wip: migrate to mono-repo. SPN has already been moved to spn/

spn/ships/http_shared_test.go

@@ -0,0 +1,33 @@
+package ships
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestSharedHTTP(t *testing.T) { //nolint:paralleltest // Test checks global state.
+	const testPort = 65100
+
+	// Register multiple handlers.
+	err := addHTTPHandler(testPort, "", ServeInfoPage)
+	assert.NoError(t, err, "should be able to share http listener")
+	err = addHTTPHandler(testPort, "/test", ServeInfoPage)
+	assert.NoError(t, err, "should be able to share http listener")
+	err = addHTTPHandler(testPort, "/test2", ServeInfoPage)
+	assert.NoError(t, err, "should be able to share http listener")
+	err = addHTTPHandler(testPort, "/", ServeInfoPage)
+	assert.Error(t, err, "should fail to register path twice")
+
+	// Unregister
+	assert.NoError(t, removeHTTPHandler(testPort, ""))
+	assert.NoError(t, removeHTTPHandler(testPort, "/test"))
+	assert.NoError(t, removeHTTPHandler(testPort, "/not-registered")) // removing unregistered handler does not error
+	assert.NoError(t, removeHTTPHandler(testPort, "/test2"))
+	assert.NoError(t, removeHTTPHandler(testPort, "/not-registered")) // removing unregistered handler does not error
+
+	// Check if all handlers are gone again.
+	sharedHTTPServersLock.Lock()
+	defer sharedHTTPServersLock.Unlock()
+	assert.Equal(t, 0, len(sharedHTTPServers), "shared http handlers should be back to zero")
+}