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|
package gtest
import (
"context"
"errors"
"fmt"
"io/ioutil"
"log"
"os"
"os/exec"
"path"
"sync"
"time"
"golang.flu0r1ne.net/planr"
)
const GTEST_CMAKE = "CMakeLists.txt"
func mkUnit(tc *planr.TestCase) cmakeUnit {
cfg := tc.AdapterConfig().(*GtestConfig)
return cmakeUnit {
tc.Cname,
cfg.joinTests(*cfg.Testfile),
cfg.srcList(),
};
}
type GtestAdapter struct {}
func (a *GtestAdapter) Config() planr.AdapterConfig {
return planr.AdapterConfig {
Name: "gtest",
ParseConfig: ParseConfig,
ParseDefaultConfig: ParseDefaultConfig,
}
}
func (adapter *GtestAdapter) Build(tcs []*planr.TestCase) {
buildDir := adapter.Config().Dir()
cmakeFile := path.Join(buildDir, GTEST_CMAKE)
units := make([]cmakeUnit, 0)
for _, tc := range tcs {
cfg := tc.AdapterConfig().(*GtestConfig)
cfg.ensureSatisfied(tc.Path)
units = append(units, mkUnit(tc))
}
genCmake(cmakeFile, units)
planr.RunCmd("cmake", "-S", ".", "-B", ".")
}
type ResultFromId map[string] Result
func (adapter *GtestAdapter) execTests(cnames []string) ResultFromId {
buildDir := adapter.Config().Dir()
lut := make(ResultFromId, 0)
for _, exe := range cnames {
exePath := path.Join(buildDir, exe)
f, err := ioutil.TempFile(buildDir, "gtest_adapter_*.json")
if err != nil {
log.Fatal(err)
}
ctx, cancel := context.WithTimeout(context.Background(), 9999*time.Millisecond)
cmd := exec.CommandContext(ctx, exePath, "--gtest_output=json:" + f.Name())
defer cancel()
defer os.Remove(f.Name())
out, err := cmd.CombinedOutput()
if err != nil {
var exiterr *exec.ExitError
if !errors.As(err, &exiterr) {
log.Printf("%v\n", err)
os.Exit(exiterr.ExitCode())
}
}
results, err := decodeResults(f)
if err != nil {
log.Printf("Could not collect results from %s: %v", exe, err)
continue
}
for _, r := range results {
r.testOutput = string(out)
lut[exe + "." + r.id] = r
}
}
return lut
}
// An executable may contain more than one test
// Gather all executables and deduplicate them
func exes(tcs []*planr.TestCase) []string {
set := make(map[string] bool, 0)
for _, tc := range tcs {
// Tests which have encountered a failure
// may not have an executable
if tc.Result.Status != planr.PASSING {
continue
}
if(!set[tc.Cname]) {
set[tc.Cname] = true
}
}
exes := make([]string, 0)
for k := range set {
exes = append(exes, k)
}
return exes
}
func id(tc *planr.TestCase) string {
cfg := tc.AdapterConfig().(*GtestConfig)
return tc.Cname + "." + *cfg.Suite + "." + *cfg.Name
}
func compile(wg * sync.WaitGroup, tc *planr.TestCase) {
defer wg.Done()
cmd := exec.Command("make", tc.Cname)
out, err := cmd.CombinedOutput()
tc.Result = new(planr.TestResult)
// Don't treat command failure as anything but a build failure
if err != nil{
var exiterr *exec.ExitError
if errors.As(err, &exiterr) && exiterr.ExitCode() == 0 {
log.Fatal(err)
}
tc.Result.Status = planr.COMPILATION_FAILURE
}
tc.Result.DebugOutput = string(out)
}
// ./planr eval 0.93s user 0.16s system 100% cpu 1.089 total
func (adapter *GtestAdapter) Evaluate(tcs []*planr.TestCase) {
var wg sync.WaitGroup
for _, tc := range tcs {
wg.Add(1)
go compile(&wg, tc)
}
wg.Wait()
files := exes(tcs)
resultById := adapter.execTests(files)
for _, tc := range tcs {
result, ok := resultById[id(tc)]
// compilation failure
if !ok {
fmt.Printf("CAN'T FIND %s: status %d\n", tc.Cname, tc.Result.Status)
if tc.Result.Status == planr.PASSING {
cfg := tc.AdapterConfig().(*GtestConfig)
log.Printf(
"Could not find testcase %s with name=\"%s\" and suite=\"%s\". Does such a test exist in the test source?",
tc.Cname,
*cfg.Name,
*cfg.Suite,
)
tc.Result.Status = planr.COMPILATION_FAILURE
tc.Result.DebugOutput += fmt.Sprintf("planr: Did not find testcase %s in any test executable\n", id(tc))
}
continue
}
if !result.pass {
tc.Result.Status = planr.RUNTIME_FAILURE
}
tc.Result.TestOutput = result.testOutput
}
}
|
