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https://github.com/hanzoai/tasks.git
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Chetan GowdaandGitHub
c15f9436be
## What changed? A critical bug was fixed in PR #6538. These are the associated tests to prevent regression. ## Why? Adding tests for a bug fix. ## How did you test it? Reverted the PR locally and ensured the tests catch it. ## Potential risks N/A
78 lines
3.1 KiB
Go
78 lines
3.1 KiB
Go
// The MIT License
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//
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// Copyright (c) 2024 Temporal Technologies Inc. All rights reserved.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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package sqlplugin
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import (
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"errors"
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"testing"
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"time"
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"github.com/jmoiron/sqlx"
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"github.com/stretchr/testify/assert"
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"go.temporal.io/server/common/clock"
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"go.temporal.io/server/common/log"
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"go.temporal.io/server/common/metrics"
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)
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// TestDatabaseHandleReconnect tests the reconnection behavior when there are connection errors.
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func TestDatabaseHandleReconnect(t *testing.T) {
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testCases := []struct {
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msg string // test description
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numRetries int // number of time to try reconnecting
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retryDelay time.Duration // wait time (in this test) before trying to reconnect
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expectedConnectAttempts int // expected number of times a connection attempt is made.
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}{
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{"No retries", 0, 0, 1},
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{"Retry once immediately", 1, 0, 1},
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{"Retry many times immediately", 5, 0, 1},
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{"Retry once after session retry interval", 1, sessionRefreshMinInternal + time.Millisecond, 2},
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{"Retry many times with session retry interval", 5, sessionRefreshMinInternal + time.Millisecond, 6},
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{"Retry many times quickly - but collectively exceeding session retry interval. Expect 2 total attempts", 5, sessionRefreshMinInternal/5 + time.Millisecond, 2},
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}
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needsRefreshFunc := func(_ error) bool { return false }
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for _, tc := range testCases {
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t.Run(tc.msg, func(t *testing.T) {
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actualConnectAttemptCount := 0
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connectFunc := func() (*sqlx.DB, error) {
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actualConnectAttemptCount++
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return nil, errTest
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}
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fakeTimeSource := clock.NewEventTimeSource().Update(time.Now())
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dbHandle := NewDatabaseHandle(connectFunc, needsRefreshFunc, log.NewNoopLogger(), metrics.NoopMetricsHandler, fakeTimeSource)
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assert.NotNil(t, dbHandle)
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for i := 0; i < tc.numRetries; i++ {
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fakeTimeSource.Advance(tc.retryDelay)
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db, err := dbHandle.DB()
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assert.Nil(t, db, tc.msg)
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assert.ErrorIs(t, err, DatabaseUnavailableError)
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}
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assert.Equal(t, tc.expectedConnectAttempts, actualConnectAttemptCount, tc.msg)
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})
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}
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}
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var errTest = errors.New("test")
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