args), c.methodType.NumIn()-1)
}
if len(c.args) != c.methodType.NumIn() && len(args) != len(c.args) {
return fmt.Errorf("expected call at %s has the wrong number of arguments. Got: %d, want: %d",
c.origin, len(args), len(c.args))
}
if len(args) < len(c.args)-1 {
return fmt.Errorf("expected call at %s has the wrong number of arguments. Got: %d, want: greater than or equal to %d",
c.origin, len(args), len(c.args)-1)
}
for i, m := range c.args {
if i < c.methodType.NumIn()-1 {
// Non-variadic args
if !m.Matches(args[i]) {
return fmt.Errorf("expected call at %s doesn't match the argument at index %s.\nGot: %v\nWant: %v",
c.origin, strconv.Itoa(i), formatGottenArg(m, args[i]), m)
}
continue
}
// The last arg has a possibility of a variadic argument, so let it branch
// sample: Foo(a int, b int, c ...int)
if i < len(c.args) && i < len(args) {
if m.Matches(args[i]) {
// Got Foo(a, b, c) want Foo(matcherA, matcherB, gomock.Any())
// Got Foo(a, b, c) want Foo(matcherA, matcherB, someSliceMatcher)
// Got Foo(a, b, c) want Foo(matcherA, matcherB, matcherC)
// Got Foo(a, b) want Foo(matcherA, matcherB)
// Got Foo(a, b, c, d) want Foo(matcherA, matcherB, matcherC, matcherD)
continue
}
}
// The number of actual args don't match the number of matchers,
// or the last matcher is a slice and the last arg is not.
// If this function still matches it is because the last matcher
// matches all the remaining arguments or the lack of any.
// Convert the remaining arguments, if any, into a slice of the
// expected type.
vArgsType := c.methodType.In(c.methodType.NumIn() - 1)
vArgs := reflect.MakeSlice(vArgsType, 0, len(args)-i)
for _, arg := range args[i:] {
vArgs = reflect.Append(vArgs, reflect.ValueOf(arg))
}
if m.Matches(vArgs.Interface()) {
// Got Foo(a, b, c, d, e) want Foo(matcherA, matcherB, gomock.Any())
// Got Foo(a, b, c, d, e) want Foo(matcherA, matcherB, someSliceMatcher)
// Got Foo(a, b) want Foo(matcherA, matcherB, gomock.Any())
// Got Foo(a, b) want Foo(matcherA, matcherB, someEmptySliceMatcher)
break
}
// Wrong number of matchers or not match. Fail.
// Got Foo(a, b) want Foo(matcherA, matcherB, matcherC, matcherD)
// Got Foo(a, b, c) want Foo(matcherA, matcherB, matcherC, matcherD)
// Got Foo(a, b, c, d) want Foo(matcherA, matcherB, matcherC, matcherD, matcherE)
// Got Foo(a, b, c, d, e) want Foo(matcherA, matcherB, matcherC, matcherD)
// Got Foo(a, b, c) want Foo(matcherA, matcherB)
return fmt.Errorf("expected call at %s doesn't match the argument at index %s.\nGot: %v\nWant: %v",
c.origin, strconv.Itoa(i), formatGottenArg(m, args[i:]), c.args[i])
}
}
// Check that all prerequisite calls have been satisfied.
for _, preReqCall := range c.preReqs {
if !preReqCall.satisfied() {
return fmt.Errorf("expected call at %s doesn't have a prerequisite call satisfied:\n%v\nshould be called before:\n%v",
c.origin, preReqCall, c)
}
}
// Check that the call is not exhausted.
if c.exhausted() {
return fmt.Errorf("expected call at %s has already been called the max number of times", c.origin)
}
return nil
}
// dropPrereqs tells the expected Call to not re-check prerequisite calls any
// longer, and to return its current set.
func (c *Call) dropPrereqs() (preReqs []*Call) {
preReqs = c.preReqs
c.preReqs = nil
return
}
func (c *Call) call() []func([]interface{}) []interface{} {
c.numCalls++
return c.actions
}
// InOrder declares that the given calls should occur in order.
func InOrder(calls ...*Call) {
for i := 1; i < len(calls); i++ {
calls[i].After(calls[i-1])
}
}
func setSlice(arg interface{}, v reflect.Value) {
va := reflect.ValueOf(arg)
for i := 0; i < v.Len(); i++ {
va.Index(i).Set(v.Index(i))
}
}
func (c *Call) addAction(action func([]interface{}) []interface{}) {
c.actions = append(c.actions, action)
}
func formatGottenArg(m Matcher, arg interface{}) string {
got := fmt.Sprintf("%v (%T)", arg, arg)
if gs, ok := m.(GotFormatter); ok {
got = gs.Got(arg)
}
return got
}

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@@ -1,113 +0,0 @@
// Copyright 2011 Google Inc.
