test: refactored tests

.github/workflows/01-golang-lint.yaml

@@ -0,0 +1,24 @@
+name: golangci-lint
+on:
+  push:
+    tags:
+      - v*
+    branches:
+      - master
+      - main
+  pull_request:
+permissions:
+  contents: read
+jobs:
+  golangci:
+    name: lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/setup-go@v4
+        with:
+          go-version: stable
+      - uses: actions/checkout@v3
+      - name: golangci-lint
+        uses: golangci/golangci-lint-action@v3
+        with:
+          version: latest

.golangci.yml

@@ -0,0 +1,39 @@
+linters-settings:
+  govet:
+    check-shadowing: true
+  maligned:
+    suggest-new: true
+  dupl:
+    threshold: 200
+  goconst:
+    min-len: 3
+    min-occurrences: 2
+  #forbidigo:
+  #  forbid:
+  #    - ^print.*$
+  #    - 'fmt\.Print.*'
+  gocognit:
+    min-complexity: 61 # This is a rather high value. We should gradually lower it to 30-40.
+
+linters:
+  enable:
+    - gofmt
+    - goimports
+    - bodyclose
+    - dupl
+    - gocognit
+    - gocritic
+    - goimports
+    - gosec
+    - nakedret
+     #- nolintlint
+    - revive
+    - stylecheck
+    - unconvert
+    - unparam
+  disable:
+    - forbidigo
+    - maligned
+    - lll
+    - gochecknoinits
+    - gochecknoglobals