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Copy pathoperator_arithmetic_test.go
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operator_arithmetic_test.go
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// Copyright 2024 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package enginetests
import (
"context"
"math"
"strings"
"testing"
"time"
"github.com/google/cql/interpreter"
"github.com/google/cql/model"
"github.com/google/cql/parser"
"github.com/google/cql/result"
"github.com/google/cql/types"
"github.com/google/go-cmp/cmp"
"google.golang.org/protobuf/testing/protocmp"
)
func TestAbs(t *testing.T) {
tests := []struct {
name string
cql string
wantModel model.IExpression
wantResult result.Value
}{
{
name: "Integer",
cql: "Abs(-4)",
wantModel: &model.Abs{
UnaryExpression: &model.UnaryExpression{
Operand: &model.Negate{
UnaryExpression: &model.UnaryExpression{
Operand: model.NewLiteral("4", types.Integer),
Expression: model.ResultType(types.Integer),
},
},
Expression: model.ResultType(types.Integer),
},
},
wantResult: newOrFatal(t, 4),
},
{
name: "Positive Integer",
cql: "Abs(2)",
wantResult: newOrFatal(t, 2),
},
{
name: "Minimum Integer",
cql: "Abs(-2147483648)",
wantResult: newOrFatal(t, nil),
},
{
name: "Long",
cql: "Abs(-4L)",
wantResult: newOrFatal(t, int64(4)),
},
{
name: "Positive Long",
cql: "Abs(2L)",
wantResult: newOrFatal(t, int64(2)),
},
{
name: "Minimum Long",
cql: "Abs(-9223372036854775808L)",
wantResult: newOrFatal(t, nil),
},
{
name: "Decimal",
cql: "Abs(-1.0)",
wantResult: newOrFatal(t, 1.0),
},
{
name: "Positive Decimal",
cql: "Abs(1.0)",
wantResult: newOrFatal(t, 1.0),
},
{
name: "Minimum Decimal",
cql: "Abs(-99999999999999999999.99999999)",
wantResult: newOrFatal(t, float64(99999999999999999999.99999999)),
},
{
name: "Quantity",
cql: "Abs(-1.0 'day')",
wantResult: newOrFatal(t, result.Quantity{Value: 1.0, Unit: model.DAYUNIT}),
},
{
name: "Positive Quantity",
cql: "Abs(1.0 'day')",
wantResult: newOrFatal(t, result.Quantity{Value: 1.0, Unit: model.DAYUNIT}),
},
{
name: "Quantity",
cql: "Abs(-99999999999999999999.99999999 'day')",
wantResult: newOrFatal(t, result.Quantity{Value: 99999999999999999999.99999999, Unit: model.DAYUNIT}),
},
{
name: "Null",
cql: "Abs(null as Integer)",
wantResult: newOrFatal(t, nil),
},
}
for _, tc := range tests {
t.Run(tc.name, func(t *testing.T) {
p := newFHIRParser(t)
parsedLibs, err := p.Libraries(context.Background(), wrapInLib(t, tc.cql), parser.Config{})
if err != nil {
t.Fatalf("Parse returned unexpected error: %v", err)
}
if diff := cmp.Diff(tc.wantModel, getTESTRESULTModel(t, parsedLibs)); tc.wantModel != nil && diff != "" {
t.Errorf("Parse diff (-want +got):\n%s", diff)
}
results, err := interpreter.Eval(context.Background(), parsedLibs, defaultInterpreterConfig(t, p))
if err != nil {
t.Fatalf("Eval returned unexpected error: %v", err)
}
if diff := cmp.Diff(tc.wantResult, getTESTRESULT(t, results), protocmp.Transform()); diff != "" {
t.Errorf("Eval diff (-want +got)\n%v", diff)
}
})
}
}
func TestCeiling(t *testing.T) {
tests := []struct {
name string
cql string
wantModel model.IExpression
wantResult result.Value
}{
{
name: "Decimal",
