106 lines
2.2 KiB
Go
106 lines
2.2 KiB
Go
package mcfg
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import (
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"bytes"
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"context"
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"strings"
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. "testing"
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"time"
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"github.com/mediocregopher/mediocre-go-lib/mrand"
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"github.com/mediocregopher/mediocre-go-lib/mtest/mchk"
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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 TestSourceCLIHelp(t *T) {
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ctx := context.Background()
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ctx, _ = WithInt(ctx, "foo", 5, "Test int param ") // trailing space should be trimmed
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ctx, _ = WithBool(ctx, "bar", "Test bool param.")
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ctx, _ = WithString(ctx, "baz", "baz", "Test string param")
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ctx, _ = WithRequiredString(ctx, "baz2", "")
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ctx, _ = WithRequiredString(ctx, "baz3", "")
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src := SourceCLI{}
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buf := new(bytes.Buffer)
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pM, err := src.cliParams(collectParams(ctx))
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require.NoError(t, err)
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SourceCLI{}.printHelp(buf, pM)
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exp := `
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--baz2 (Required)
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--baz3 (Required)
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--bar (Flag)
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Test bool param.
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--baz (Default: "baz")
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Test string param.
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--foo (Default: 5)
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Test int param.
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`
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assert.Equal(t, exp, buf.String())
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}
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func TestSourceCLI(t *T) {
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type state struct {
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srcCommonState
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SourceCLI
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}
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type params struct {
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srcCommonParams
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nonBoolWEq bool // use equal sign when setting value
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}
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chk := mchk.Checker{
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Init: func() mchk.State {
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var s state
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s.srcCommonState = newSrcCommonState()
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s.SourceCLI.Args = make([]string, 0, 16)
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return s
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},
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Next: func(ss mchk.State) mchk.Action {
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s := ss.(state)
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var p params
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p.srcCommonParams = s.srcCommonState.next()
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// if the param is a bool or unset this won't get used, but w/e
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p.nonBoolWEq = mrand.Intn(2) == 0
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return mchk.Action{Params: p}
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},
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Apply: func(ss mchk.State, a mchk.Action) (mchk.State, error) {
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s := ss.(state)
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p := a.Params.(params)
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s.srcCommonState = s.srcCommonState.applyCtxAndPV(p.srcCommonParams)
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if !p.unset {
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arg := cliKeyPrefix
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if len(p.path) > 0 {
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arg += strings.Join(p.path, cliKeyJoin) + cliKeyJoin
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}
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arg += p.name
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if !p.isBool {
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if p.nonBoolWEq {
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arg += "="
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} else {
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s.SourceCLI.Args = append(s.SourceCLI.Args, arg)
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arg = ""
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}
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arg += p.nonBoolVal
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}
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s.SourceCLI.Args = append(s.SourceCLI.Args, arg)
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}
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err := s.srcCommonState.assert(s.SourceCLI)
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return s, err
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},
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}
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if err := chk.RunFor(2 * time.Second); err != nil {
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t.Fatal(err)
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}
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}
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