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flags_test.go
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flags_test.go
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package loggercheck
import (
"flag"
"io"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestLoggerCheckersFlag(t *testing.T) {
testCases := []struct {
name string
flagValue string
wantError string
want []string
}{
{
name: "empty",
flagValue: "",
want: nil,
},
{
name: "klog",
flagValue: "klog",
want: []string{"klog"},
},
{
name: "klog-and-logr",
flagValue: "logr,klog",
want: []string{"klog", "logr"},
},
{
name: "invalid-logger",
flagValue: "klog,logr,xxx",
wantError: "-ignoredloggers: unknown logger: \"xxx\"",
},
}
for _, tc := range testCases {
tc := tc
t.Run(tc.name, func(t *testing.T) {
t.Parallel()
f := loggerCheckersFlag{}
fs := flag.NewFlagSet("test", flag.ContinueOnError)
fs.SetOutput(io.Discard)
fs.Var(&f, "ignoredloggers", "")
err := fs.Parse([]string{"-ignoredloggers=" + tc.flagValue})
if tc.wantError != "" {
assert.ErrorContains(t, err, tc.wantError)
} else {
require.NoError(t, err)
assert.Equal(t, tc.want, f.List())
}
})
}
}
func TestRuleFileFlag_NoRuleFile(t *testing.T) {
f := ruleFileFlag{}
fs := flag.NewFlagSet("test", flag.ContinueOnError)
fs.SetOutput(io.Discard)
fs.Var(&f, "rulefile", "")
err := fs.Parse([]string{"-rulefile=testdata/xxx-not-exists-xxx.txt"})
assert.ErrorContains(t, err, "open testdata/xxx-not-exists-xxx.txt: no such file or directory")
}
func TestRuleFileFlag_WrongRuleFile(t *testing.T) {
f := ruleFileFlag{}
fs := flag.NewFlagSet("test", flag.ContinueOnError)
fs.SetOutput(io.Discard)
fs.Var(&f, "rulefile", "")
err := fs.Parse([]string{"-rulefile=testdata/wrong-rules.txt"})
assert.ErrorContains(t, err, "error parse rule at line 2: invalid rule format")
}