ci: move tests from circleci to gha

.github/workflows/ci.yml

@@ -0,0 +1,76 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - main
+      - master
+    tags:
+      - v*
+  pull_request:
+
+permissions:
+  contents: read
+
+jobs:
+  test:
+    name: Unit Tests
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1
+        with:
+          persist-credentials: false
+
+      - name: Install Go
+        uses: actions/setup-go@40f1582b2485089dde7abd97c1529aa768e1baff # v5.6.0
+        with:
+          go-version: "1.24"
+          cache: false
+
+      - name: Run tests
+        run: make test
+
+  integration:
+    name: Integration Tests (Postgres ${{ matrix.postgres_version }})
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        postgres_version:
+          - "14"
+          - "15"
+          - "16"
+          - "17"
+
+    services:
+      postgres:
+        image: postgres:${{ matrix.postgres_version }}
+        env:
+          POSTGRES_DB: circle_test
+          POSTGRES_USER: postgres
+          POSTGRES_PASSWORD: test
+        ports:
+          - 5432:5432
+        options: >-
+          --health-cmd pg_isready
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 5
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1
+        with:
+          persist-credentials: false
+
+      - name: Install Go
+        uses: actions/setup-go@40f1582b2485089dde7abd97c1529aa768e1baff # v5.6.0
+        with:
+          go-version: "1.24"
+          cache: false
+
+      - name: Run integration tests
+        env:
+          DATA_SOURCE_NAME: "postgresql://postgres:test@localhost:5432/circle_test?sslmode=disable"
+        run: go test -v -tags integration ./...

.promu.yml

@@ -1,5 +1,4 @@
 go:
-    # This must match .circle/config.yml.
     version: 1.24
 repository:
     path: github.com/prometheus-community/postgres_exporter

cmd/postgres_exporter/postgres_exporter_integration_test.go

@@ -20,6 +20,7 @@
 package main
 
 import (
+	"context"
 	"fmt"
 	"os"
 	"strings"
@@ -67,17 +68,17 @@ func (s *IntegrationSuite) TestAllNamespacesReturnResults(c *C) {
 		c.Assert(err, IsNil)
 
 		// Do a version update
-		err = s.e.checkMapVersions(ch, server)
+		err = s.e.checkMapVersions(context.Background(), ch, server)
 		c.Assert(err, IsNil)
 
-		err = querySettings(ch, server)
+		err = querySettings(context.Background(), ch, server)
 		if !c.Check(err, Equals, nil) {
 			fmt.Println("## ERRORS FOUND")
 			fmt.Println(err)
 		}
 
 		// This should never happen in our test cases.
-		errMap := queryNamespaceMappings(ch, server)
+		errMap := queryNamespaceMappings(context.Background(), ch, server)
 		if !c.Check(len(errMap), Equals, 0) {
 			fmt.Println("## NAMESPACE ERRORS FOUND")
 			for namespace, err := range errMap {
@@ -102,12 +103,12 @@ func (s *IntegrationSuite) TestInvalidDsnDoesntCrash(c *C) {
 	// Send a bad DSN
 	exporter := NewExporter([]string{"invalid dsn"})
 	c.Assert(exporter, NotNil)
-	exporter.scrape(ch)
+	exporter.scrape(context.Background(), ch)
 
 	// Send a DSN to a non-listening port.
 	exporter = NewExporter([]string{"postgresql://nothing:nothing@127.0.0.1:1/nothing"})
 	c.Assert(exporter, NotNil)
-	exporter.scrape(ch)
+	exporter.scrape(context.Background(), ch)
 }
 
 // TestUnknownMetricParsingDoesntCrash deliberately deletes all the column maps out
@@ -138,7 +139,7 @@ func (s *IntegrationSuite) TestUnknownMetricParsingDoesntCrash(c *C) {
 	exporter.builtinMetricMaps = emptyMaps
 
 	// scrape the exporter and make sure it works
-	exporter.scrape(ch)
+	exporter.scrape(context.Background(), ch)
 }
 
 // TestExtendQueriesDoesntCrash tests that specifying extend.query-path doesn't
@@ -161,7 +162,7 @@ func (s *IntegrationSuite) TestExtendQueriesDoesntCrash(c *C) {
 	c.Assert(exporter, NotNil)
 
 	// scrape the exporter and make sure it works
-	exporter.scrape(ch)
+	exporter.scrape(context.Background(), ch)
 }
 
 func (s *IntegrationSuite) TestAutoDiscoverDatabases(c *C) {

collector/pg_shared_preload_libraries_test.go

@@ -99,6 +99,9 @@ func TestPGSharedPreloadLibrariesCollectorEmpty(t *testing.T) {
 			convey.So(expect, convey.ShouldResemble, m)
 		}
 	})
+	// Drain channel to wait for collector goroutine to finish
+	for range ch {
+	}
 	if err := mock.ExpectationsWereMet(); err != nil {
 		t.Errorf("there were unfulfilled expectations: %s", err)
 	}