cql: "Ceiling(41.1)",
wantModel: &model.Ceiling{
UnaryExpression: &model.UnaryExpression{
Operand: model.NewLiteral("41.1", types.Decimal),
Expression: model.ResultType(types.Integer),
},
},
wantResult: newOrFatal(t, 42),
},
{
name: "Negative",
cql: "Ceiling(-2.1)",
wantResult: newOrFatal(t, -2),
},
{
name: "Zero",
cql: "Ceiling(0.0)",
wantResult: newOrFatal(t, 0),
},
{
name: "Integer",
cql: "Ceiling(2)",
wantResult: newOrFatal(t, 2),
},
{
name: "Minimum Integer",
cql: "Ceiling(-2147483648)",
wantResult: newOrFatal(t, -2147483648),
},
{
name: "Minimum Decimal out of range",
cql: "Ceiling(-99999999999999999999.99999999)",
wantResult: newOrFatal(t, nil),
},
{
name: "Maximum Decimal out of range",
cql: "Ceiling(99999999999999999999.99999999)",
wantResult: newOrFatal(t, nil),
},
{
name: "Just less than min int32",
cql: "Ceiling(-2147483648.5)",
wantResult: newOrFatal(t, math.MinInt32),
},
{
name: "More than one less than min int32",
cql: "Ceiling(-2147483649.5)",
wantResult: newOrFatal(t, nil),
},
{
name: "Just more than max int32",
cql: "Ceiling(2147483647.5)",
wantResult: newOrFatal(t, nil),
},
{
name: "equal to min int32",
cql: "Ceiling(-2147483648.0)",
wantResult: newOrFatal(t, math.MinInt32),
},
{
name: "equal to max int32",
cql: "Ceiling(2147483647.0)",
wantResult: newOrFatal(t, math.MaxInt32),
},
{
name: "Null",
cql: "Ceiling(null as Decimal)",
wantResult: newOrFatal(t, nil),
},
}
for _, tc := range tests {
t.Run(tc.name, func(t *testing.T) {
p := newFHIRParser(t)
parsedLibs, err := p.Libraries(context.Background(), wrapInLib(t, tc.cql), parser.Config{})
if err != nil {
t.Fatalf("Parse returned unexpected error: %v", err)
}
if diff := cmp.Diff(tc.wantModel, getTESTRESULTModel(t, parsedLibs)); tc.wantModel != nil && diff != "" {
t.Errorf("Parse diff (-want +got):\n%s", diff)
}
results, err := interpreter.Eval(context.Background(), parsedLibs, defaultInterpreterConfig(t, p))
if err != nil {
t.Fatalf("Eval returned unexpected error: %v", err)
}
if diff := cmp.Diff(tc.wantResult, getTESTRESULT(t, results), protocmp.Transform()); diff != "" {
t.Errorf("Eval diff (-want +got)\n%v", diff)
}
})
}
}
func TestExp(t *testing.T) {
tests := []struct {
name string
cql string
wantModel model.IExpression
wantResult result.Value
}{
{
name: "Integer",
cql: "Exp(4)",
wantModel: &model.Exp{
UnaryExpression: &model.UnaryExpression{
Operand: &model.ToDecimal{
UnaryExpression: &model.UnaryExpression{
Operand: model.NewLiteral("4", types.Integer),
Expression: model.ResultType(types.Decimal),
},
},
Expression: model.ResultType(types.Decimal),
},
},
wantResult: newOrFatal(t, 54.598150033144236),
},
{
name: "Positive Integer",
cql: "Exp(2)",
wantResult: newOrFatal(t, 7.38905609893065),
},
{
name: "Minimum Integer",
cql: "Exp(-2147483648)",
wantResult: newOrFatal(t, 0.0),
},
{
name: "Long",
cql: "Exp(-4L)",
wantResult: newOrFatal(t, 0.01831563888873418),
},
{
name: "Positive Long",
cql: "Exp(2L)",
wantResult: newOrFatal(t, 7.38905609893065),
},
{
name: "Minimum Long",
cql: "Exp(-9223372036854775808L)",
wantResult: newOrFatal(t, 0.0),
},
{
name: "Decimal zero",
cql: "Exp(0.0)",
wantResult: newOrFatal(t, 1.0),
},
{
name: "Decimal negative one",
