package main

import (
	"os"
	"testing"
)

// The health check passes only between the agent saying it takes work and its next start (novox/hq
// issue 544).
func TestTheAgentIsReadyOnlyOnceItTakesWork(t *testing.T) {
	t.Setenv("TMPDIR", t.TempDir())
	if err := ready(); err == nil {
		t.Fatal("an agent that never took work is ready")
	}
	taking("mesh-build-machine")
	if err := ready(); err != nil {
		t.Fatalf("an agent taking work is not ready: %v", err)
	}
	// Started again, it is not ready until it binds again.
	if err := notReady(); err != nil {
		t.Fatal(err)
	}
	if err := ready(); err == nil {
		t.Fatal("an agent starting again is ready before it takes work")
	}
	if err := notReady(); err != nil {
		t.Fatalf("removing a mark that is not there failed: %v", err)
	}
	if _, err := os.Stat(readyMark()); err == nil {
		t.Fatal("the mark is still there")
	}
}