5f2291849d
- Cover typed Publish/Lookup, duplicate providers and HasPlugin - Require missing/cycle errors to name plugin IDs before Boot - Assert greeter works with and without an optional extra
76 lines
2.0 KiB
Go
76 lines
2.0 KiB
Go
package greeter
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import (
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"bytes"
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"context"
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"fmt"
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"io"
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"strings"
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"testing"
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"git.golem15.com/golem15/summercms/backpack"
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"git.golem15.com/golem15/summercms/bonfire"
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"git.golem15.com/golem15/summercms/compass"
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"git.golem15.com/golem15/summercms/pact"
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)
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type testOut struct{ bytes.Buffer }
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func (o *testOut) Write(p []byte) (int, error) { return o.Buffer.Write(p) }
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func (o *testOut) Println(a ...any) { fmt.Fprintln(&o.Buffer, a...) }
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func (o *testOut) Printf(format string, a ...any) {
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fmt.Fprintf(&o.Buffer, format, a...)
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}
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var _ bonfire.Output = (*testOut)(nil)
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var _ io.Writer = (*testOut)(nil)
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type extraMsg struct{ msg string }
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func (e extraMsg) Message() string { return e.msg }
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func TestBootSkipsAbsentOptionalPlugin(t *testing.T) {
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app := backpack.New(&compass.Config{})
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app.SetPlugins([]string{"golem15.hello", "golem15.greeter"})
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p := &Plugin{}
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if err := p.Boot(app); err != nil {
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t.Fatalf("Boot: %v", err)
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}
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out := runHelloCmd(t, p)
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if strings.Contains(out, "hello-from-optional") {
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t.Fatalf("absent optional leaked into output: %q", out)
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}
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if !strings.Contains(out, "extra=") {
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t.Fatalf("output %q should include extra=", out)
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}
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}
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func TestBootUsesPublishedOptionalService(t *testing.T) {
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app := backpack.New(&compass.Config{})
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app.SetPlugins([]string{"golem15.hello", "golem15.greeter", "golem15.optional"})
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if err := app.Publish[pact.OptionalMessage](extraMsg{msg: "hello-from-optional"}); err != nil {
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t.Fatalf("Publish: %v", err)
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}
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p := &Plugin{}
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if err := p.Boot(app); err != nil {
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t.Fatalf("Boot: %v", err)
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}
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out := runHelloCmd(t, p)
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if !strings.Contains(out, "extra=hello-from-optional") {
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t.Fatalf("output = %q, want extra=hello-from-optional", out)
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}
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}
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func runHelloCmd(t *testing.T, p *Plugin) string {
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t.Helper()
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cmds := p.Commands()
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if len(cmds) == 0 {
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t.Fatal("no commands")
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}
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var out testOut
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if err := cmds[0].Run(context.Background(), nil, &out); err != nil {
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t.Fatalf("Run: %v", err)
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}
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return strings.TrimSpace(out.String())
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}
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