//
// 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 gomock
import (
"bytes"
"errors"
"fmt"
)
// callSet represents a set of expected calls, indexed by receiver and method
// name.
type callSet struct {
// Calls that are still expected.
expected map[callSetKey][]*Call
// Calls that have been exhausted.
exhausted map[callSetKey][]*Call
}
// callSetKey is the key in the maps in callSet
type callSetKey struct {
receiver interface{}
fname string
}
func newCallSet() *callSet {
return &callSet{make(map[callSetKey][]*Call), make(map[callSetKey][]*Call)}
}
// Add adds a new expected call.
func (cs callSet) Add(call *Call) {
key := callSetKey{call.receiver, call.method}
m := cs.expected
if call.exhausted() {
m = cs.exhausted
}
m[key] = append(m[key], call)
}
// Remove removes an expected call.
func (cs callSet) Remove(call *Call) {
key := callSetKey{call.receiver, call.method}
calls := cs.expected[key]
for i, c := range calls {
if c == call {
// maintain order for remaining calls
cs.expected[key] = append(calls[:i], calls[i+1:]...)
cs.exhausted[key] = append(cs.exhausted[key], call)
break
}
}
}
// FindMatch searches for a matching call. Returns error with explanation message if no call matched.
func (cs callSet) FindMatch(receiver interface{}, method string, args []interface{}) (*Call, error) {
key := callSetKey{receiver, method}
// Search through the expected calls.
expected := cs.expected[key]
var callsErrors bytes.Buffer
for _, call := range expected {
err := call.matches(args)
if err != nil {
_, _ = fmt.Fprintf(&callsErrors, "\n%v", err)
} else {
return call, nil
}
}
// If we haven't found a match then search through the exhausted calls so we
// get useful error messages.
exhausted := cs.exhausted[key]
for _, call := range exhausted {
if err := call.matches(args); err != nil {
_, _ = fmt.Fprintf(&callsErrors, "\n%v", err)
continue
}
_, _ = fmt.Fprintf(
&callsErrors, "all expected calls for method %q have been exhausted", method,
)
}
if len(expected)+len(exhausted) == 0 {
_, _ = fmt.Fprintf(&callsErrors, "there are no expected calls of the method %q for that receiver", method)
}
return nil, errors.New(callsErrors.String())
}
// Failures returns the calls that are not satisfied.
func (cs callSet) Failures() []*Call {
failures := make([]*Call, 0, len(cs.expected))
for _, calls := range cs.expected {
for _, call := range calls {
if !call.satisfied() {
failures = append(failures, call)
}
}
}
return failures
}

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@@ -1,336 +0,0 @@
// Copyright 2010 Google Inc.
//
// 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 gomock is a mock framework for Go.
//
// Standard usage:
// (1) Define an interface that you wish to mock.
// type MyInterface interface {
// SomeMethod(x int64, y string)
// }
// (2) Use mockgen to generate a mock from the interface.
// (3) Use the mock in a test:
// func TestMyThing(t *testing.T) {
// mockCtrl := gomock.NewController(t)
// defer mockCtrl.Finish()
//
// mockObj := something.NewMockMyInterface(mockCtrl)
// mockObj.EXPECT().SomeMethod(4, "blah")
// // pass mockObj to a real object and play with it.
// }
//
// By default, expected calls are not enforced to run in any particular order.
// Call order dependency can be enforced by use of InOrder and/or Call.After.
// Call.After can create more varied call order dependencies, but InOrder is
// often more convenient.
//
// The following examples create equivalent call order dependencies.
