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features: print warning for stable/depreacted feature flags

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This commit is contained in:
Michael Eischer
2024-02-17 21:50:25 +01:00
parent fe68d2cafb
commit a9b64cd7ad
4 changed files with 35 additions and 17 deletions
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34
internal/feature/features_test.go
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@@ -56,9 +56,13 @@ func TestFeatureDefaults(t *testing.T) {
}
}
func panicIfCalled(msg string) {
panic(msg)
}
func TestEmptyApply(t *testing.T) {
flags := buildTestFlagSet()
rtest.OK(t, flags.Apply(""))
rtest.OK(t, flags.Apply("", panicIfCalled))
rtest.Assert(t, !flags.Enabled(alpha), "expected alpha feature to be disabled")
rtest.Assert(t, flags.Enabled(beta), "expected beta feature to be enabled")
@@ -66,29 +70,37 @@ func TestEmptyApply(t *testing.T) {
func TestFeatureApply(t *testing.T) {
flags := buildTestFlagSet()
rtest.OK(t, flags.Apply(string(alpha)))
rtest.OK(t, flags.Apply(string(alpha), panicIfCalled))
rtest.Assert(t, flags.Enabled(alpha), "expected alpha feature to be enabled")
rtest.OK(t, flags.Apply(fmt.Sprintf("%s=false", alpha)))
rtest.OK(t, flags.Apply(fmt.Sprintf("%s=false", alpha), panicIfCalled))
rtest.Assert(t, !flags.Enabled(alpha), "expected alpha feature to be disabled")
rtest.OK(t, flags.Apply(fmt.Sprintf("%s=true", alpha)))
rtest.OK(t, flags.Apply(fmt.Sprintf("%s=true", alpha), panicIfCalled))
rtest.Assert(t, flags.Enabled(alpha), "expected alpha feature to be enabled again")
rtest.OK(t, flags.Apply(fmt.Sprintf("%s=false", beta)))
rtest.OK(t, flags.Apply(fmt.Sprintf("%s=false", beta), panicIfCalled))
rtest.Assert(t, !flags.Enabled(beta), "expected beta feature to be disabled")
rtest.OK(t, flags.Apply(fmt.Sprintf("%s=false", stable)))
rtest.Assert(t, flags.Enabled(stable), "expected stable feature to remain enabled")
logMsg := ""
log := func(msg string) {
logMsg = msg
}
rtest.OK(t, flags.Apply(fmt.Sprintf("%s=true", deprecated)))
rtest.OK(t, flags.Apply(fmt.Sprintf("%s=false", stable), log))
rtest.Assert(t, flags.Enabled(stable), "expected stable feature to remain enabled")
rtest.Assert(t, strings.Contains(logMsg, string(stable)), "unexpected log message for stable flag: %v", logMsg)
logMsg = ""
rtest.OK(t, flags.Apply(fmt.Sprintf("%s=true", deprecated), log))
rtest.Assert(t, !flags.Enabled(deprecated), "expected deprecated feature to remain disabled")
rtest.Assert(t, strings.Contains(logMsg, string(deprecated)), "unexpected log message for deprecated flag: %v", logMsg)
}
func TestFeatureMultipleApply(t *testing.T) {
flags := buildTestFlagSet()
rtest.OK(t, flags.Apply(fmt.Sprintf("%s=true,%s=false", alpha, beta)))
rtest.OK(t, flags.Apply(fmt.Sprintf("%s=true,%s=false", alpha, beta), panicIfCalled))
rtest.Assert(t, flags.Enabled(alpha), "expected alpha feature to be enabled")
rtest.Assert(t, !flags.Enabled(beta), "expected beta feature to be disabled")
}
@@ -96,10 +108,10 @@ func TestFeatureMultipleApply(t *testing.T) {
func TestFeatureApplyInvalid(t *testing.T) {
flags := buildTestFlagSet()
err := flags.Apply("invalid-flag")
err := flags.Apply("invalid-flag", panicIfCalled)
rtest.Assert(t, err != nil && strings.Contains(err.Error(), "unknown feature flag"), "expected unknown feature flag error, got: %v", err)
err = flags.Apply(fmt.Sprintf("%v=invalid", alpha))
err = flags.Apply(fmt.Sprintf("%v=invalid", alpha), panicIfCalled)
rtest.Assert(t, err != nil && strings.Contains(err.Error(), "failed to parse value"), "expected parsing error, got: %v", err)
}