Use staticcheck GitHub Action (#563)

.github/workflows/test.yml

@@ -29,13 +29,13 @@ jobs:
       - name: Run gofmt
         run: gofmt -d -e . 2>&1 | tee outfile && test -z "$(cat outfile)" && rm outfile
       - name: Run staticcheck
-        if: matrix.go-version == '1.17.x'
-        run: |
-          bin/staticcheck_linux_amd64_2021.1.2 github.com/cucumber/godog
-          bin/staticcheck_linux_amd64_2021.1.2 github.com/cucumber/godog/cmd/godog
-          # Disable for now because of failing checks
-          # TODO: Add back in when fixes are made
-          # bin/staticcheck_linux_amd64_2021.1.2 ./...
+        if: matrix.go-version == '1.20.x'
+        uses: dominikh/staticcheck-action@v1.3.0
+        with:
+          version: "2023.1.3"
+          install-go: false
+          cache-key: ${{ matrix.go }}
+
       - name: Run go vet
         run: |
           go vet ./...

internal/formatters/fmt_base.go

@@ -164,13 +164,13 @@ func (f *Base) Summary() {
 	if totalSc == 0 {
 		fmt.Fprintln(f.out, "No scenarios")
 	} else {
-		fmt.Fprintln(f.out, fmt.Sprintf("%d scenarios (%s)", totalSc, strings.Join(scenarios, ", ")))
+		fmt.Fprintf(f.out, "%d scenarios (%s)\n", totalSc, strings.Join(scenarios, ", "))
 	}
 
 	if totalSt == 0 {
 		fmt.Fprintln(f.out, "No steps")
 	} else {
-		fmt.Fprintln(f.out, fmt.Sprintf("%d steps (%s)", totalSt, strings.Join(steps, ", ")))
+		fmt.Fprintf(f.out, "%d steps (%s)\n", totalSt, strings.Join(steps, ", "))
 	}
 
 	elapsedString := elapsed.String()

internal/formatters/fmt_color_tag_test.go

@@ -51,34 +51,6 @@ const (
 	ansiForegroundCyan    = "36"
 	ansiForegroundWhite   = "37"
 	ansiForegroundDefault = "39"
-
-	ansiBackgroundBlack   = "40"
-	ansiBackgroundRed     = "41"
-	ansiBackgroundGreen   = "42"
-	ansiBackgroundYellow  = "43"
-	ansiBackgroundBlue    = "44"
-	ansiBackgroundMagenta = "45"
-	ansiBackgroundCyan    = "46"
-	ansiBackgroundWhite   = "47"
-	ansiBackgroundDefault = "49"
-
-	ansiLightForegroundGray    = "90"
-	ansiLightForegroundRed     = "91"
-	ansiLightForegroundGreen   = "92"
-	ansiLightForegroundYellow  = "93"
-	ansiLightForegroundBlue    = "94"
-	ansiLightForegroundMagenta = "95"
-	ansiLightForegroundCyan    = "96"
-	ansiLightForegroundWhite   = "97"
-
-	ansiLightBackgroundGray    = "100"
-	ansiLightBackgroundRed     = "101"
-	ansiLightBackgroundGreen   = "102"
-	ansiLightBackgroundYellow  = "103"
-	ansiLightBackgroundBlue    = "104"
-	ansiLightBackgroundMagenta = "105"
-	ansiLightBackgroundCyan    = "106"
-	ansiLightBackgroundWhite   = "107"
 )
 
 var colorMap = map[string]string{
@@ -93,10 +65,6 @@ var colorMap = map[string]string{
 	ansiForegroundDefault: "",
 }
 
-func (cw *tagColorWriter) flushBuffer() (int, error) {
-	return cw.flushTo(cw.w)
-}
-
 func (cw *tagColorWriter) resetBuffer() (int, error) {
 	return cw.flushTo(nil)
 }
@@ -147,7 +115,6 @@ func (cw *tagColorWriter) Write(p []byte) (int, error) {
 			switch ch {
 			case firstCsiChar:
 				cw.paramStartBuf.WriteByte(ch)
-				break
 			case secondeCsiChar:
 				cw.paramStartBuf.WriteByte(ch)
 				cw.state = secondCsiCode

internal/formatters/fmt_multi.go

@@ -15,9 +15,8 @@ type MultiFormatter struct {
 }
 
 type formatter struct {
-	fmt   formatters.FormatterFunc
-	out   io.Writer
-	close bool
+	fmt formatters.FormatterFunc
+	out io.Writer
 }
 
 type repeater []formatters.Formatter

internal/formatters/undefined_snippets_gen.go

@@ -11,10 +11,10 @@ import (
 )
 
