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Refactor cmd tests to use testify.

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Signed-off-by: Paweł Szulik <paul.szulik@gmail.com>
This commit is contained in:
Paweł Szulik 2021-09-02 17:54:19 +02:00 committed by Bryan Boreham
parent 5961f78186
commit d5eb636a89
3 changed files with 27 additions and 42 deletions
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41
cmd/prometheus/main_test.go
View file

@ -126,12 +126,9 @@ func TestFailedStartupExitCode(t *testing.T) {
require.Error(t, err)
var exitError *exec.ExitError
if errors.As(err, &exitError) {
status := exitError.Sys().(syscall.WaitStatus)
require.Equal(t, expectedExitStatus, status.ExitStatus())
} else {
t.Errorf("unable to retrieve the exit status for prometheus: %v", err)
}
require.ErrorAs(t, err, &exitError)
status := exitError.Sys().(syscall.WaitStatus)
require.Equal(t, expectedExitStatus, status.ExitStatus())
}
type senderFunc func(alerts ...*notifier.Alert)
@ -194,9 +191,7 @@ func TestSendAlerts(t *testing.T) {
tc := tc
t.Run(fmt.Sprintf("%d", i), func(t *testing.T) {
senderFunc := senderFunc(func(alerts ...*notifier.Alert) {
if len(tc.in) == 0 {
t.Fatalf("sender called with 0 alert")
}
require.NotEmpty(t, tc.in, "sender called with 0 alert")
require.Equal(t, tc.exp, alerts)
})
rules.SendAlerts(senderFunc, "http://localhost:9090")(context.TODO(), "up", tc.in...)
@ -228,7 +223,7 @@ func TestWALSegmentSizeBounds(t *testing.T) {
go func() { done <- prom.Wait() }()
select {
case err := <-done:
t.Errorf("prometheus should be still running: %v", err)
require.Fail(t, "prometheus should be still running: %v", err)
case <-time.After(startupTime):
prom.Process.Kill()
<-done
@ -239,12 +234,9 @@ func TestWALSegmentSizeBounds(t *testing.T) {
err = prom.Wait()
require.Error(t, err)
var exitError *exec.ExitError
if errors.As(err, &exitError) {
status := exitError.Sys().(syscall.WaitStatus)
require.Equal(t, expectedExitStatus, status.ExitStatus())
} else {
t.Errorf("unable to retrieve the exit status for prometheus: %v", err)
}
require.ErrorAs(t, err, &exitError)
status := exitError.Sys().(syscall.WaitStatus)
require.Equal(t, expectedExitStatus, status.ExitStatus())
}
}
@ -274,7 +266,7 @@ func TestMaxBlockChunkSegmentSizeBounds(t *testing.T) {
go func() { done <- prom.Wait() }()
select {
case err := <-done:
t.Errorf("prometheus should be still running: %v", err)
require.Fail(t, "prometheus should be still running: %v", err)
case <-time.After(startupTime):
prom.Process.Kill()
<-done
@ -285,12 +277,9 @@ func TestMaxBlockChunkSegmentSizeBounds(t *testing.T) {
err = prom.Wait()
require.Error(t, err)
var exitError *exec.ExitError
if errors.As(err, &exitError) {
status := exitError.Sys().(syscall.WaitStatus)
require.Equal(t, expectedExitStatus, status.ExitStatus())
} else {
t.Errorf("unable to retrieve the exit status for prometheus: %v", err)
}
require.ErrorAs(t, err, &exitError)
status := exitError.Sys().(syscall.WaitStatus)
require.Equal(t, expectedExitStatus, status.ExitStatus())
}
}
@ -347,10 +336,8 @@ func getCurrentGaugeValuesFor(t *testing.T, reg prometheus.Gatherer, metricNames
}
require.Len(t, g.GetMetric(), 1)
if _, ok := res[m]; ok {
t.Error("expected only one metric family for", m)
t.FailNow()
}
_, ok := res[m]
require.False(t, ok, "expected only one metric family for", m)
res[m] = *g.GetMetric()[0].GetGauge().Value
}
}

21
cmd/prometheus/main_unix_test.go
View file

@ -23,6 +23,8 @@ import (
"testing"
"time"
"github.com/stretchr/testify/require"
"github.com/prometheus/prometheus/util/testutil"
)
@ -37,9 +39,7 @@ func TestStartupInterrupt(t *testing.T) {
prom := exec.Command(promPath, "-test.main", "--config.file="+promConfig, "--storage.tsdb.path="+t.TempDir(), "--web.listen-address=0.0.0.0"+port)
err := prom.Start()
if err != nil {
t.Fatalf("execution error: %v", err)
}
require.NoError(t, err)
done := make(chan error, 1)
go func() {
@ -68,14 +68,11 @@ Loop:
time.Sleep(500 * time.Millisecond)
}
if !startedOk {
t.Fatal("prometheus didn't start in the specified timeout")
}
switch err := prom.Process.Kill(); {
case err == nil:
t.Errorf("prometheus didn't shutdown gracefully after sending the Interrupt signal")
case stoppedErr != nil && stoppedErr.Error() != "signal: interrupt":
// TODO: find a better way to detect when the process didn't exit as expected!
t.Errorf("prometheus exited with an unexpected error: %v", stoppedErr)
require.True(t, startedOk, "prometheus didn't start in the specified timeout")
err = prom.Process.Kill()
require.Error(t, err, "prometheus didn't shutdown gracefully after sending the Interrupt signal")
// TODO - find a better way to detect when the process didn't exit as expected!
if stoppedErr != nil {
require.EqualError(t, stoppedErr, "signal: interrupt", "prometheus exited with an unexpected error: %v", stoppedErr)
}
}

7
cmd/promtool/unittest_test.go
View file

@ -16,6 +16,8 @@ package main
import (
"testing"
"github.com/stretchr/testify/require"
"github.com/prometheus/prometheus/promql"
)
@ -178,9 +180,8 @@ func TestRulesUnitTestRun(t *testing.T) {
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if got := RulesUnitTest(tt.queryOpts, tt.args.run, false, tt.args.files...); got != tt.want {
t.Errorf("RulesUnitTest() = %v, want %v", got, tt.want)
}
got := RulesUnitTest(tt.queryOpts, tt.args.run, false, tt.args.files...)
require.Equal(t, tt.want, got)
})
}
}