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package engine
import (
"testing"
"github.com/seaweedfs/seaweedfs/weed/pb/schema_pb"
)
func TestArithmeticOperations(t *testing.T) {
engine := NewTestSQLEngine()
tests := []struct {
name string
left *schema_pb.Value
right *schema_pb.Value
operator ArithmeticOperator
expected *schema_pb.Value
expectErr bool
}{
// Addition tests
{
name: "Add two integers",
left: &schema_pb.Value{Kind: &schema_pb.Value_Int64Value{Int64Value: 10}},
right: &schema_pb.Value{Kind: &schema_pb.Value_Int64Value{Int64Value: 5}},
operator: OpAdd,
expected: &schema_pb.Value{Kind: &schema_pb.Value_Int64Value{Int64Value: 15}},
expectErr: false,
},
{
name: "Add integer and float",
left: &schema_pb.Value{Kind: &schema_pb.Value_Int64Value{Int64Value: 10}},
right: &schema_pb.Value{Kind: &schema_pb.Value_DoubleValue{DoubleValue: 5.5}},
operator: OpAdd,
expected: &schema_pb.Value{Kind: &schema_pb.Value_DoubleValue{DoubleValue: 15.5}},
expectErr: false,
},
// Subtraction tests
{
name: "Subtract two integers",
left: &schema_pb.Value{Kind: &schema_pb.Value_Int64Value{Int64Value: 10}},
right: &schema_pb.Value{Kind: &schema_pb.Value_Int64Value{Int64Value: 3}},
operator: OpSub,
expected: &schema_pb.Value{Kind: &schema_pb.Value_Int64Value{Int64Value: 7}},
expectErr: false,
},
// Multiplication tests
{
name: "Multiply two integers",
left: &schema_pb.Value{Kind: &schema_pb.Value_Int64Value{Int64Value: 6}},
right: &schema_pb.Value{Kind: &schema_pb.Value_Int64Value{Int64Value: 7}},
operator: OpMul,
expected: &schema_pb.Value{Kind: &schema_pb.Value_Int64Value{Int64Value: 42}},
expectErr: false,
},
{
name: "Multiply with float",
left: &schema_pb.Value{Kind: &schema_pb.Value_Int64Value{Int64Value: 5}},
right: &schema_pb.Value{Kind: &schema_pb.Value_FloatValue{FloatValue: 2.5}},
operator: OpMul,
expected: &schema_pb.Value{Kind: &schema_pb.Value_DoubleValue{DoubleValue: 12.5}},
expectErr: false,
},
// Division tests
{
name: "Divide two integers",
left: &schema_pb.Value{Kind: &schema_pb.Value_Int64Value{Int64Value: 20}},
right: &schema_pb.Value{Kind: &schema_pb.Value_Int64Value{Int64Value: 4}},
operator: OpDiv,
expected: &schema_pb.Value{Kind: &schema_pb.Value_DoubleValue{DoubleValue: 5.0}},
expectErr: false,
},
{
name: "Division by zero",
left: &schema_pb.Value{Kind: &schema_pb.Value_Int64Value{Int64Value: 10}},
right: &schema_pb.Value{Kind: &schema_pb.Value_Int64Value{Int64Value: 0}},
operator: OpDiv,
expected: nil,
expectErr: true,
},
// Modulo tests
{
name: "Modulo operation",
left: &schema_pb.Value{Kind: &schema_pb.Value_Int64Value{Int64Value: 17}},
right: &schema_pb.Value{Kind: &schema_pb.Value_Int64Value{Int64Value: 5}},
operator: OpMod,
expected: &schema_pb.Value{Kind: &schema_pb.Value_Int64Value{Int64Value: 2}},
expectErr: false,
},
{
name: "Modulo by zero",
left: &schema_pb.Value{Kind: &schema_pb.Value_Int64Value{Int64Value: 10}},
right: &schema_pb.Value{Kind: &schema_pb.Value_Int64Value{Int64Value: 0}},
operator: OpMod,
expected: nil,
expectErr: true,
},
// String conversion tests
{
name: "Add string number to integer",
left: &schema_pb.Value{Kind: &schema_pb.Value_StringValue{StringValue: "15"}},
right: &schema_pb.Value{Kind: &schema_pb.Value_Int64Value{Int64Value: 5}},
operator: OpAdd,
expected: &schema_pb.Value{Kind: &schema_pb.Value_DoubleValue{DoubleValue: 20.0}},
expectErr: false,
},
{
name: "Invalid string conversion",
