mirror of
https://github.com/AdguardTeam/AdGuardHome.git
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97 lines
1.9 KiB
Go
97 lines
1.9 KiB
Go
package aghos
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import (
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"bytes"
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"testing"
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"github.com/AdguardTeam/golibs/ioutil"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func TestLargestLabeled(t *testing.T) {
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const (
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comm = `command-name`
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nl = "\n"
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)
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testCases := []struct {
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name string
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data []byte
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wantPID int
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wantInstNum int
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}{{
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name: "success",
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data: []byte(nl +
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` 123 not-a-` + comm + nl +
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` 321 ` + comm + nl,
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),
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wantPID: 321,
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wantInstNum: 1,
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}, {
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name: "several",
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data: []byte(nl +
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`1 ` + comm + nl +
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`5 /` + comm + nl +
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`2 /some/path/` + comm + nl +
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`4 ./` + comm + nl +
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`3 ` + comm + nl +
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`10 .` + comm + nl,
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),
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wantPID: 5,
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wantInstNum: 5,
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}, {
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name: "no_any",
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data: []byte(nl +
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`1 ` + `not-a-` + comm + nl +
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`2 ` + `not-a-` + comm + nl +
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`3 ` + `not-a-` + comm + nl,
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),
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wantPID: 0,
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wantInstNum: 0,
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}, {
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name: "weird_input",
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data: []byte(nl +
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`abc ` + comm + nl +
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`-1 ` + comm + nl,
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),
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wantPID: 0,
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wantInstNum: 0,
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}}
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for _, tc := range testCases {
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r := bytes.NewReader(tc.data)
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t.Run(tc.name, func(t *testing.T) {
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pid, instNum, err := parsePSOutput(r, comm, nil)
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require.NoError(t, err)
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assert.Equal(t, tc.wantPID, pid)
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assert.Equal(t, tc.wantInstNum, instNum)
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})
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}
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t.Run("scanner_fail", func(t *testing.T) {
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lr := ioutil.LimitReader(bytes.NewReader([]byte{1, 2, 3}), 0)
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target := &ioutil.LimitError{}
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_, _, err := parsePSOutput(lr, "", nil)
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require.ErrorAs(t, err, &target)
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assert.EqualValues(t, 0, target.Limit)
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})
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t.Run("ignore", func(t *testing.T) {
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r := bytes.NewReader([]byte(nl +
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`1 ` + comm + nl +
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`2 ` + comm + nl +
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`3` + comm + nl,
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))
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pid, instances, err := parsePSOutput(r, comm, []int{1, 3})
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require.NoError(t, err)
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assert.Equal(t, 2, pid)
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assert.Equal(t, 1, instances)
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})
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}
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