Feat/head failure toggle (#928)

* feat: make head pull failure warning toggleable

* expect prometheus tests to go through EVENTUALLY

* wait for queue to be empty before checking test conditions

* clean up new head failure toggle

* fixup! clean up new head failure toggle

* test: add warn on head failure tests

* fix client interface and make tests hit more lines

* make all tests use NewClient instead of creating a struct pointer

* fix lint issues

* see if moving ubuntu out of the matrix solves test issue

Co-authored-by: nils måsén <nils@piksel.se>

.github/workflows/pull-request.yml

@@ -33,7 +33,6 @@ jobs:
         go-version:
           - 1.15.x
         platform:
-          - ubuntu-latest
           - macos-latest
           - windows-latest
     runs-on: ${{ matrix.platform }}
@@ -53,7 +52,26 @@ jobs:
         uses: codecov/codecov-action@v1
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
-
+  test-ubuntu:
+    name: Test (Ubuntu)
+    runs-on: ubuntu-latest
+    needs: test
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+      - name: Set up Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: 1.15.x
+      - name: Run tests
+        run: |
+          go test -v -coverprofile coverage.out -covermode atomic ./...
+      - name: Publish coverage
+        uses: codecov/codecov-action@v1
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
   build:
     name: Build
     runs-on: ubuntu-latest

pkg/metrics/metrics.go

@@ -29,6 +29,11 @@ func (metrics *Metrics) QueueIsEmpty() bool {
 	return len(metrics.channel) == 0
 }
 
+// QueueIsEmpty checks whether any messages are enqueued in the channel
+func (metrics *Metrics) QueueIsEmpty() bool {
+	return len(metrics.channel) == 0
+}
+
 // Register registers metrics for an executed scan
 func (metrics *Metrics) Register(metric *Metric) {
 	metrics.channel <- metric