//
// Example of using Call.After to chain expected call order:
//
// firstCall := mockObj.EXPECT().SomeMethod(1, "first")
// secondCall := mockObj.EXPECT().SomeMethod(2, "second").After(firstCall)
// mockObj.EXPECT().SomeMethod(3, "third").After(secondCall)
//
// Example of using InOrder to declare expected call order:
//
// gomock.InOrder(
// mockObj.EXPECT().SomeMethod(1, "first"),
// mockObj.EXPECT().SomeMethod(2, "second"),
// mockObj.EXPECT().SomeMethod(3, "third"),
// )
package gomock
import (
"context"
"fmt"
"reflect"
"runtime"
"sync"
)
// A TestReporter is something that can be used to report test failures. It
// is satisfied by the standard library's *testing.T.
type TestReporter interface {
Errorf(format string, args ...interface{})
Fatalf(format string, args ...interface{})
}
// TestHelper is a TestReporter that has the Helper method. It is satisfied
// by the standard library's *testing.T.
type TestHelper interface {
TestReporter
Helper()
}
// cleanuper is used to check if TestHelper also has the `Cleanup` method. A
// common pattern is to pass in a `*testing.T` to
// `NewController(t TestReporter)`. In Go 1.14+, `*testing.T` has a cleanup
// method. This can be utilized to call `Finish()` so the caller of this library
// does not have to.
type cleanuper interface {
Cleanup(func())
}
// A Controller represents the top-level control of a mock ecosystem. It
// defines the scope and lifetime of mock objects, as well as their
// expectations. It is safe to call Controller's methods from multiple
// goroutines. Each test should create a new Controller and invoke Finish via
// defer.
//
// func TestFoo(t *testing.T) {
// ctrl := gomock.NewController(t)
// defer ctrl.Finish()
// // ..
// }
//
// func TestBar(t *testing.T) {
// t.Run("Sub-Test-1", st) {
// ctrl := gomock.NewController(st)
// defer ctrl.Finish()
// // ..
// })
// t.Run("Sub-Test-2", st) {
// ctrl := gomock.NewController(st)
// defer ctrl.Finish()
// // ..
// })
// })
type Controller struct {
// T should only be called within a generated mock. It is not intended to
// be used in user code and may be changed in future versions. T is the
// TestReporter passed in when creating the Controller via NewController.
// If the TestReporter does not implement a TestHelper it will be wrapped
// with a nopTestHelper.
T TestHelper
mu sync.Mutex
expectedCalls *callSet
finished bool
}
// NewController returns a new Controller. It is the preferred way to create a
// Controller.
//
// New in go1.14+, if you are passing a *testing.T into this function you no
// longer need to call ctrl.Finish() in your test methods.
func NewController(t TestReporter) *Controller {
h, ok := t.(TestHelper)
if !ok {
h = &nopTestHelper{t}
}
ctrl := &Controller{
T: h,
expectedCalls: newCallSet(),
}
if c, ok := isCleanuper(ctrl.T); ok {
c.Cleanup(func() {
ctrl.T.Helper()
ctrl.finish(true, nil)
})
}
return ctrl
}
type cancelReporter struct {
t TestHelper
cancel func()
}
func (r *cancelReporter) Errorf(format string, args ...interface{}) {
r.t.Errorf(format, args...)
}
func (r *cancelReporter) Fatalf(format string, args ...interface{}) {
defer r.cancel()
r.t.Fatalf(format, args...)
}
func (r *cancelReporter) Helper() {
r.t.Helper()
}
// WithContext returns a new Controller and a Context, which is cancelled on any
// fatal failure.
func WithContext(ctx context.Context, t TestReporter) (*Controller, context.Context) {
h, ok := t.(TestHelper)
if !ok {
h = &nopTestHelper{t: t}
}
ctx, cancel := context.WithCancel(ctx)
return NewController(&cancelReporter{t: h, cancel: cancel}), ctx
}
type nopTestHelper struct {
t TestReporter
}
func (h *nopTestHelper) Errorf(format string, args ...interface{}) {
h.t.Errorf(format, args...)
}
func (h *nopTestHelper) Fatalf(format string, args ...interface{}) {
h.t.Fatalf(format, args...)
}
func (h nopTestHelper) Helper() {}
// RecordCall is called by a mock. It should not be called by user code.
func (ctrl *Controller) RecordCall(receiver interface{}, method string, args ...interface{}) *Call {
ctrl.T.Helper()
recv := reflect.ValueOf(receiver)
for i := 0; i < recv.Type().NumMethod(); i++ {
if recv.Type().Method(i).Name == method {
return ctrl.RecordCallWithMethodType(receiver, method, recv.Method(i).Type(), args...)
