From 45a010390bcb5fdf0190ca83a91ce9c57a5a458b Mon Sep 17 00:00:00 2001
From: AleksandrMatsko <AMatsko54@gmail.com>
Date: Wed, 13 Nov 2024 16:34:46 +0700
Subject: [PATCH] fix: add check for equality of fetched teams and renamed
 teams

---
 cmd/cli/teams_names.go | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/cmd/cli/teams_names.go b/cmd/cli/teams_names.go
index 6592d4539..a0cb27a4e 100644
--- a/cmd/cli/teams_names.go
+++ b/cmd/cli/teams_names.go
@@ -3,6 +3,7 @@ package main
 import (
 	"context"
 	"encoding/json"
+	"errors"
 	"fmt"
 	"strconv"
 	"strings"
@@ -17,6 +18,9 @@ const (
 	teamsByNamesKey = "moira-teams-by-names"
 )
 
+var errTeamsCountAndUniqueNamesCountMismatch = errors.New(
+	"count of teams does not match count of unique names after transformation")
+
 // fillTeamNamesHash does the following
 //  1. Get all teams from DB.
 //  2. Group teams with same names.
@@ -46,6 +50,10 @@ func fillTeamNamesHash(logger moira.Logger, database moira.Database) error {
 
 		teamByUniqueName := transformTeamsByNameMap(teamsByNameMap)
 
+		if len(teamByUniqueName) != len(teamsMap) {
+			return errTeamsCountAndUniqueNamesCountMismatch
+		}
+
 		client := db.Client()
 		ctx := db.Context()