cql: "Exp(-1.0)",
wantResult: newOrFatal(t, 0.36787944117144233),
},
{
name: "Positive Decimal one",
cql: "Exp(1.0)",
wantResult: newOrFatal(t, 2.718281828459045),
},
{
name: "Minimum Decimal",
cql: "Exp(-99999999999999999999.99999999)",
wantResult: newOrFatal(t, 0.0),
},
{
name: "Null",
cql: "Exp(null as Decimal)",
wantResult: newOrFatal(t, nil),
},
}
for _, tc := range tests {
t.Run(tc.name, func(t *testing.T) {
p := newFHIRParser(t)
parsedLibs, err := p.Libraries(context.Background(), wrapInLib(t, tc.cql), parser.Config{})
if err != nil {
t.Fatalf("Parse returned unexpected error: %v", err)
}
if diff := cmp.Diff(tc.wantModel, getTESTRESULTModel(t, parsedLibs)); tc.wantModel != nil && diff != "" {
t.Errorf("Parse diff (-want +got):\n%s", diff)
}
results, err := interpreter.Eval(context.Background(), parsedLibs, defaultInterpreterConfig(t, p))
if err != nil {
t.Fatalf("Eval returned unexpected error: %v", err)
}
if diff := cmp.Diff(tc.wantResult, getTESTRESULT(t, results), protocmp.Transform()); diff != "" {
t.Errorf("Eval diff (-want +got)\n%v", diff)
}
})
}
}
func TestFloor(t *testing.T) {
tests := []struct {
name string
cql string
wantModel model.IExpression
wantResult result.Value
}{
{
name: "Decimal",
cql: "Floor(42.1)",
wantModel: &model.Floor{
UnaryExpression: &model.UnaryExpression{
Operand: model.NewLiteral("42.1", types.Decimal),
Expression: model.ResultType(types.Integer),
},
},
wantResult: newOrFatal(t, 42),
},
{
name: "Negative",
cql: "Floor(-2.1)",
wantResult: newOrFatal(t, -3),
},
{
name: "Zero",
cql: "Floor(0.0)",
wantResult: newOrFatal(t, 0),
},
{
name: "Integer",
cql: "Floor(2)",
wantResult: newOrFatal(t, 2),
},
{
name: "Minimum Integer",
cql: "Floor(-2147483648)",
wantResult: newOrFatal(t, -2147483648),
},
{
name: "Minimum Decimal out of range",
cql: "Floor(-99999999999999999999.99999999)",
wantResult: newOrFatal(t, nil),
},
{
name: "Maximum Decimal out of range",
cql: "Floor(99999999999999999999.99999999)",
wantResult: newOrFatal(t, nil),
},
{
name: "Just less than min int32",
cql: "Floor(-2147483648.5)",
wantResult: newOrFatal(t, nil),
},
{
name: "Just more than max int32",
cql: "Floor(2147483647.5)",
wantResult: newOrFatal(t, math.MaxInt32),
},
{
name: "More than one more than max int32",
cql: "Floor(2147483648.5)",
wantResult: newOrFatal(t, nil),
},
{
name: "equal to min int32",
cql: "Floor(-2147483648.0)",
wantResult: newOrFatal(t, math.MinInt32),
},
{
name: "equal to max int32",
cql: "Floor(2147483647.0)",
wantResult: newOrFatal(t, math.MaxInt32),
},
{
name: "Null",
cql: "Floor(null as Decimal)",
wantResult: newOrFatal(t, nil),
},
}
for _, tc := range tests {
t.Run(tc.name, func(t *testing.T) {
p := newFHIRParser(t)
parsedLibs, err := p.Libraries(context.Background(), wrapInLib(t, tc.cql), parser.Config{})
if err != nil {
t.Fatalf("Parse returned unexpected error: %v", err)
}
if diff := cmp.Diff(tc.wantModel, getTESTRESULTModel(t, parsedLibs)); tc.wantModel != nil && diff != "" {
t.Errorf("Parse diff (-want +got):\n%s", diff)
}
results, err := interpreter.Eval(context.Background(), parsedLibs, defaultInterpreterConfig(t, p))
if err != nil {
t.Fatalf("Eval returned unexpected error: %v", err)
