Fixing issue 2602 (#2604)

* fix #2302 test fails for pgr_stoerWagner
* PostgreSQL 11 is no longer supported
* Fixing test
* Updating boost versions to test

.github/workflows/boost_version.yml

@@ -18,10 +18,12 @@ name: Boost supported versions
 # Currently
 # - boost::geometry has not changed anything we use
 #
-# - boost::graph changed on 1.80
-# - boost::graph 1.75 requires C++14
-# - boost::graph changed on 1.68
-# - 1.56 is the minimum version we ask
+# boost::graph
+# - 1.84 is failing its own tests (Jul 2022)
+# - 1.80 changed on 1.80 (Aug 2022)
+# - 1.75 requires C++14 (Dec 2020)
+# - 1.68 changed on 1.68 (Aug 2018)
+# - 1.56 is the minimum version we ask (Aug 2014)
 
 on:
   push:
@@ -65,7 +67,7 @@ jobs:
     strategy:
         fail-fast: false
         matrix:
-          boost_minor: [56, 68, 75]
+          boost_minor: [56, 68, 75, 76, 77, 78, 79, 80, 84]
 
     steps:
       - uses: actions/checkout@v4

.github/workflows/ubuntu.yml

@@ -29,7 +29,7 @@ jobs:
     strategy:
         fail-fast: false
         matrix:
-          psql: [11,12,13,14,15,16]
+          psql: [12,13,14,15,16]
           postgis: [3]
           os: [ubuntu-latest, ubuntu-20.04]
 

pgtap/mincut/stoerWagner/compare_components.pg

@@ -85,6 +85,7 @@ SELECT * FROM pgr_stoerWagner(
   )
   $$
 );
+SELECT set_eq('stoerWagner5', 'stoerWagner6', '5: Mincut of edge 17');
 
 PREPARE stoerWagner7 AS
 SELECT *
@@ -93,8 +94,11 @@ FROM pgr_stoerWagner(
   FROM edges WHERE id < 17 ORDER BY id'
 );
 
-SELECT set_eq('stoerWagner5', 'stoerWagner6', '5: Mincut of edge 17');
-SELECT set_eq('stoerWagner7', 'VALUES (1, 1, 1, 1)', '6: Compare the mincut of subgraph with actual result');
+SELECT CASE WHEN (SELECT boost FROM pgr_full_version()) < '1.80' THEN
+  collect_tap(set_eq('stoerWagner7', 'VALUES (1, 1, 1, 1)', '6: Compare the mincut of subgraph with actual result'))
+ELSE
+  collect_tap(set_eq('stoerWagner7', 'VALUES (1, 14, 1, 1)', '6: Compare the mincut of subgraph with actual result'))
+END CASE;
 
 SELECT * FROM finish();
 ROLLBACK;