ci: enable testifylint linter

.golangci.yml

@@ -22,6 +22,7 @@ linters:
     - nakedret
     - nolintlint
     - staticcheck
+    - testifylint
     - typecheck
     - unconvert
     - unparam
@@ -71,3 +72,11 @@ issues:
   # golangci hides some golint warnings (the warning about exported things
   # withtout documentation for example), this will make it show them anyway.
   exclude-use-default: false
+  # Maximum issues count per one linter.
+  # Set to 0 to disable.
+  # Default: 50
+  max-issues-per-linter: 0
+  # Maximum count of issues with the same text.
+  # Set to 0 to disable.
+  # Default: 3
+  max-same-issues: 0

cmd/compose/ps_test.go

@@ -27,6 +27,7 @@ import (
 	"github.com/docker/compose/v2/pkg/api"
 	"github.com/docker/compose/v2/pkg/mocks"
 	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
 	"go.uber.org/mock/gomock"
 )
 
@@ -74,13 +75,13 @@ func TestPsTable(t *testing.T) {
 	cli.EXPECT().Out().Return(stdout).AnyTimes()
 	cli.EXPECT().ConfigFile().Return(&configfile.ConfigFile{}).AnyTimes()
 	err = runPs(ctx, cli, backend, nil, opts)
-	assert.NoError(t, err)
+	require.NoError(t, err)
 
 	_, err = f.Seek(0, 0)
-	assert.NoError(t, err)
+	require.NoError(t, err)
 
 	output, err := os.ReadFile(out)
-	assert.NoError(t, err)
+	require.NoError(t, err)
 
 	assert.Contains(t, string(output), "8080/tcp, 8443/tcp")
 }

cmd/compose/viz_test.go

@@ -21,6 +21,7 @@ import (
 	"testing"
 
 	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
 )
 
 func TestPreferredIndentationStr(t *testing.T) {
@@ -83,7 +84,8 @@ func TestPreferredIndentationStr(t *testing.T) {
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
 			got, err := preferredIndentationStr(tt.args.size, tt.args.useSpace)
-			if tt.wantErr && assert.NotNilf(t, err, fmt.Sprintf("preferredIndentationStr(%v, %v)", tt.args.size, tt.args.useSpace)) {
+			if tt.wantErr {
+				require.Errorf(t, err, fmt.Sprintf("preferredIndentationStr(%v, %v)", tt.args.size, tt.args.useSpace))
 				return
 			}
 			assert.Equalf(t, tt.want, got, "preferredIndentationStr(%v, %v)", tt.args.size, tt.args.useSpace)

pkg/compose/logs_test.go

@@ -28,7 +28,6 @@ import (
 	containerType "github.com/docker/docker/api/types/container"
 	"github.com/docker/docker/api/types/filters"
 	"github.com/docker/docker/pkg/stdcopy"
-	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 	"go.uber.org/mock/gomock"
 
@@ -72,9 +71,9 @@ func TestComposeService_Logs_Demux(t *testing.T) {
 	c1Stderr := stdcopy.NewStdWriter(c1Writer, stdcopy.Stderr)
 	go func() {
 		_, err := c1Stdout.Write([]byte("hello stdout\n"))
-		assert.NoError(t, err, "Writing to fake stdout")
+		require.NoError(t, err, "Writing to fake stdout")
 		_, err = c1Stderr.Write([]byte("hello stderr\n"))
-		assert.NoError(t, err, "Writing to fake stderr")
+		require.NoError(t, err, "Writing to fake stderr")
 		_ = c1Writer.Close()
 	}()
 	api.EXPECT().ContainerLogs(anyCancellableContext(), "c", gomock.Any()).

pkg/compose/viz_test.go

@@ -23,6 +23,7 @@ import (
 
 	"github.com/compose-spec/compose-go/v2/types"
 	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
 	"go.uber.org/mock/gomock"
 
 	compose "github.com/docker/compose/v2/pkg/api"
@@ -128,7 +129,7 @@ func TestViz(t *testing.T) {
 			IncludeImageName: false,
 			IncludeNetworks:  false,
 		})
-		assert.NoError(t, err, "viz command failed")
+		require.NoError(t, err, "viz command failed")
 
 		// check indentation
 		assert.Contains(t, graphStr, "\n  ", graphStr)
@@ -187,7 +188,7 @@ func TestViz(t *testing.T) {
 			IncludeImageName: true,
 			IncludeNetworks:  true,
 		})
-		assert.NoError(t, err, "viz command failed")
+		require.NoError(t, err, "viz command failed")
 
 		// check indentation
 		assert.Contains(t, graphStr, "\n\t", graphStr)

pkg/e2e/ps_test.go

@@ -33,18 +33,17 @@ func TestPs(t *testing.T) {
 	const projectName = "e2e-ps"
 
 	res := c.RunDockerComposeCmd(t, "-f", "./fixtures/ps-test/compose.yaml", "--project-name", projectName, "up", "-d")
-	if assert.NoError(t, res.Error) {
-		t.Cleanup(func() {
-			_ = c.RunDockerComposeCmd(t, "--project-name", projectName, "down")
-		})
-	}
+	require.NoError(t, res.Error)
+	t.Cleanup(func() {
+		_ = c.RunDockerComposeCmd(t, "--project-name", projectName, "down")
+	})
 
 	assert.Contains(t, res.Combined(), "Container e2e-ps-busybox-1  Started", res.Combined())
 
