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fix: ensure experiments return nil when we want to submit (#654)

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Since https://github.com/ooni/probe-cli/pull/527, if an experiment
returns an error, the corresponding measurement is not submitted since
the semantics of returning an error is that something fundamental
went wrong (e.g., we could not parse the input URL).

This diff ensures that all experiments only return and error when
something fundamental was wrong and return nil otherwise.

Reference issue: https://github.com/ooni/probe/issues/1808.
This commit is contained in:
Simone Basso
2022-01-07 13:17:20 +01:00
committed by GitHub
parent 60a3c372f5
commit 99ec7ffca9
27 changed files with 132 additions and 66 deletions
Download Patch File Download Diff File Expand all files Collapse all files
internal/engine/experiment/stunreachability/stunreachability.go
+2 -2
View File
@@ -22,7 +22,7 @@ import (
const (
testName = "stunreachability"
testVersion = "0.3.0"
testVersion = "0.4.0"
)
// Config contains the experiment config.
@@ -100,7 +100,7 @@ func (m *Measurer) Run(
if err := wrap(tk.run(ctx, m.config, sess, measurement, callbacks, URL.Host)); err != nil {
s := err.Error()
tk.Failure = &s
return err
return nil // we want to submit this measurement
}
return nil
}
internal/engine/experiment/stunreachability/stunreachability_test.go
+5 -5
View File
@@ -24,7 +24,7 @@ func TestMeasurerExperimentNameVersion(t *testing.T) {
if measurer.ExperimentName() != "stunreachability" {
t.Fatal("unexpected ExperimentName")
}
if measurer.ExperimentVersion() != "0.3.0" {
if measurer.ExperimentVersion() != "0.4.0" {
t.Fatal("unexpected ExperimentVersion")
}
}
@@ -128,7 +128,7 @@ func TestCancelledContext(t *testing.T) {
measurement,
model.NewPrinterCallbacks(log.Log),
)
if !errors.Is(err, context.Canceled) {
if !errors.Is(err, nil) { // nil because we want to submit
t.Fatal("not the error we expected", err)
}
tk := measurement.TestKeys.(*TestKeys)
@@ -168,7 +168,7 @@ func TestNewClientFailure(t *testing.T) {
measurement,
model.NewPrinterCallbacks(log.Log),
)
if !errors.Is(err, expected) {
if !errors.Is(err, nil) { // nil because we want to submit
t.Fatal("not the error we expected")
}
tk := measurement.TestKeys.(*TestKeys)
@@ -202,7 +202,7 @@ func TestStartFailure(t *testing.T) {
measurement,
model.NewPrinterCallbacks(log.Log),
)
if !errors.Is(err, expected) {
if !errors.Is(err, nil) { // nil because we want to submit
t.Fatal("not the error we expected")
}
tk := measurement.TestKeys.(*TestKeys)
@@ -240,7 +240,7 @@ func TestReadFailure(t *testing.T) {
measurement,
model.NewPrinterCallbacks(log.Log),
)
if !errors.Is(err, stun.ErrTransactionTimeOut) {
if !errors.Is(err, nil) { // nil because we want to submit
t.Fatal("not the error we expected")
}
tk := measurement.TestKeys.(*TestKeys)