FIX: Search by topic_id should not be restricted by SiteSetting.min_search_term_length.

app/controllers/search_controller.rb

@@ -52,7 +52,8 @@ class SearchController < ApplicationController
     search_args[:include_blurbs] = params[:include_blurbs] == "true" if params[:include_blurbs].present?
     search_args[:search_for_id] = true                               if params[:search_for_id].present?
 
-    context,type = lookup_search_context
+    context, type = lookup_search_context
+
     if context
       search_args[:search_context] = context
       search_args[:type_filter] = type if type

lib/search.rb

@@ -201,7 +201,6 @@ class Search
 
   # Query a term
   def execute
-
     if SiteSetting.log_search_queries?
       status, search_log_id = SearchLog.log(
         term: @term,
@@ -212,7 +211,7 @@ class Search
       @results.search_log_id = search_log_id unless status == :error
     end
 
-    unless @filters.present?
+    unless @filters.present? || @opts[:search_for_id]
       min_length = @opts[:min_search_term_length] || SiteSetting.min_search_term_length
       terms = (@term || '').split(/\s(?=(?:[^"]|"[^"]*")*$)/).reject {|t| t.length < min_length }
 

spec/controllers/search_controller_spec.rb

@@ -37,9 +37,30 @@ describe SearchController do
       expect(data['users'][0]['id']).to eq(user.id)
     end
 
-    it "can search for id" do
+    context 'searching by topic id' do
+      it 'should not be restricted by minimum search term length' do
+        SiteSetting.min_search_term_length = 20000
+
+        post = Fabricate(:post)
+
+        xhr(
+          :get,
+          :query,
+          term: post.topic_id,
+          type_filter: 'topic',
+          search_for_id: true
+        )
+
+        expect(response).to be_success
+        data = JSON.parse(response.body)
+
+        expect(data['topics'][0]['id']).to eq(post.topic_id)
+      end
+
+      it "should return the right result" do
         user = Fabricate(:user)
         my_post = Fabricate(:post, raw: "#{user.username} is a cool person")
+
         xhr(
           :get,
           :query,
@@ -47,17 +68,14 @@ describe SearchController do
           type_filter: 'topic',
           search_for_id: true
         )
+
         expect(response).to be_success
         data = JSON.parse(response.body)
-      unless (data && data['topics'] && data['topics'][0] && data['topics'][0]['id'])
+
-        puts "FLAKY TEST"
-        p data
-        p my_post.topic
-        p my_post
-      end
         expect(data['topics'][0]['id']).to eq(my_post.topic_id)
       end
     end
+  end
 
   context "#query" do
     it "logs the search term" do