test(casing): add case sensitivity tests

Includes tests for case-insensitive name queries in MongoDB
and PostgreSQL. Also adds Prisma schema for User model.

test/features/casing/default_test.go

@@ -0,0 +1,83 @@
+package db
+
+import (
+	"context"
+	"testing"
+
+	"github.com/steebchen/prisma-client-go/test"
+	"github.com/steebchen/prisma-client-go/test/helpers/massert"
+)
+
+type cx = context.Context
+type Func func(t *testing.T, client *PrismaClient, ctx cx)
+
+func str(v string) *string {
+	return &v
+}
+
+func i(v int) *int {
+	return &v
+}
+
+func TestCaseSensitivity(t *testing.T) {
+	tests := []struct {
+		name   string
+		before []string
+		run    Func
+	}{{
+		name:   "case sensitivity",
+		before: nil,
+		run: func(t *testing.T, client *PrismaClient, ctx cx) {
+			user, err := client.User.CreateOne(
+				User.Name.Set("THIS is me"),
+				User.ID.Set("123"),
+			).Exec(ctx)
+			if err != nil {
+				t.Fatal(err)
+			}
+
+			expected := &UserModel{
+				InnerUser: InnerUser{
+					ID:   "123",
+					Name: "THIS is me",
+				},
+			}
+
+			massert.Equal(t, expected, user)
+
+			user, err = client.User.FindFirst(
+				User.And(
+					User.Name.Contains("THIS"),
+					User.Name.Mode(QueryModeInsensitive),
+				),
+			).Exec(ctx)
+			if err != nil {
+				t.Fatal(err)
+			}
+
+			massert.Equal(t, expected, user)
+
+			user, err = client.User.FindFirst(
+				User.Name.Contains("this"),
+				User.Name.Mode(QueryModeInsensitive),
+			).Exec(ctx)
+			if err != nil {
+				t.Fatal(err)
+			}
+
+			massert.Equal(t, expected, user)
+		},
+	}}
+
+	for _, tt := range tests {
+		tt := tt
+		t.Run(tt.name, func(t *testing.T) {
+			test.RunSerial(t, []test.Database{test.MongoDB, test.PostgreSQL}, func(t *testing.T, db test.Database, ctx context.Context) {
+				client := NewClient()
+				mockDBName := test.Start(t, db, client.Engine, tt.before)
+				defer test.End(t, db, client.Engine, mockDBName)
+				tt.run(t, client, context.Background())
+			})
+		})
+	}
+}

test/features/casing/schema.prisma

@@ -0,0 +1,16 @@
+datasource db {
+  provider = "postgresql"
+  url      = env("__REPLACE__")
+}
+
+generator db {
+  provider          = "go run github.com/steebchen/prisma-client-go"
+  output            = "."
+  disableGoBinaries = true
+  package           = "db"
+}
+
+model User {
+  id   String @id @default(cuid()) @map("_id")
+  name String
+}