left: &schema_pb.Value{Kind: &schema_pb.Value_StringValue{StringValue: "not_a_number"}},
right: &schema_pb.Value{Kind: &schema_pb.Value_Int64Value{Int64Value: 5}},
operator: OpAdd,
expected: nil,
expectErr: true,
},
// Boolean conversion tests
{
name: "Add boolean to integer",
left: &schema_pb.Value{Kind: &schema_pb.Value_BoolValue{BoolValue: true}},
right: &schema_pb.Value{Kind: &schema_pb.Value_Int64Value{Int64Value: 5}},
operator: OpAdd,
expected: &schema_pb.Value{Kind: &schema_pb.Value_DoubleValue{DoubleValue: 6.0}},
expectErr: false,
},
// Null value tests
{
name: "Add with null left operand",
left: nil,
right: &schema_pb.Value{Kind: &schema_pb.Value_Int64Value{Int64Value: 5}},
operator: OpAdd,
expected: nil,
expectErr: true,
},
{
name: "Add with null right operand",
left: &schema_pb.Value{Kind: &schema_pb.Value_Int64Value{Int64Value: 5}},
right: nil,
operator: OpAdd,
expected: nil,
expectErr: true,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
result, err := engine.EvaluateArithmeticExpression(tt.left, tt.right, tt.operator)
if tt.expectErr {
if err == nil {
t.Errorf("Expected error but got none")
}
return
}
if err != nil {
t.Errorf("Unexpected error: %v", err)
return
}
if !valuesEqual(result, tt.expected) {
t.Errorf("Expected %v, got %v", tt.expected, result)
}
})
}
}
func TestIndividualArithmeticFunctions(t *testing.T) {
engine := NewTestSQLEngine()
left := &schema_pb.Value{Kind: &schema_pb.Value_Int64Value{Int64Value: 10}}
right := &schema_pb.Value{Kind: &schema_pb.Value_Int64Value{Int64Value: 3}}
// Test Add function
result, err := engine.Add(left, right)
if err != nil {
t.Errorf("Add function failed: %v", err)
}
expected := &schema_pb.Value{Kind: &schema_pb.Value_Int64Value{Int64Value: 13}}
if !valuesEqual(result, expected) {
t.Errorf("Add: Expected %v, got %v", expected, result)
}
// Test Subtract function
result, err = engine.Subtract(left, right)
if err != nil {
t.Errorf("Subtract function failed: %v", err)
}
expected = &schema_pb.Value{Kind: &schema_pb.Value_Int64Value{Int64Value: 7}}
if !valuesEqual(result, expected) {
t.Errorf("Subtract: Expected %v, got %v", expected, result)
}
// Test Multiply function
result, err = engine.Multiply(left, right)
if err != nil {
t.Errorf("Multiply function failed: %v", err)
}
expected = &schema_pb.Value{Kind: &schema_pb.Value_Int64Value{Int64Value: 30}}
if !valuesEqual(result, expected) {
t.Errorf("Multiply: Expected %v, got %v", expected, result)
}
// Test Divide function
result, err = engine.Divide(left, right)
if err != nil {
t.Errorf("Divide function failed: %v", err)
}
expected = &schema_pb.Value{Kind: &schema_pb.Value_DoubleValue{DoubleValue: 10.0/3.0}}
if !valuesEqual(result, expected) {
t.Errorf("Divide: Expected %v, got %v", expected, result)
}
// Test Modulo function
result, err = engine.Modulo(left, right)
if err != nil {
t.Errorf("Modulo function failed: %v", err)
}
expected = &schema_pb.Value{Kind: &schema_pb.Value_Int64Value{Int64Value: 1}}
if !valuesEqual(result, expected) {
t.Errorf("Modulo: Expected %v, got %v", expected, result)
}
}
func TestMathematicalFunctions(t *testing.T) {
engine := NewTestSQLEngine()
t.Run("ROUND function tests", func(t *testing.T) {
tests := []struct {
name string
value *schema_pb.Value
precision *schema_pb.Value
expected *schema_pb.Value
expectErr bool
}{
{
name: "Round float to integer",
value: &schema_pb.Value{Kind: &schema_pb.Value_DoubleValue{DoubleValue: 3.7}},
precision: nil,
