mirror of
https://github.com/rclone/rclone.git
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2e21c58e6a
This is done by making fs.Config private and attaching it to the context instead. The Config should be obtained with fs.GetConfig and fs.AddConfig should be used to get a new mutable config that can be changed.
414 lines
10 KiB
Go
414 lines
10 KiB
Go
// Run a test
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package main
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import (
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"bytes"
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"context"
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"fmt"
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"go/build"
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"io"
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"log"
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"os"
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"os/exec"
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"path"
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"regexp"
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"runtime"
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"sort"
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"strconv"
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"strings"
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"sync"
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"time"
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"github.com/rclone/rclone/fs"
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"github.com/rclone/rclone/fstest/testserver"
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)
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// Control concurrency per backend if required
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var (
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oneOnlyMu sync.Mutex
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oneOnly = map[string]*sync.Mutex{}
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)
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// Run holds info about a running test
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//
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// A run just runs one command line, but it can be run multiple times
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// if retries are needed.
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type Run struct {
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// Config
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Remote string // name of the test remote
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Backend string // name of the backend
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Path string // path to the source directory
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FastList bool // add -fast-list to tests
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Short bool // add -short
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NoRetries bool // don't retry if set
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OneOnly bool // only run test for this backend at once
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NoBinary bool // set to not build a binary
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SizeLimit int64 // maximum test file size
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Ignore map[string]struct{}
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ListRetries int // -list-retries if > 0
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// Internals
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CmdLine []string
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CmdString string
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Try int
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err error
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output []byte
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FailedTests []string
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RunFlag string
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LogDir string // directory to place the logs
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TrialName string // name/log file name of current trial
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TrialNames []string // list of all the trials
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}
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// Runs records multiple Run objects
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type Runs []*Run
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// Sort interface
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func (rs Runs) Len() int { return len(rs) }
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func (rs Runs) Swap(i, j int) { rs[i], rs[j] = rs[j], rs[i] }
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func (rs Runs) Less(i, j int) bool {
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a, b := rs[i], rs[j]
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if a.Backend < b.Backend {
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return true
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} else if a.Backend > b.Backend {
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return false
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}
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if a.Remote < b.Remote {
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return true
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} else if a.Remote > b.Remote {
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return false
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}
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if a.Path < b.Path {
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return true
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} else if a.Path > b.Path {
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return false
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}
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if !a.FastList && b.FastList {
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return true
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} else if a.FastList && !b.FastList {
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return false
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}
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return false
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}
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// dumpOutput prints the error output
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func (r *Run) dumpOutput() {
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log.Println("------------------------------------------------------------")
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log.Printf("---- %q ----", r.CmdString)
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log.Println(string(r.output))
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log.Println("------------------------------------------------------------")
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}
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// This converts a slice of test names into a regexp which matches
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// them.
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func testsToRegexp(tests []string) string {
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var split []map[string]struct{}
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// Make a slice with maps of the used parts at each level
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for _, test := range tests {
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for i, name := range strings.Split(test, "/") {
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if i >= len(split) {
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split = append(split, make(map[string]struct{}))
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}
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split[i][name] = struct{}{}
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}
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}
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var out []string
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for _, level := range split {
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var testsInLevel = []string{}
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for name := range level {
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testsInLevel = append(testsInLevel, name)
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}
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sort.Strings(testsInLevel)
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if len(testsInLevel) > 1 {
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out = append(out, "^("+strings.Join(testsInLevel, "|")+")$")
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} else {
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out = append(out, "^"+testsInLevel[0]+"$")
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}
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}
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return strings.Join(out, "/")
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}
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var failRe = regexp.MustCompile(`(?m)^\s*--- FAIL: (Test.*?) \(`)
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// findFailures looks for all the tests which failed
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func (r *Run) findFailures() {
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oldFailedTests := r.FailedTests
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r.FailedTests = nil
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excludeParents := map[string]struct{}{}
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ignored := 0
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for _, matches := range failRe.FindAllSubmatch(r.output, -1) {
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failedTest := string(matches[1])
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// Skip any ignored failures
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if _, found := r.Ignore[failedTest]; found {
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ignored++
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} else {
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r.FailedTests = append(r.FailedTests, failedTest)
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}
