feat: add test case for usecase user.create

go.mod

@@ -10,6 +10,7 @@ require (
 	github.com/google/uuid v1.6.0
 	github.com/gosuri/uitable v0.0.4
 	github.com/jackc/pgx/v5 v5.7.1
+	github.com/pkg/errors v0.9.1
 	github.com/spf13/cobra v1.8.1
 	github.com/spf13/pflag v1.0.5
 	github.com/spf13/viper v1.19.0

go.sum

@@ -86,6 +86,8 @@ github.com/modern-go/reflect2 v1.0.2 h1:xBagoLtFs94CBntxluKeaWgTMpvLxC4ur3nMaC9G
 github.com/modern-go/reflect2 v1.0.2/go.mod h1:yWuevngMOJpCy52FWWMvUC8ws7m/LJsjYzDa0/r8luk=
 github.com/pelletier/go-toml/v2 v2.2.2 h1:aYUidT7k73Pcl9nb2gScu7NSrKCSHIDE89b3+6Wq+LM=
 github.com/pelletier/go-toml/v2 v2.2.2/go.mod h1:1t835xjRzz80PqgE6HHgN2JOsmgYu/h4qDAS4n929Rs=
+github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
+github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 h1:Jamvg5psRIccs7FGNTlIRMkT8wgtp5eCXdBlqhYGL6U=
 github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=

internal/howmuch/usecase/repo/testuser.go

@@ -26,6 +26,7 @@ import (
 	"context"
 
 	"git.vinchent.xyz/vinchent/howmuch/internal/howmuch/model"
+	"github.com/pkg/errors"
 )
 
 type TestUserRepository struct{}
@@ -38,5 +39,10 @@ func (tur *TestUserRepository) Create(
 	user := *u
 
 	user.ID = 123
+
+	if user.Email == "duplicate@error.com" {
+		return nil, errors.New("blabla (SQLSTATE 23505)")
+	}
+
 	return &user, nil
 }

internal/howmuch/usecase/usecase/user_test.go

@@ -32,18 +32,34 @@ import (
 )
 
 func TestCreateUser(t *testing.T) {
-	ctx := context.Background()
+	t.Run("normal create", func(t *testing.T) {
-	userUsecase := NewUserUsecase(&repo.TestUserRepository{}, &repo.TestDBRepository{})
+		ctx := context.Background()
-	input := &model.User{
+		userUsecase := NewUserUsecase(&repo.TestUserRepository{}, &repo.TestDBRepository{})
-		Email:     "a@b.c",
+		input := &model.User{
-		FirstName: "James",
+			Email:     "a@b.c",
-		LastName:  "Bond",
+			FirstName: "James",
-		Password:  "verystrong",
+			LastName:  "Bond",
-	}
+			Password:  "verystrong",
-	want := input
+		}
-	want.ID = 123
+		want := input
+		want.ID = 123
 
-	got, err := userUsecase.Create(ctx, input)
+		got, err := userUsecase.Create(ctx, input)
-	assert.NoError(t, err)
+		assert.NoError(t, err)
-	assert.Equal(t, want, got)
+		assert.Equal(t, want, got)
+	})
+
+	t.Run("duplicate create", func(t *testing.T) {
+		ctx := context.Background()
+		userUsecase := NewUserUsecase(&repo.TestUserRepository{}, &repo.TestDBRepository{})
+		input := &model.User{
+			Email:     "duplicate@error.com",
+			FirstName: "James",
+			LastName:  "Bond",
+			Password:  "verystrong",
+		}
+
+		_, err := userUsecase.Create(ctx, input)
+		assert.EqualError(t, err, UserExisted.Error())
+	})
 }