expected: &schema_pb.Value{Kind: &schema_pb.Value_DoubleValue{DoubleValue: 4.0}},
expectErr: false,
},
{
name: "Round integer stays integer",
value: &schema_pb.Value{Kind: &schema_pb.Value_Int64Value{Int64Value: 5}},
precision: nil,
expected: &schema_pb.Value{Kind: &schema_pb.Value_Int64Value{Int64Value: 5}},
expectErr: false,
},
{
name: "Round with precision 2",
value: &schema_pb.Value{Kind: &schema_pb.Value_DoubleValue{DoubleValue: 3.14159}},
precision: &schema_pb.Value{Kind: &schema_pb.Value_Int64Value{Int64Value: 2}},
expected: &schema_pb.Value{Kind: &schema_pb.Value_DoubleValue{DoubleValue: 3.14}},
expectErr: false,
},
{
name: "Round negative number",
value: &schema_pb.Value{Kind: &schema_pb.Value_DoubleValue{DoubleValue: -3.7}},
precision: nil,
expected: &schema_pb.Value{Kind: &schema_pb.Value_DoubleValue{DoubleValue: -4.0}},
expectErr: false,
},
{
name: "Round null value",
value: nil,
precision: nil,
expected: nil,
expectErr: true,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
var result *schema_pb.Value
var err error
if tt.precision != nil {
result, err = engine.Round(tt.value, tt.precision)
} else {
result, err = engine.Round(tt.value)
}
if tt.expectErr {
if err == nil {
t.Errorf("Expected error but got none")
}
return
}
if err != nil {
t.Errorf("Unexpected error: %v", err)
return
}
if !valuesEqual(result, tt.expected) {
t.Errorf("Expected %v, got %v", tt.expected, result)
}
})
}
})
t.Run("CEIL function tests", func(t *testing.T) {
tests := []struct {
name string
value *schema_pb.Value
expected *schema_pb.Value
expectErr bool
}{
{
name: "Ceil positive decimal",
value: &schema_pb.Value{Kind: &schema_pb.Value_DoubleValue{DoubleValue: 3.2}},
expected: &schema_pb.Value{Kind: &schema_pb.Value_Int64Value{Int64Value: 4}},
expectErr: false,
},
{
name: "Ceil negative decimal",
value: &schema_pb.Value{Kind: &schema_pb.Value_DoubleValue{DoubleValue: -3.2}},
expected: &schema_pb.Value{Kind: &schema_pb.Value_Int64Value{Int64Value: -3}},
expectErr: false,
},
{
name: "Ceil integer",
value: &schema_pb.Value{Kind: &schema_pb.Value_Int64Value{Int64Value: 5}},
expected: &schema_pb.Value{Kind: &schema_pb.Value_Int64Value{Int64Value: 5}},
expectErr: false,
},
{
name: "Ceil null value",
value: nil,
expected: nil,
expectErr: true,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
result, err := engine.Ceil(tt.value)
if tt.expectErr {
if err == nil {
t.Errorf("Expected error but got none")
}
return
}
if err != nil {
t.Errorf("Unexpected error: %v", err)
return
}
if !valuesEqual(result, tt.expected) {
t.Errorf("Expected %v, got %v", tt.expected, result)
}
})
}
})
t.Run("FLOOR function tests", func(t *testing.T) {
tests := []struct {
name string
value *schema_pb.Value
expected *schema_pb.Value
expectErr bool
}{
{
name: "Floor positive decimal",
value: &schema_pb.Value{Kind: &schema_pb.Value_DoubleValue{DoubleValue: 3.8}},
expected: &schema_pb.Value{Kind: &schema_pb.Value_Int64Value{Int64Value: 3}},
expectErr: false,
},
{
name: "Floor negative decimal",
value: &schema_pb.Value{Kind: &schema_pb.Value_DoubleValue{DoubleValue: -3.2}},
expected: &schema_pb.Value{Kind: &schema_pb.Value_Int64Value{Int64Value: -4}},
expectErr: false,
},
{
name: "Floor integer",
value: &schema_pb.Value{Kind: &schema_pb.Value_Int64Value{Int64Value: 5}},
expected: &schema_pb.Value{Kind: &schema_pb.Value_Int64Value{Int64Value: 5}},
expectErr: false,
},
{
name: "Floor null value",
value: nil,
expected: nil,
expectErr: true,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