}
}
ctrl.T.Fatalf("gomock: failed finding method %s on %T", method, receiver)
panic("unreachable")
}
// RecordCallWithMethodType is called by a mock. It should not be called by user code.
func (ctrl *Controller) RecordCallWithMethodType(receiver interface{}, method string, methodType reflect.Type, args ...interface{}) *Call {
ctrl.T.Helper()
call := newCall(ctrl.T, receiver, method, methodType, args...)
ctrl.mu.Lock()
defer ctrl.mu.Unlock()
ctrl.expectedCalls.Add(call)
return call
}
// Call is called by a mock. It should not be called by user code.
func (ctrl *Controller) Call(receiver interface{}, method string, args ...interface{}) []interface{} {
ctrl.T.Helper()
// Nest this code so we can use defer to make sure the lock is released.
actions := func() []func([]interface{}) []interface{} {
ctrl.T.Helper()
ctrl.mu.Lock()
defer ctrl.mu.Unlock()
expected, err := ctrl.expectedCalls.FindMatch(receiver, method, args)
if err != nil {
// callerInfo's skip should be updated if the number of calls between the user's test
// and this line changes, i.e. this code is wrapped in another anonymous function.
// 0 is us, 1 is controller.Call(), 2 is the generated mock, and 3 is the user's test.
origin := callerInfo(3)
ctrl.T.Fatalf("Unexpected call to %T.%v(%v) at %s because: %s", receiver, method, args, origin, err)
}
// Two things happen here:
// * the matching call no longer needs to check prerequite calls,
// * and the prerequite calls are no longer expected, so remove them.
preReqCalls := expected.dropPrereqs()
for _, preReqCall := range preReqCalls {
ctrl.expectedCalls.Remove(preReqCall)
}
actions := expected.call()
if expected.exhausted() {
ctrl.expectedCalls.Remove(expected)
}
return actions
}()
var rets []interface{}
for _, action := range actions {
if r := action(args); r != nil {
rets = r
}
}
return rets
}
// Finish checks to see if all the methods that were expected to be called
// were called. It should be invoked for each Controller. It is not idempotent
// and therefore can only be invoked once.
//
// New in go1.14+, if you are passing a *testing.T into NewController function you no
// longer need to call ctrl.Finish() in your test methods.
func (ctrl *Controller) Finish() {
// If we're currently panicking, probably because this is a deferred call.
// This must be recovered in the deferred function.
err := recover()
ctrl.finish(false, err)
}
func (ctrl *Controller) finish(cleanup bool, panicErr interface{}) {
ctrl.T.Helper()
ctrl.mu.Lock()
defer ctrl.mu.Unlock()
if ctrl.finished {
if _, ok := isCleanuper(ctrl.T); !ok {
ctrl.T.Fatalf("Controller.Finish was called more than once. It has to be called exactly once.")
}
return
}
ctrl.finished = true
// Short-circuit, pass through the panic.
if panicErr != nil {
panic(panicErr)
}
// Check that all remaining expected calls are satisfied.
failures := ctrl.expectedCalls.Failures()
for _, call := range failures {
ctrl.T.Errorf("missing call(s) to %v", call)
}
if len(failures) != 0 {
if !cleanup {
ctrl.T.Fatalf("aborting test due to missing call(s)")
return
}
ctrl.T.Errorf("aborting test due to missing call(s)")
}
}
// callerInfo returns the file:line of the call site. skip is the number
// of stack frames to skip when reporting. 0 is callerInfo's call site.
func callerInfo(skip int) string {
if _, file, line, ok := runtime.Caller(skip + 1); ok {
return fmt.Sprintf("%s:%d", file, line)
}
return "unknown file"
}
// isCleanuper checks it if t's base TestReporter has a Cleanup method.
func isCleanuper(t TestReporter) (cleanuper, bool) {
tr := unwrapTestReporter(t)
c, ok := tr.(cleanuper)
return c, ok
}
// unwrapTestReporter unwraps TestReporter to the base implementation.
func unwrapTestReporter(t TestReporter) TestReporter {
tr := t
switch nt := t.(type) {
case *cancelReporter:
tr = nt.t
if h, check := tr.(*nopTestHelper); check {
tr = h.t
}
case *nopTestHelper:
tr = nt.t
default:
// not wrapped
}
return tr
}

View File

@@ -1,341 +0,0 @@
// Copyright 2010 Google Inc.
