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package memlimit
import (
"fmt"
"os"
"reflect"
"testing"
)
func TestParseExperiments(t *testing.T) {
tests := []struct {
name string
env string
want Experiments
wantErr error
}{
{
name: "empty",
env: "",
want: Experiments{},
},
{
name: "unknown",
env: "unknown",
want: Experiments{},
wantErr: fmt.Errorf("unknown AUTOMEMLIMIT_EXPERIMENT unknown"),
},
{
name: "none",
env: "none",
want: Experiments{},
},
{
name: "none - with other",
env: "system,none",
want: Experiments{},
},
{
name: "system",
env: "system",
want: Experiments{
System: true,
},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
exp, ok := os.LookupEnv(envAUTOMEMLIMIT_EXPERIMENT)
t.Cleanup(func() {
if ok {
os.Setenv(envAUTOMEMLIMIT_EXPERIMENT, exp)
} else {
os.Unsetenv(envAUTOMEMLIMIT_EXPERIMENT)
}
})
os.Setenv("AUTOMEMLIMIT_EXPERIMENT", tt.env)
exps, err := parseExperiments()
if !reflect.DeepEqual(exps, tt.want) {
t.Errorf("experiments= %#v, want %#v", exps, tt.want)
}
if !reflect.DeepEqual(err, tt.wantErr) {
t.Errorf("err = %#v, want %#v", err, tt.wantErr)
}
})
}
}
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