result, err := engine.Floor(tt.value)
if tt.expectErr {
if err == nil {
t.Errorf("Expected error but got none")
}
return
}
if err != nil {
t.Errorf("Unexpected error: %v", err)
return
}
if !valuesEqual(result, tt.expected) {
t.Errorf("Expected %v, got %v", tt.expected, result)
}
})
}
})
t.Run("ABS function tests", func(t *testing.T) {
tests := []struct {
name string
value *schema_pb.Value
expected *schema_pb.Value
expectErr bool
}{
{
name: "Abs positive integer",
value: &schema_pb.Value{Kind: &schema_pb.Value_Int64Value{Int64Value: 5}},
expected: &schema_pb.Value{Kind: &schema_pb.Value_Int64Value{Int64Value: 5}},
expectErr: false,
},
{
name: "Abs negative integer",
value: &schema_pb.Value{Kind: &schema_pb.Value_Int64Value{Int64Value: -5}},
expected: &schema_pb.Value{Kind: &schema_pb.Value_Int64Value{Int64Value: 5}},
expectErr: false,
},
{
name: "Abs positive double",
value: &schema_pb.Value{Kind: &schema_pb.Value_DoubleValue{DoubleValue: 3.14}},
expected: &schema_pb.Value{Kind: &schema_pb.Value_DoubleValue{DoubleValue: 3.14}},
expectErr: false,
},
{
name: "Abs negative double",
value: &schema_pb.Value{Kind: &schema_pb.Value_DoubleValue{DoubleValue: -3.14}},
expected: &schema_pb.Value{Kind: &schema_pb.Value_DoubleValue{DoubleValue: 3.14}},
expectErr: false,
},
{
name: "Abs positive float",
value: &schema_pb.Value{Kind: &schema_pb.Value_FloatValue{FloatValue: 2.5}},
expected: &schema_pb.Value{Kind: &schema_pb.Value_FloatValue{FloatValue: 2.5}},
expectErr: false,
},
{
name: "Abs negative float",
value: &schema_pb.Value{Kind: &schema_pb.Value_FloatValue{FloatValue: -2.5}},
expected: &schema_pb.Value{Kind: &schema_pb.Value_FloatValue{FloatValue: 2.5}},
expectErr: false,
},
{
name: "Abs zero",
value: &schema_pb.Value{Kind: &schema_pb.Value_Int64Value{Int64Value: 0}},
expected: &schema_pb.Value{Kind: &schema_pb.Value_Int64Value{Int64Value: 0}},
expectErr: false,
},
{
name: "Abs null value",
value: nil,
expected: nil,
expectErr: true,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
result, err := engine.Abs(tt.value)
if tt.expectErr {
if err == nil {
t.Errorf("Expected error but got none")
}
return
}
if err != nil {
t.Errorf("Unexpected error: %v", err)
return
}
if !valuesEqual(result, tt.expected) {
t.Errorf("Expected %v, got %v", tt.expected, result)
}
})
}
})
}
// Helper function to compare two schema_pb.Value objects
func valuesEqual(v1, v2 *schema_pb.Value) bool {
if v1 == nil && v2 == nil {
return true
}
if v1 == nil || v2 == nil {
return false
}
switch v1Kind := v1.Kind.(type) {
case *schema_pb.Value_Int32Value:
if v2Kind, ok := v2.Kind.(*schema_pb.Value_Int32Value); ok {
return v1Kind.Int32Value == v2Kind.Int32Value
}
case *schema_pb.Value_Int64Value:
if v2Kind, ok := v2.Kind.(*schema_pb.Value_Int64Value); ok {
return v1Kind.Int64Value == v2Kind.Int64Value
}
case *schema_pb.Value_FloatValue:
if v2Kind, ok := v2.Kind.(*schema_pb.Value_FloatValue); ok {
return v1Kind.FloatValue == v2Kind.FloatValue
}
case *schema_pb.Value_DoubleValue:
if v2Kind, ok := v2.Kind.(*schema_pb.Value_DoubleValue); ok {
return v1Kind.DoubleValue == v2Kind.DoubleValue
}
case *schema_pb.Value_StringValue:
if v2Kind, ok := v2.Kind.(*schema_pb.Value_StringValue); ok {
return v1Kind.StringValue == v2Kind.StringValue
}
case *schema_pb.Value_BoolValue:
if v2Kind, ok := v2.Kind.(*schema_pb.Value_BoolValue); ok {
return v1Kind.BoolValue == v2Kind.BoolValue
}
}
return false
}