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// Find all the parents of this test
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parts := strings.Split(failedTest, "/")
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for i := len(parts) - 1; i >= 1; i-- {
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excludeParents[strings.Join(parts[:i], "/")] = struct{}{}
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}
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}
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// Exclude the parents
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var newTests = r.FailedTests[:0]
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for _, failedTest := range r.FailedTests {
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if _, excluded := excludeParents[failedTest]; !excluded {
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newTests = append(newTests, failedTest)
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}
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}
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r.FailedTests = newTests
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if len(r.FailedTests) == 0 && ignored > 0 {
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log.Printf("%q - Found %d ignored errors only - marking as good", r.CmdString, ignored)
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r.err = nil
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r.dumpOutput()
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return
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}
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if len(r.FailedTests) != 0 {
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r.RunFlag = testsToRegexp(r.FailedTests)
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} else {
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r.RunFlag = ""
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}
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if r.passed() && len(r.FailedTests) != 0 {
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log.Printf("%q - Expecting no errors but got: %v", r.CmdString, r.FailedTests)
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r.dumpOutput()
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} else if !r.passed() && len(r.FailedTests) == 0 {
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log.Printf("%q - Expecting errors but got none: %v", r.CmdString, r.FailedTests)
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r.dumpOutput()
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r.FailedTests = oldFailedTests
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}
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}
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// nextCmdLine returns the next command line
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func (r *Run) nextCmdLine() []string {
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CmdLine := r.CmdLine
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if r.RunFlag != "" {
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CmdLine = append(CmdLine, "-test.run", r.RunFlag)
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}
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return CmdLine
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}
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// trial runs a single test
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func (r *Run) trial() {
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CmdLine := r.nextCmdLine()
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CmdString := toShell(CmdLine)
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msg := fmt.Sprintf("%q - Starting (try %d/%d)", CmdString, r.Try, *maxTries)
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log.Println(msg)
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logName := path.Join(r.LogDir, r.TrialName)
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out, err := os.Create(logName)
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if err != nil {
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log.Fatalf("Couldn't create log file: %v", err)
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}
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defer func() {
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err := out.Close()
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if err != nil {
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log.Fatalf("Failed to close log file: %v", err)
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}
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}()
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_, _ = fmt.Fprintln(out, msg)
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// Early exit if --try-run
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if *dryRun {
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log.Printf("Not executing as --dry-run: %v", CmdLine)
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_, _ = fmt.Fprintln(out, "--dry-run is set - not running")
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return
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}
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// Start the test server if required
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finish, err := testserver.Start(r.Remote)
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if err != nil {
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log.Printf("%s: Failed to start test server: %v", r.Remote, err)
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_, _ = fmt.Fprintf(out, "%s: Failed to start test server: %v\n", r.Remote, err)
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r.err = err
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return
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}
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defer finish()
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// Internal buffer
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var b bytes.Buffer
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multiOut := io.MultiWriter(out, &b)
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cmd := exec.Command(CmdLine[0], CmdLine[1:]...)
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cmd.Stderr = multiOut
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cmd.Stdout = multiOut
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cmd.Dir = r.Path
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start := time.Now()
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r.err = cmd.Run()
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r.output = b.Bytes()
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duration := time.Since(start)
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r.findFailures()
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if r.passed() {
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msg = fmt.Sprintf("%q - Finished OK in %v (try %d/%d)", CmdString, duration, r.Try, *maxTries)
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} else {
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msg = fmt.Sprintf("%q - Finished ERROR in %v (try %d/%d): %v: Failed %v", CmdString, duration, r.Try, *maxTries, r.err, r.FailedTests)
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}
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log.Println(msg)
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_, _ = fmt.Fprintln(out, msg)
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}
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// passed returns true if the test passed
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func (r *Run) passed() bool {
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return r.err == nil
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}
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// GOPATH returns the current GOPATH
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func GOPATH() string {
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gopath := os.Getenv("GOPATH")
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if gopath == "" {
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gopath = build.Default.GOPATH
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}
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return gopath
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}
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// BinaryName turns a package name into a binary name
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func (r *Run) BinaryName() string {
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binary := path.Base(r.Path) + ".test"
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if runtime.GOOS == "windows" {
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binary += ".exe"
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}
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return binary
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}
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// BinaryPath turns a package name into a binary path
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func (r *Run) BinaryPath() string {
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return path.Join(r.Path, r.BinaryName())
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}
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// PackagePath returns the path to the package
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func (r *Run) PackagePath() string {
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return path.Join(GOPATH(), "src", r.Path)
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}
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// MakeTestBinary makes the binary we will run
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func (r *Run) MakeTestBinary() {
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binary := r.BinaryPath()
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binaryName := r.BinaryName()
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log.Printf("%s: Making test binary %q", r.Path, binaryName)
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CmdLine := []string{"go", "test", "-c"}
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if *dryRun {
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log.Printf("Not executing: %v", CmdLine)
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return
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}
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cmd := exec.Command(CmdLine[0], CmdLine[1:]...)
