refactor: change structure project

agent/internal/service/docker_service/bad.go

@@ -0,0 +1,22 @@
+package docker_service
+
+import (
+	"github.com/lorsanstand/HomeOps-Hub/shared/domain"
+)
+
+type BadDocker struct {
+	reason string
+}
+
+func (d *BadDocker) Capability() domain.Capability {
+	return domain.Capability{
+		Name:      "docker",
+		Available: false,
+		Version:   "",
+		Reason:    d.reason,
+	}
+}
+
+func NewBadDocker(reason string) *BadDocker {
+	return &BadDocker{reason: reason}
+}

agent/internal/service/docker_service/docker.go

@@ -0,0 +1,49 @@
+package docker_service
+
+import (
+	"context"
+
+	"github.com/docker/docker/api/types"
+	"github.com/docker/docker/api/types/container"
+	"github.com/lorsanstand/HomeOps-Hub/shared/domain"
+
+	"github.com/rs/zerolog"
+)
+
+type dockerAPI interface {
+	Ping(ctx context.Context) (types.Ping, error)
+	ContainerList(ctx context.Context, opts container.ListOptions) ([]container.Summary, error)
+}
+
+type DockerService struct {
+	dockerClient dockerAPI
+	log          zerolog.Logger
+}
+
+func NewDockerService(api dockerAPI, logger zerolog.Logger) *DockerService {
+	return &DockerService{
+		dockerClient: api,
+		log:          logger.With().Str("component", "cmd.serivce.docker").Logger(),
+	}
+}
+
+func (d *DockerService) CheckDockerDaemon(ctx context.Context) error {
+	_, err := d.dockerClient.Ping(ctx)
+	d.log.Debug().Msg("check docker")
+	return err
+}
+
+func (d *DockerService) ContainersList(ctx context.Context) ([]container.Summary, error) {
+	ContainersList, err := d.dockerClient.ContainerList(ctx, container.ListOptions{})
+	d.log.Debug().Msg("get container list")
+	return ContainersList, err
+}
+
+func (d *DockerService) Capability() domain.Capability {
+	return domain.Capability{
+		Available: true,
+		Version:   "0",
+		Name:      "docker",
+		Reason:    "",
+	}
+}

agent/internal/service/docker_service/docker_test.go

@@ -0,0 +1,135 @@
+package docker_service
+
+import (
+	"context"
+	"errors"
+	"testing"
+
+	"github.com/docker/docker/api/types"
+	"github.com/docker/docker/api/types/container"
+	"github.com/rs/zerolog"
+)
+
+var testError error = errors.New("test")
+
+type DockerMock struct {
+	pingErr      error
+	containers   []container.Summary
+	containerErr error
+}
+
+func (d DockerMock) Ping(ctx context.Context) (types.Ping, error) {
+	return types.Ping{}, d.pingErr
+}
+
+func (d DockerMock) ContainerList(ctx context.Context, _ container.ListOptions) ([]container.Summary, error) {
+	return d.containers, d.containerErr
+}
+
+func TestCheckDockerDaemon(t *testing.T) {
+	t.Parallel()
+
+	tests := []struct {
+		name    string
+		mock    DockerMock
+		wantErr error
+	}{
+		{
+			name: "success",
+			mock: DockerMock{
+				pingErr:      nil,
+				containers:   nil,
+				containerErr: nil,
+			},
+			wantErr: nil,
+		},
+		{
+			name: "docker error",
+			mock: DockerMock{
+				pingErr:      testError,
+				containers:   nil,
+				containerErr: nil,
+			},
+			wantErr: testError,
+		},
+	}
+
+	for _, tt := range tests {
+		tt := tt
+		t.Run(tt.name, func(t *testing.T) {
+			t.Parallel()
+
+			svc := NewDockerService(tt.mock, zerolog.Logger{})
+
+			err := svc.CheckDockerDaemon(context.Background())
+			if !errors.Is(err, tt.wantErr) {
+				t.Fatalf("expected error %v, got: %v", tt.wantErr, err)
+			}
+		})
+	}
+}
+
+func TestContainersList(t *testing.T) {
+	t.Parallel()
+
+	containers := []container.Summary{
+		{ID: "123", Image: "postgres:latest"},
+		{ID: "456", Image: "nginx:latest"},
+	}
+
+	tests := []struct {
+		name    string
+		mock    DockerMock
+		wantLen int
+		wantErr error
+	}{
+		{
+			name: "success",
+			mock: DockerMock{
+				pingErr:      nil,
+				containers:   containers,
+				containerErr: nil,
+			},
+			wantLen: len(containers),
+			wantErr: nil,
+		},
+		{
+			name: "docker error",
+			mock: DockerMock{
+				pingErr:      nil,
+				containers:   nil,
+				containerErr: testError,
+			},
+			wantLen: 0,
+			wantErr: testError,
+		},
+		{
+			name: "docker empty container",
+			mock: DockerMock{
+				pingErr:      nil,
+				containers:   nil,
+				containerErr: nil,
+			},
+			wantLen: 0,
+			wantErr: nil,
+		},
+	}
+
+	for _, tt := range tests {
+		tt := tt
+		t.Run(tt.name, func(t *testing.T) {
+			t.Parallel()
+
+			svc := NewDockerService(tt.mock, zerolog.Logger{})
+
+			got, err := svc.ContainersList(context.Background())
+			if !errors.Is(err, tt.wantErr) {
+				t.Fatalf("expected error %v, got: %v", tt.wantErr, err)
+			}
+
+			if tt.wantLen != len(got) {
+				t.Fatalf("expected %d containers, got: %d", tt.wantLen, len(got))
+			}
+		})
+	}
+}