💚循環的複雑度のテストを追加いたしましたわ♻️ #65 (#69)

* 循環的複雑度のテストを追加

* add CI

.github/workflows/test.yml

@@ -47,6 +47,16 @@ jobs:
       - run: go test -cover ./...
       - run: ./ojosama README.adoc
 
+  cyclomatic-complexity:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-go@v3
+        with:
+          go-version: ${{ env.goversion }}
+      - run: make setup-tools
+      - run: ./scripts/test_cyclomatic_complexity.sh
+
   coverage:
     runs-on: ubuntu-latest
     steps:

Makefile

@@ -8,7 +8,12 @@ bin/ojosama: go.* *.go cmd/* internal/*
 .PHONY: test
 test:
 	go test -cover ./...
+	which gocyclo && ./scripts/test_cyclomatic_complexity.sh
 
 .PHONY: install
 install: go.* *.go cmd/* internal/*
 	go install ./cmd/ojosama
+
+.PHONY: setup-tools
+setup-tools:
+	go install github.com/fzipp/gocyclo/cmd/[email protected]

scripts/test_cyclomatic_complexity.sh

@@ -0,0 +1,36 @@
+#!/bin/bash
+
+set -eu
+
+err() {
+  echo "[ERR] $*" >&2
+}
+
+info() {
+  echo "[INF] $*"
+}
+
+script_err() {
+  err "failed the cyclomatic complexity test"
+}
+
+if ! which gocyclo > /dev/null; then
+  err "please install gocyclo (https://github.com/fzipp/gocyclo)"
+  script_err
+  exit 1
+fi
+
+gocyclo . | awk '21<=$1' > result.txt
+err_count="$(wc -l < result.txt)"
+if [[ 0 -lt "$err_count" ]]; then
+  err "the cyclomatic complexity is 21 or higher. please fix those funcitons"
+  err "---------------------------------------------------------------------"
+  cat result.txt >&2
+  err "---------------------------------------------------------------------"
+  script_err
+  rm result.txt
+  exit 1
+fi
+
+rm result.txt
+info "passed the cyclomatic complexity test"