//
// 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 gomock
import (
"fmt"
"reflect"
"strings"
)
// A Matcher is a representation of a class of values.
// It is used to represent the valid or expected arguments to a mocked method.
type Matcher interface {
// Matches returns whether x is a match.
Matches(x interface{}) bool
// String describes what the matcher matches.
String() string
}
// WantFormatter modifies the given Matcher's String() method to the given
// Stringer. This allows for control on how the "Want" is formatted when
// printing .
func WantFormatter(s fmt.Stringer, m Matcher) Matcher {
type matcher interface {
Matches(x interface{}) bool
}
return struct {
matcher
fmt.Stringer
}{
matcher: m,
Stringer: s,
}
}
// StringerFunc type is an adapter to allow the use of ordinary functions as
// a Stringer. If f is a function with the appropriate signature,
// StringerFunc(f) is a Stringer that calls f.
type StringerFunc func() string
// String implements fmt.Stringer.
func (f StringerFunc) String() string {
return f()
}
// GotFormatter is used to better print failure messages. If a matcher
// implements GotFormatter, it will use the result from Got when printing
// the failure message.
type GotFormatter interface {
// Got is invoked with the received value. The result is used when
// printing the failure message.
Got(got interface{}) string
}
// GotFormatterFunc type is an adapter to allow the use of ordinary
// functions as a GotFormatter. If f is a function with the appropriate
// signature, GotFormatterFunc(f) is a GotFormatter that calls f.
type GotFormatterFunc func(got interface{}) string
// Got implements GotFormatter.
func (f GotFormatterFunc) Got(got interface{}) string {
return f(got)
}
// GotFormatterAdapter attaches a GotFormatter to a Matcher.
func GotFormatterAdapter(s GotFormatter, m Matcher) Matcher {
return struct {
GotFormatter
Matcher
}{
GotFormatter: s,
Matcher: m,
}
}
type anyMatcher struct{}
func (anyMatcher) Matches(interface{}) bool {
return true
}
func (anyMatcher) String() string {
return "is anything"
}
type eqMatcher struct {
x interface{}
}
func (e eqMatcher) Matches(x interface{}) bool {
// In case, some value is nil
if e.x == nil || x == nil {
return reflect.DeepEqual(e.x, x)
}
// Check if types assignable and convert them to common type
x1Val := reflect.ValueOf(e.x)
x2Val := reflect.ValueOf(x)
if x1Val.Type().AssignableTo(x2Val.Type()) {
x1ValConverted := x1Val.Convert(x2Val.Type())
return reflect.DeepEqual(x1ValConverted.Interface(), x2Val.Interface())
}
return false
}
func (e eqMatcher) String() string {
return fmt.Sprintf("is equal to %v (%T)", e.x, e.x)
}
type nilMatcher struct{}
func (nilMatcher) Matches(x interface{}) bool {
if x == nil {
return true
}
v := reflect.ValueOf(x)
switch v.Kind() {
case reflect.Chan, reflect.Func, reflect.Interface, reflect.Map,
reflect.Ptr, reflect.Slice:
return v.IsNil()
}
return false
}
func (nilMatcher) String() string {
return "is nil"
}
type notMatcher struct {
m Matcher
}
func (n notMatcher) Matches(x interface{}) bool {
return !n.m.Matches(x)
}
func (n notMatcher) String() string {
return "not(" + n.m.String() + ")"
}
type assignableToTypeOfMatcher struct {
targetType reflect.Type
}
func (m assignableToTypeOfMatcher) Matches(x interface{}) bool {
return reflect.TypeOf(x).AssignableTo(m.targetType)
}
func (m assignableToTypeOfMatcher) String() string {
return "is assignable to " + m.targetType.Name()
}
type allMatcher struct {
matchers []Matcher
}
func (am allMatcher) Matches(x interface{}) bool {
for _, m := range am.matchers {
if !m.Matches(x) {
return false
}
}
return true
}
func (am allMatcher) String() string {
ss := make([]string, 0, len(am.matchers))
for _, matcher := range am.matchers {
