40 lines
983 B
Go
40 lines
983 B
Go
package buildstep
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import (
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"encoding/json"
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"sync"
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"testing"
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stdio "git.novox.be/novox/mesh-sdk/go"
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)
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// configWatch is a double of stdio.WatchConfig: it hands the value now at the start, as the runtime does, and a test
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// hands each change after with set.
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type configWatch struct {
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mu sync.Mutex
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value string
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handle func(stdio.ProvisionChange) error
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asked string
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}
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func (w *configWatch) watch(key string, handle func(stdio.ProvisionChange) error) error {
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w.mu.Lock()
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w.asked, w.handle = key, handle
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value := w.value
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w.mu.Unlock()
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return handle(stdio.ProvisionChange{Kind: "config", Key: key, Value: json.RawMessage(value)})
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}
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func (w *configWatch) set(t *testing.T, value string) {
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t.Helper()
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w.mu.Lock()
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handle, key := w.handle, w.asked
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w.mu.Unlock()
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if handle == nil {
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t.Fatal("the puller watches no config value")
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}
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if err := handle(stdio.ProvisionChange{Kind: "config", Key: key, Value: json.RawMessage(value)}); err != nil {
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t.Fatal(err)
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}
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}
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