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* Add clock Signed-off-by: Vladimir Popov <vladimir.popov@xored.com> * Add clock tests Signed-off-by: Vladimir Popov <vladimir.popov@xored.com> * Extract clockmock from clock Signed-off-by: Vladimir Popov <vladimir.popov@xored.com>
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Vladimir Popov
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Mar 26, 2021
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,89 @@ | ||
| // Copyright (c) 2021 Doc.ai and/or its affiliates. | ||
| // | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
| // | ||
| // 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. | ||
|
|
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| // Package clock provides tools for accessing time functions | ||
| package clock | ||
|
|
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| import ( | ||
| "context" | ||
| "time" | ||
| ) | ||
|
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| // Clock is an interface for accessing time functions | ||
| type Clock interface { | ||
| Now() time.Time | ||
| Since(t time.Time) time.Duration | ||
| Until(t time.Time) time.Duration | ||
|
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| Sleep(d time.Duration) | ||
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| Timer(d time.Duration) Timer | ||
| After(d time.Duration) <-chan time.Time | ||
| AfterFunc(d time.Duration, f func()) Timer | ||
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| Ticker(d time.Duration) Ticker | ||
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| WithDeadline(parent context.Context, deadline time.Time) (context.Context, context.CancelFunc) | ||
| WithTimeout(parent context.Context, timeout time.Duration) (context.Context, context.CancelFunc) | ||
| } | ||
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| type clockImpl struct{} | ||
|
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| func (c *clockImpl) Now() time.Time { | ||
| return time.Now() | ||
| } | ||
|
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| func (c *clockImpl) Since(t time.Time) time.Duration { | ||
| return time.Since(t) | ||
| } | ||
|
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| func (c *clockImpl) Until(t time.Time) time.Duration { | ||
| return time.Until(t) | ||
| } | ||
|
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| func (c *clockImpl) Sleep(d time.Duration) { | ||
| time.Sleep(d) | ||
| } | ||
|
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| func (c *clockImpl) Timer(d time.Duration) Timer { | ||
| return &realTimer{ | ||
| Timer: time.NewTimer(d), | ||
| } | ||
| } | ||
|
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| func (c *clockImpl) After(d time.Duration) <-chan time.Time { | ||
| return time.After(d) | ||
| } | ||
|
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| func (c *clockImpl) AfterFunc(d time.Duration, f func()) Timer { | ||
| return &realTimer{ | ||
| Timer: time.AfterFunc(d, f), | ||
| } | ||
| } | ||
|
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| func (c *clockImpl) Ticker(d time.Duration) Ticker { | ||
| return &realTicker{ | ||
| Ticker: time.NewTicker(d), | ||
| } | ||
| } | ||
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| func (c *clockImpl) WithDeadline(parent context.Context, deadline time.Time) (context.Context, context.CancelFunc) { | ||
| return context.WithDeadline(parent, deadline) | ||
| } | ||
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| func (c *clockImpl) WithTimeout(parent context.Context, timeout time.Duration) (context.Context, context.CancelFunc) { | ||
| return context.WithTimeout(parent, timeout) | ||
| } |
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| @@ -0,0 +1,45 @@ | ||
| // Copyright (c) 2020-2021 Doc.ai and/or its affiliates. | ||
| // | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
| // | ||
| // 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. | ||
|
|
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| package clock | ||
|
|
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| import ( | ||
| "context" | ||
| ) | ||
|
|
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| const ( | ||
| clockKey contextKeyType = "Clock" | ||
| ) | ||
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| type contextKeyType string | ||
|
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| var clock = new(clockImpl) | ||
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| // WithClock wraps parent in a new context with Clock | ||
| func WithClock(parent context.Context, clock Clock) context.Context { | ||
| if parent == nil { | ||
| panic("cannot create context from nil parent") | ||
| } | ||
| return context.WithValue(parent, clockKey, clock) | ||
| } | ||
|
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| // FromContext returns Clock from context | ||
| func FromContext(ctx context.Context) Clock { | ||
| if rv, ok := ctx.Value(clockKey).(Clock); ok { | ||
| return rv | ||
| } | ||
| return clock | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,36 @@ | ||
| // Copyright (c) 2021 Doc.ai and/or its affiliates. | ||
| // | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
| // | ||
| // 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 clock | ||
|
|
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| import ( | ||
| "time" | ||
| ) | ||
|
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| // Ticker is a time.Ticker interface | ||
| type Ticker interface { | ||
| C() <-chan time.Time | ||
| Stop() | ||
| Reset(d time.Duration) | ||
| } | ||
|
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| type realTicker struct { | ||
| *time.Ticker | ||
| } | ||
|
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| func (t *realTicker) C() <-chan time.Time { | ||
| return t.Ticker.C | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,36 @@ | ||
| // Copyright (c) 2021 Doc.ai and/or its affiliates. | ||
| // | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
| // | ||
| // 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. | ||
|
|
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| package clock | ||
|
|
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| import ( | ||
| "time" | ||
| ) | ||
|
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| // Timer is a time.Timer interface | ||
| type Timer interface { | ||
| C() <-chan time.Time | ||
| Stop() bool | ||
| Reset(d time.Duration) bool | ||
| } | ||
|
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| type realTimer struct { | ||
| *time.Timer | ||
| } | ||
|
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| func (t *realTimer) C() <-chan time.Time { | ||
| return t.Timer.C | ||
| } |
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