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cmd.Dir = r.Path
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err := cmd.Run()
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if err != nil {
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log.Fatalf("Failed to make test binary: %v", err)
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}
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if _, err := os.Stat(binary); err != nil {
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log.Fatalf("Couldn't find test binary %q", binary)
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}
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}
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// RemoveTestBinary removes the binary made in makeTestBinary
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func (r *Run) RemoveTestBinary() {
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if *dryRun {
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return
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}
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binary := r.BinaryPath()
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err := os.Remove(binary) // Delete the binary when finished
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if err != nil {
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log.Printf("Error removing test binary %q: %v", binary, err)
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}
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}
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// Name returns the run name as a file name friendly string
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func (r *Run) Name() string {
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ns := []string{
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r.Backend,
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strings.Replace(r.Path, "/", ".", -1),
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r.Remote,
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}
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if r.FastList {
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ns = append(ns, "fastlist")
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}
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ns = append(ns, fmt.Sprintf("%d", r.Try))
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s := strings.Join(ns, "-")
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s = strings.Replace(s, ":", "", -1)
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return s
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}
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// Init the Run
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func (r *Run) Init() {
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prefix := "-test."
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if r.NoBinary {
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prefix = "-"
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r.CmdLine = []string{"go", "test"}
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} else {
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r.CmdLine = []string{"./" + r.BinaryName()}
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}
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r.CmdLine = append(r.CmdLine, prefix+"v", prefix+"timeout", timeout.String(), "-remote", r.Remote)
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listRetries := *listRetries
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if r.ListRetries > 0 {
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listRetries = r.ListRetries
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}
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if listRetries > 0 {
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r.CmdLine = append(r.CmdLine, "-list-retries", fmt.Sprint(listRetries))
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}
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r.Try = 1
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ci := fs.GetConfig(context.Background())
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if *verbose {
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r.CmdLine = append(r.CmdLine, "-verbose")
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ci.LogLevel = fs.LogLevelDebug
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}
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if *runOnly != "" {
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r.CmdLine = append(r.CmdLine, prefix+"run", *runOnly)
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}
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if r.FastList {
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r.CmdLine = append(r.CmdLine, "-fast-list")
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}
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if r.Short {
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r.CmdLine = append(r.CmdLine, "-short")
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}
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if r.SizeLimit > 0 {
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r.CmdLine = append(r.CmdLine, "-size-limit", strconv.FormatInt(r.SizeLimit, 10))
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}
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r.CmdString = toShell(r.CmdLine)
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}
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// Logs returns all the log names
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func (r *Run) Logs() []string {
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return r.TrialNames
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}
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// FailedTestsCSV returns the failed tests as a comma separated string, limiting the number
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func (r *Run) FailedTestsCSV() string {
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const maxTests = 5
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ts := r.FailedTests
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if len(ts) > maxTests {
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ts = ts[:maxTests:maxTests]
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ts = append(ts, fmt.Sprintf("… (%d more)", len(r.FailedTests)-maxTests))
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}
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return strings.Join(ts, ", ")
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}
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// Run runs all the trials for this test
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func (r *Run) Run(LogDir string, result chan<- *Run) {
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if r.OneOnly {
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oneOnlyMu.Lock()
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mu := oneOnly[r.Backend]
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if mu == nil {
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mu = new(sync.Mutex)
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oneOnly[r.Backend] = mu
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}
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oneOnlyMu.Unlock()
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mu.Lock()
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defer mu.Unlock()
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}
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r.Init()
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r.LogDir = LogDir
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for r.Try = 1; r.Try <= *maxTries; r.Try++ {
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r.TrialName = r.Name() + ".txt"
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r.TrialNames = append(r.TrialNames, r.TrialName)
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log.Printf("Starting run with log %q", r.TrialName)
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r.trial()
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if r.passed() || r.NoRetries {
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break
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}
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}
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if !r.passed() {
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r.dumpOutput()
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}
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result <- r
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}
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