Add GitHub CI

.github/workflows/ci.yaml

@@ -0,0 +1,28 @@
+name: CI
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: stable
+
+      - name: Install dependencies
+        run: go get .
+
+      - name: Formatting
+        run: if [ "$(gofmt -s -l . | wc -l)" -gt 0 ]; then gofmt -s -l .;  exit 1; fi
+
+      - name: Run tests
+        run: make test

Makefile

@@ -1,7 +1,5 @@
 BIN_DIR=bin
 DIST_DIR=dist
-CMD_DIR=cmd
-CSV_DIR=csv
 EXECUTABLE=gocsv
 
 .DEFAULT_GOAL := bin
@@ -11,8 +9,7 @@ dist:
 	bash scripts/build-dist.sh
 
 test:
-	cd $(CMD_DIR) && go test -cover
-	cd $(CSV_DIR) && go test -cover
+	go test -cover ./...
 
 bin:
 	bash scripts/build-bin.sh

cmd/split_test.go

@@ -25,6 +25,12 @@ func TestSplit(t *testing.T) {
 	if input.Name != "input.csv" {
 		t.Fatalf("got first file %s; want input.csv", input.Name)
 	}
+	currentDir, err := os.Getwd()
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer os.Chdir(currentDir)
+	defer os.RemoveAll(tempdir)
 	// need to change dir to test that calling split without
 	// a basename works
 	os.Chdir(tempdir)