From 27b8f57fd8c7e8b1279b483128edbdcc9723be49 Mon Sep 17 00:00:00 2001
From: Go MAEDA <maeda@farend.jp>
Date: Wed, 5 Apr 2023 13:52:53 +0000
Subject: [PATCH] Fix a bug the "doesn't contain" operator returns no issues if
 the search finds no issues (#38402).

Patch by Holger Just.


git-svn-id: https://svn.redmine.org/redmine/trunk@22168 e93f8b46-1217-0410-a6f0-8f06a7374b81
---
 app/models/issue_query.rb |  2 +-
 test/unit/query_test.rb   | 49 +++++++++++++++++++++++++++++++++++++--
 2 files changed, 48 insertions(+), 3 deletions(-)

diff --git a/app/models/issue_query.rb b/app/models/issue_query.rb
index 1c60c6b61..e45548121 100644
--- a/app/models/issue_query.rb
+++ b/app/models/issue_query.rb
@@ -799,7 +799,7 @@ class IssueQuery < Query
       sw = operator == '!~' ? 'NOT' : ''
       "#{Issue.table_name}.id #{sw} IN (#{ids.join(',')})"
     else
-      '1=0'
+      operator == '!~' ? '1=1' : '1=0'
     end
   end
 
diff --git a/test/unit/query_test.rb b/test/unit/query_test.rb
index 2b02a1e07..2bbf91198 100644
--- a/test/unit/query_test.rb
+++ b/test/unit/query_test.rb
@@ -844,7 +844,7 @@ class QueryTest < ActiveSupport::TestCase
     assert_equal [1, 3], find_issues_with_query(query).map(&:id).sort
   end
 
-  def test_fileter_any_searchable
+  def test_filter_any_searchable
     User.current = User.find(1)
     query = IssueQuery.new(
       :name => '_',
@@ -859,7 +859,52 @@ class QueryTest < ActiveSupport::TestCase
     assert_equal [1, 2, 3], result.map(&:id).sort
   end
 
-  def test_fileter_any_searchable_should_search_searchable_custom_fields
+  def test_filter_any_searchable_no_matches
+    User.current = User.find(1)
+    query = IssueQuery.new(
+      :name => '_',
+      :filters => {
+        'any_searchable' => {
+          :operator => '~',
+          :values => ['SomethingThatDoesNotExist']
+        }
+      }
+    )
+    result = find_issues_with_query(query)
+    assert_empty result.map(&:id)
+  end
+
+  def test_filter_any_searchable_negative
+    User.current = User.find(1)
+    query = IssueQuery.new(
+      :name => '_',
+      :filters => {
+        'any_searchable' => {
+          :operator => '!~',
+          :values => ['recipe']
+        }
+      }
+    )
+    result = find_issues_with_query(query)
+    assert_not_includes [1, 2, 3], result.map(&:id)
+  end
+
+  def test_filter_any_searchable_negative_no_matches
+    User.current = User.find(1)
+    query = IssueQuery.new(
+      :name => '_',
+      :filters => {
+        'any_searchable' => {
+          :operator => '!~',
+          :values => ['SomethingThatDoesNotExist']
+        }
+      }
+    )
+    result = find_issues_with_query(query)
+    assert_not_empty result.map(&:id)
+  end
+
+  def test_filter_any_searchable_should_search_searchable_custom_fields
     User.current = User.find(1)
     query = IssueQuery.new(
       :name => '_',