ss = append(ss, matcher.String())
}
return strings.Join(ss, "; ")
}
type lenMatcher struct {
i int
}
func (m lenMatcher) Matches(x interface{}) bool {
v := reflect.ValueOf(x)
switch v.Kind() {
case reflect.Array, reflect.Chan, reflect.Map, reflect.Slice, reflect.String:
return v.Len() == m.i
default:
return false
}
}
func (m lenMatcher) String() string {
return fmt.Sprintf("has length %d", m.i)
}
type inAnyOrderMatcher struct {
x interface{}
}
func (m inAnyOrderMatcher) Matches(x interface{}) bool {
given, ok := m.prepareValue(x)
if !ok {
return false
}
wanted, ok := m.prepareValue(m.x)
if !ok {
return false
}
if given.Len() != wanted.Len() {
return false
}
usedFromGiven := make([]bool, given.Len())
foundFromWanted := make([]bool, wanted.Len())
for i := 0; i < wanted.Len(); i++ {
wantedMatcher := Eq(wanted.Index(i).Interface())
for j := 0; j < given.Len(); j++ {
if usedFromGiven[j] {
continue
}
if wantedMatcher.Matches(given.Index(j).Interface()) {
foundFromWanted[i] = true
usedFromGiven[j] = true
break
}
}
}
missingFromWanted := 0
for _, found := range foundFromWanted {
if !found {
missingFromWanted++
}
}
extraInGiven := 0
for _, used := range usedFromGiven {
if !used {
extraInGiven++
}
}
return extraInGiven == 0 && missingFromWanted == 0
}
func (m inAnyOrderMatcher) prepareValue(x interface{}) (reflect.Value, bool) {
xValue := reflect.ValueOf(x)
switch xValue.Kind() {
case reflect.Slice, reflect.Array:
return xValue, true
default:
return reflect.Value{}, false
}
}
func (m inAnyOrderMatcher) String() string {
return fmt.Sprintf("has the same elements as %v", m.x)
}
// Constructors
// All returns a composite Matcher that returns true if and only all of the
// matchers return true.
func All(ms ...Matcher) Matcher { return allMatcher{ms} }
// Any returns a matcher that always matches.
func Any() Matcher { return anyMatcher{} }
// Eq returns a matcher that matches on equality.
//
// Example usage:
// Eq(5).Matches(5) // returns true
// Eq(5).Matches(4) // returns false
func Eq(x interface{}) Matcher { return eqMatcher{x} }
// Len returns a matcher that matches on length. This matcher returns false if
// is compared to a type that is not an array, chan, map, slice, or string.
func Len(i int) Matcher {
return lenMatcher{i}
}
// Nil returns a matcher that matches if the received value is nil.
//
// Example usage:
// var x *bytes.Buffer
// Nil().Matches(x) // returns true
// x = &bytes.Buffer{}
// Nil().Matches(x) // returns false
func Nil() Matcher { return nilMatcher{} }
// Not reverses the results of its given child matcher.
//
// Example usage:
// Not(Eq(5)).Matches(4) // returns true
// Not(Eq(5)).Matches(5) // returns false
func Not(x interface{}) Matcher {
if m, ok := x.(Matcher); ok {
return notMatcher{m}
}
return notMatcher{Eq(x)}
}
// AssignableToTypeOf is a Matcher that matches if the parameter to the mock
// function is assignable to the type of the parameter to this function.
//
// Example usage:
// var s fmt.Stringer = &bytes.Buffer{}
// AssignableToTypeOf(s).Matches(time.Second) // returns true
// AssignableToTypeOf(s).Matches(99) // returns false
//
// var ctx = reflect.TypeOf((*context.Context)(nil)).Elem()
// AssignableToTypeOf(ctx).Matches(context.Background()) // returns true
func AssignableToTypeOf(x interface{}) Matcher {
if xt, ok := x.(reflect.Type); ok {
return assignableToTypeOfMatcher{xt}
}
return assignableToTypeOfMatcher{reflect.TypeOf(x)}
}
// InAnyOrder is a Matcher that returns true for collections of the same elements ignoring the order.
//
// Example usage:
// InAnyOrder([]int{1, 2, 3}).Matches([]int{1, 3, 2}) // returns true
// InAnyOrder([]int{1, 2, 3}).Matches([]int{1, 2}) // returns false
func InAnyOrder(x interface{}) Matcher {
return inAnyOrderMatcher{x}
}