chore: add codacy test coverage reporting

.github/pre-commit

@@ -0,0 +1,2 @@
+#!/bin/sh
+make pre-commit

.github/workflows/coverage-report.yaml

@@ -0,0 +1,23 @@
+name: Coverage Report
+
+on:
+  - push
+  - pull_request
+
+jobs:
+  TestAndReport:
+    runs-on: ubuntu-20.04
+    steps:
+      - name: Set up Go
+        uses: actions/setup-go@v3
+        with:
+          go-version: 1.18.x
+      - uses: actions/checkout@v3.0.0
+      - name: Test
+        run: |
+          go test ./... -coverprofile coverage.out
+      - name: Report
+        env:
+          CODACY_PROJECT_TOKEN: ${{ secrets.CODACY_PROJECT_TOKEN }}
+        run: |
+          bash <(curl -Ls https://coverage.codacy.com/get.sh) report -r coverage.out --force-coverage-parser go

.gitignore

@@ -1,3 +1,4 @@
 release/
 bin/
 .idea/
+coverage.out

Makefile

@@ -2,4 +2,8 @@ build:
 	CGO_ENABLE=0 go build -ldflags "-w -s" -o bin/mde
 copy: build
 	cp bin/mde /usr/local/bin
-
+test:
+	go test ./...
+cp-pre-commit:
+	cp .github/pre-commit .git/hooks/
+pre-commit: test

README.md

@@ -1,3 +1,6 @@
+[![Codacy Badge](https://app.codacy.com/project/badge/Grade/5022a74d146f487581821fd1c3435437)](https://www.codacy.com/gh/LinuxSuRen/md-exec/dashboard?utm_source=github.com&utm_medium=referral&utm_content=LinuxSuRen/md-exec&utm_campaign=Badge_Grade)
+[![Codacy Badge](https://app.codacy.com/project/badge/Coverage/5022a74d146f487581821fd1c3435437)](https://www.codacy.com/gh/LinuxSuRen/md-exec/dashboard?utm_source=github.com&utm_medium=referral&utm_content=LinuxSuRen/md-exec&utm_campaign=Badge_Coverage)
+
 ## Usage
 `md-exec` could exec the commands in the Markdown files.
 For instance, it will execute those commands which in Markdown block via `mde README.md`

cli/root.go

@@ -1,3 +1,4 @@
+// Package cli provides all the commands
 package cli
 
 import (
@@ -17,6 +18,7 @@ import (
 // should be inject during the build process
 var version string
 
+// NewRootCommand returns the instance of cobra.Command
 func NewRootCommand() (cmd *cobra.Command) {
 	opt := &option{}
 	cmd = &cobra.Command{

main.go

@@ -1,3 +1,4 @@
+// Package main is the entrypoint of this CLI project
 package main
 
 import (