 	t.Run("table", func(t *testing.T) {
 		res = c.RunDockerComposeCmd(t, "-f", "./fixtures/ps-test/compose.yaml", "--project-name", projectName, "ps")
 		lines := strings.Split(res.Stdout(), "\n")
-		assert.Equal(t, 4, len(lines))
+		assert.Len(t, lines, 4)
 		count := 0
 		for _, line := range lines[1:3] {
 			if strings.Contains(line, "e2e-ps-busybox-1") {
@@ -77,12 +76,12 @@ func TestPs(t *testing.T) {
 		}
 
 		count := 0
-		assert.Equal(t, 2, len(output))
+		assert.Len(t, output, 2)
 		for _, service := range output {
 			assert.Equal(t, projectName, service.Project)
 			publishers := service.Publishers
 			if service.Name == "e2e-ps-busybox-1" {
-				assert.Equal(t, 1, len(publishers))
+				assert.Len(t, publishers, 1)
 				assert.Equal(t, api.PortPublishers{
 					{
 						URL:           "127.0.0.1",
@@ -94,7 +93,7 @@ func TestPs(t *testing.T) {
 				count++
 			}
 			if service.Name == "e2e-ps-nginx-1" {
-				assert.Equal(t, 3, len(publishers))
+				assert.Len(t, publishers, 3)
 				assert.Equal(t, api.PortPublishers{
 					{TargetPort: 80, Protocol: "tcp"},
 					{TargetPort: 443, Protocol: "tcp"},
@@ -109,20 +108,20 @@ func TestPs(t *testing.T) {
 
 	t.Run("ps --all", func(t *testing.T) {
 		res := c.RunDockerComposeCmd(t, "--project-name", projectName, "stop")
-		assert.NoError(t, res.Error)
+		require.NoError(t, res.Error)
 
 		res = c.RunDockerComposeCmd(t, "-f", "./fixtures/ps-test/compose.yaml", "--project-name", projectName, "ps")
 		lines := strings.Split(res.Stdout(), "\n")
-		assert.Equal(t, 2, len(lines))
+		assert.Len(t, lines, 2)
 
 		res = c.RunDockerComposeCmd(t, "-f", "./fixtures/ps-test/compose.yaml", "--project-name", projectName, "ps", "--all")
 		lines = strings.Split(res.Stdout(), "\n")
-		assert.Equal(t, 4, len(lines))
+		assert.Len(t, lines, 4)
 	})
 
 	t.Run("ps unknown", func(t *testing.T) {
 		res := c.RunDockerComposeCmd(t, "--project-name", projectName, "stop")
-		assert.NoError(t, res.Error)
+		require.NoError(t, res.Error)
 
 		res = c.RunDockerComposeCmd(t, "-f", "./fixtures/ps-test/compose.yaml", "--project-name", projectName, "ps", "nginx")
 		res.Assert(t, icmd.Success)

pkg/watch/ephemeral_test.go

@@ -19,6 +19,7 @@ import (
 	"testing"
 
 	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
 
 	"github.com/docker/compose/v2/pkg/watch"
 )
@@ -36,14 +37,12 @@ func TestEphemeralPathMatcher(t *testing.T) {
 	matcher := watch.EphemeralPathMatcher()
 	for _, p := range ignored {
 		ok, err := matcher.Matches(p)
-		if assert.NoErrorf(t, err, "Matching %s", p) {
-			assert.Truef(t, ok, "Path %s should have matched", p)
-		}
+		require.NoErrorf(t, err, "Matching %s", p)
+		assert.Truef(t, ok, "Path %s should have matched", p)
 	}
 
 	const includedPath = "normal.txt"
 	ok, err := matcher.Matches(includedPath)
-	if assert.NoErrorf(t, err, "Matching %s", includedPath) {
-		assert.Falsef(t, ok, "Path %s should NOT have matched", includedPath)
-	}
+	require.NoErrorf(t, err, "Matching %s", includedPath)
+	assert.Falsef(t, ok, "Path %s should NOT have matched", includedPath)
 }

pkg/watch/notify_test.go

@@ -39,15 +39,15 @@ func TestWindowsBufferSize(t *testing.T) {
 	defer os.Setenv(WindowsBufferSizeEnvVar, orig) //nolint:errcheck
 
 	err := os.Setenv(WindowsBufferSizeEnvVar, "")
-	assert.Nil(t, err)
+	require.NoError(t, err)
 	assert.Equal(t, defaultBufferSize, DesiredWindowsBufferSize())
 
 	err = os.Setenv(WindowsBufferSizeEnvVar, "a")
-	assert.Nil(t, err)
+	require.NoError(t, err)
 	assert.Equal(t, defaultBufferSize, DesiredWindowsBufferSize())
 
 	err = os.Setenv(WindowsBufferSizeEnvVar, "10")
-	assert.Nil(t, err)
+	require.NoError(t, err)
 	assert.Equal(t, 10, DesiredWindowsBufferSize())
 }
 

pkg/watch/paths_test.go

@@ -21,17 +21,18 @@ import (
 	"testing"
 
 	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
 )
 
 func TestGreatestExistingAncestor(t *testing.T) {
 	f := NewTempDirFixture(t)
 
 	p, err := greatestExistingAncestor(f.Path())
-	assert.NoError(t, err)
+	require.NoError(t, err)
 	assert.Equal(t, f.Path(), p)
 
 	p, err = greatestExistingAncestor(f.JoinPath("missing"))
-	assert.NoError(t, err)
+	require.NoError(t, err)
 	assert.Equal(t, f.Path(), p)
 
 	missingTopLevel := "/missingDir/a/b/c"