// Copyright 2012 James Cooper. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.

//go:build !integration
// +build !integration

package gorp_test

import (
  "database/sql"
  "reflect"
  "testing"
  "time"

  "github.com/go-gorp/gorp/v3"
  "github.com/poy/onpar"
  "github.com/poy/onpar/expect"
  "github.com/poy/onpar/matchers"
)

func TestSnowflakeDialect(t *testing.T) {
  o := onpar.New()
  defer o.Run(t)

  o.BeforeEach(func(t *testing.T) (expect.Expectation, gorp.SnowflakeDialect) {
    return expect.New(t), gorp.SnowflakeDialect{
      LowercaseFields: false,
    }
  })

  o.Group("ToSqlType", func() {
    tests := []struct {
      name     string
      value    interface{}
      maxSize  int
      autoIncr bool
      expected string
    }{
      {"bool", true, 0, false, "boolean"},
      {"int8", int8(1), 0, false, "integer"},
      {"uint8", uint8(1), 0, false, "integer"},
      {"int16", int16(1), 0, false, "integer"},
      {"uint16", uint16(1), 0, false, "integer"},
      {"int32", int32(1), 0, false, "integer"},
      {"int (treated as int32)", int(1), 0, false, "integer"},
      {"uint32", uint32(1), 0, false, "integer"},
      {"uint (treated as uint32)", uint(1), 0, false, "integer"},
      {"int64", int64(1), 0, false, "bigint"},
      {"uint64", uint64(1), 0, false, "bigint"},
      {"float32", float32(1), 0, false, "real"},
      {"float64", float64(1), 0, false, "double precision"},
      {"[]uint8", []uint8{1}, 0, false, "bytea"},
      {"NullInt64", sql.NullInt64{}, 0, false, "bigint"},
      {"NullFloat64", sql.NullFloat64{}, 0, false, "double precision"},
      {"NullBool", sql.NullBool{}, 0, false, "boolean"},
      {"Time", time.Time{}, 0, false, "timestamp with time zone"},
      {"default-size string", "", 0, false, "text"},
      {"sized string", "", 50, false, "varchar(50)"},
      {"large string", "", 1024, false, "varchar(1024)"},
    }
    for _, t := range tests {
      o.Spec(t.name, func(expect expect.Expectation, dialect gorp.SnowflakeDialect) {
        typ := reflect.TypeOf(t.value)
        sqlType := dialect.ToSqlType(typ, t.maxSize, t.autoIncr)
        expect(sqlType).To(matchers.Equal(t.expected))
      })
    }
  })

  o.Spec("AutoIncrStr", func(expect expect.Expectation, dialect gorp.SnowflakeDialect) {
    expect(dialect.AutoIncrStr()).To(matchers.Equal(""))
  })

  o.Spec("AutoIncrBindValue", func(expect expect.Expectation, dialect gorp.SnowflakeDialect) {
    expect(dialect.AutoIncrBindValue()).To(matchers.Equal("default"))
  })

  o.Spec("AutoIncrInsertSuffix", func(expect expect.Expectation, dialect gorp.SnowflakeDialect) {
    expect(dialect.AutoIncrInsertSuffix(nil)).To(matchers.Equal(""))
  })

  o.Spec("CreateTableSuffix", func(expect expect.Expectation, dialect gorp.SnowflakeDialect) {
    expect(dialect.CreateTableSuffix()).To(matchers.Equal(""))
  })

  o.Spec("CreateIndexSuffix", func(expect expect.Expectation, dialect gorp.SnowflakeDialect) {
    expect(dialect.CreateIndexSuffix()).To(matchers.Equal(""))
  })

  o.Spec("DropIndexSuffix", func(expect expect.Expectation, dialect gorp.SnowflakeDialect) {
    expect(dialect.DropIndexSuffix()).To(matchers.Equal(""))
  })

  o.Spec("TruncateClause", func(expect expect.Expectation, dialect gorp.SnowflakeDialect) {
    expect(dialect.TruncateClause()).To(matchers.Equal("truncate"))
  })

  o.Spec("BindVar", func(expect expect.Expectation, dialect gorp.SnowflakeDialect) {
    expect(dialect.BindVar(0)).To(matchers.Equal("?"))
    expect(dialect.BindVar(4)).To(matchers.Equal("?"))
  })

  o.Group("QuoteField", func() {
    o.Spec("By default, case is preserved", func(expect expect.Expectation, dialect gorp.SnowflakeDialect) {
      expect(dialect.QuoteField("Foo")).To(matchers.Equal(`"Foo"`))
      expect(dialect.QuoteField("bar")).To(matchers.Equal(`"bar"`))
    })

    o.Group("With LowercaseFields set to true", func() {
      o.BeforeEach(func(expect expect.Expectation, dialect gorp.SnowflakeDialect) (expect.Expectation, gorp.SnowflakeDialect) {
        dialect.LowercaseFields = true
        return expect, dialect
      })

      o.Spec("fields are lowercased", func(expect expect.Expectation, dialect gorp.SnowflakeDialect) {
        expect(dialect.QuoteField("Foo")).To(matchers.Equal(`"foo"`))
      })
    })
  })

  o.Group("QuotedTableForQuery", func() {
    o.Spec("using the default schema", func(expect expect.Expectation, dialect gorp.SnowflakeDialect) {
      expect(dialect.QuotedTableForQuery("", "foo")).To(matchers.Equal(`"foo"`))
    })

    o.Spec("with a supplied schema", func(expect expect.Expectation, dialect gorp.SnowflakeDialect) {
      expect(dialect.QuotedTableForQuery("foo", "bar")).To(matchers.Equal(`foo."bar"`))
    })
  })

  o.Spec("IfSchemaNotExists", func(expect expect.Expectation, dialect gorp.SnowflakeDialect) {
    expect(dialect.IfSchemaNotExists("foo", "bar")).To(matchers.Equal("foo if not exists"))
  })

  o.Spec("IfTableExists", func(expect expect.Expectation, dialect gorp.SnowflakeDialect) {
    expect(dialect.IfTableExists("foo", "bar", "baz")).To(matchers.Equal("foo if exists"))
  })

  o.Spec("IfTableNotExists", func(expect expect.Expectation, dialect gorp.SnowflakeDialect) {
    expect(dialect.IfTableNotExists("foo", "bar", "baz")).To(matchers.Equal("foo if not exists"))
  })
}