 // some snippet formatting regexps
-var snippetExprCleanup = regexp.MustCompile("([\\/\\[\\]\\(\\)\\\\^\\$\\.\\|\\?\\*\\+\\'])")
-var snippetExprQuoted = regexp.MustCompile("(\\W|^)\"(?:[^\"]*)\"(\\W|$)")
-var snippetMethodName = regexp.MustCompile("[^a-zA-Z\\_\\ ]")
-var snippetNumbers = regexp.MustCompile("(\\d+)")
+var snippetExprCleanup = regexp.MustCompile(`([\/\[\]\(\)\\^\$\.\|\?\*\+\'])`)
+var snippetExprQuoted = regexp.MustCompile(`(\W|^)"(?:[^"]*)"(\W|$)`)
+var snippetMethodName = regexp.MustCompile(`[^a-zA-Z\_\ ]`)
+var snippetNumbers = regexp.MustCompile(`(\d+)`)
 
 var snippetHelperFuncs = template.FuncMap{
 	"backticked": func(s string) string {

internal/models/stepdef_test.go

@@ -16,13 +16,15 @@ import (
 	messages "github.com/cucumber/messages/go/v21"
 )
 
+type ctxKey string
+
 func TestShouldSupportContext(t *testing.T) {
-	ctx := context.WithValue(context.Background(), "original", 123)
+	ctx := context.WithValue(context.Background(), ctxKey("original"), 123)
 
 	fn := func(ctx context.Context, a int64, b int32, c int16, d int8) context.Context {
-		assert.Equal(t, 123, ctx.Value("original"))
+		assert.Equal(t, 123, ctx.Value(ctxKey("original")))
 
-		return context.WithValue(ctx, "updated", 321)
+		return context.WithValue(ctx, ctxKey("updated"), 321)
 	}
 
 	def := &models.StepDefinition{
@@ -35,17 +37,18 @@ func TestShouldSupportContext(t *testing.T) {
 	def.Args = []interface{}{"1", "1", "1", "1"}
 	ctx, err := def.Run(ctx)
 	assert.Nil(t, err)
-	assert.Equal(t, 123, ctx.Value("original"))
-	assert.Equal(t, 321, ctx.Value("updated"))
+	assert.Equal(t, 123, ctx.Value(ctxKey("original")))
+	assert.Equal(t, 321, ctx.Value(ctxKey("updated")))
 }
 
 func TestShouldSupportContextAndError(t *testing.T) {
-	ctx := context.WithValue(context.Background(), "original", 123)
+
+	ctx := context.WithValue(context.Background(), ctxKey("original"), 123)
 
 	fn := func(ctx context.Context, a int64, b int32, c int16, d int8) (context.Context, error) {
-		assert.Equal(t, 123, ctx.Value("original"))
+		assert.Equal(t, 123, ctx.Value(ctxKey("original")))
 
-		return context.WithValue(ctx, "updated", 321), nil
+		return context.WithValue(ctx, ctxKey("updated"), 321), nil
 	}
 
 	def := &models.StepDefinition{
@@ -58,8 +61,8 @@ func TestShouldSupportContextAndError(t *testing.T) {
 	def.Args = []interface{}{"1", "1", "1", "1"}
 	ctx, err := def.Run(ctx)
 	assert.Nil(t, err)
-	assert.Equal(t, 123, ctx.Value("original"))
-	assert.Equal(t, 321, ctx.Value("updated"))
+	assert.Equal(t, 123, ctx.Value(ctxKey("original")))
+	assert.Equal(t, 321, ctx.Value(ctxKey("updated")))
 }
 
 func TestShouldSupportEmptyHandlerReturn(t *testing.T) {
@@ -374,7 +377,7 @@ func TestStepDefinition_Run_StringConversionToFunctionType(t *testing.T) {
 // }
 
 type testStruct struct {
-	a string
+	_ string
 }
 
 func TestShouldSupportDocStringToStringConversion(t *testing.T) {

internal/storage/storage.go

@@ -303,7 +303,7 @@ func (s *Storage) mustFirst(table, index string, args ...interface{}) interface{
 	if err != nil {
 		panic(err)
 	} else if v == nil {
-		err = fmt.Errorf("Couldn't find index: %q in table: %q with args: %+v", index, table, args)
+		err = fmt.Errorf("couldn't find index: %q in table: %q with args: %+v", index, table, args)
 		panic(err)
 	}