}
if diff := cmp.Diff(tc.wantResult, getTESTRESULT(t, results), protocmp.Transform()); diff != "" {
t.Errorf("Eval diff (-want +got)\n%v", diff)
}
})
}
}
func TestLn(t *testing.T) {
tests := []struct {
name string
cql string
wantModel model.IExpression
wantResult result.Value
}{
{
name: "Decimal",
cql: "Ln(1.0)",
wantModel: &model.Ln{
UnaryExpression: &model.UnaryExpression{
Operand: model.NewLiteral("1.0", types.Decimal),
Expression: model.ResultType(types.Decimal),
},
},
wantResult: newOrFatal(t, 0.0),
},
{
name: "Negative",
cql: "Ln(-2.1)",
wantResult: newOrFatal(t, nil),
},
{
name: "Zero",
cql: "Ln(0.0)",
wantResult: newOrFatal(t, nil),
},
{
name: "Ten",
cql: "Ln(10.0)",
wantResult: newOrFatal(t, 2.302585092994046),
},
{
name: "Integer",
cql: "Ln(1)",
wantResult: newOrFatal(t, 0.0),
},
{
name: "Minimum Integer",
cql: "Ln(-2147483648)",
wantResult: newOrFatal(t, nil),
},
{
name: "Maximum Integer",
cql: "Ln(2147483647.0)",
wantResult: newOrFatal(t, 21.487562596892644),
},
{
name: "Null",
cql: "Ln(null as Decimal)",
wantResult: newOrFatal(t, nil),
},
}
for _, tc := range tests {
t.Run(tc.name, func(t *testing.T) {
p := newFHIRParser(t)
parsedLibs, err := p.Libraries(context.Background(), wrapInLib(t, tc.cql), parser.Config{})
if err != nil {
t.Fatalf("Parse returned unexpected error: %v", err)
}
if diff := cmp.Diff(tc.wantModel, getTESTRESULTModel(t, parsedLibs)); tc.wantModel != nil && diff != "" {
t.Errorf("Parse diff (-want +got):\n%s", diff)
}
results, err := interpreter.Eval(context.Background(), parsedLibs, defaultInterpreterConfig(t, p))
if err != nil {
t.Fatalf("Eval returned unexpected error: %v", err)
}
if diff := cmp.Diff(tc.wantResult, getTESTRESULT(t, results), protocmp.Transform()); diff != "" {
t.Errorf("Eval diff (-want +got)\n%v", diff)
}
})
}
}
func TestLog(t *testing.T) {
tests := []struct {
name string
cql string
wantModel model.IExpression
wantResult result.Value
}{
{
name: "Decimal",
cql: "Log(1.0, 10.0)",
wantModel: &model.Log{
BinaryExpression: &model.BinaryExpression{
Operands: []model.IExpression{
model.NewLiteral("1.0", types.Decimal),
model.NewLiteral("10.0", types.Decimal),
},
Expression: model.ResultType(types.Decimal),
},
},
wantResult: newOrFatal(t, 0.0),
},
{
name: "Negative value",
cql: "Log(-2.1, 10.0)",
wantResult: newOrFatal(t, nil),
},
{
name: "Negative base",
cql: "Log(2.1, -10.0)",
wantResult: newOrFatal(t, nil),
},
{
name: "Zero value",
cql: "Log(0.0, 10.0)",
wantResult: newOrFatal(t, nil),
},
{
name: "Zero base",
cql: "Log(2.1, 0.0)",
wantResult: newOrFatal(t, nil),
},
{
name: "Logarithm of 0.125 with base 2",
cql: "Log(0.125, 2.0)",
wantResult: newOrFatal(t, -3.0),
},
{
name: "Integer of 16 with base 2",
cql: "Log(16, 2)",
wantResult: newOrFatal(t, 4.0),
},
{
name: "Minimum Integer value",
cql: "Log(-2147483648, 10)",
wantResult: newOrFatal(t, nil),
},
{
name: "Maximum Integer value",
cql: "Round(Log(2147483647, 10), 3)",
wantResult: newOrFatal(t, 9.332),
},
{
name: "Null value",
cql: "Log(null as Decimal, 10)",
wantResult: newOrFatal(t, nil),
},
{
name: "Null base",
cql: "Log(1.0, null as Decimal)",
wantResult: newOrFatal(t, nil),
},
}
for _, tc := range tests {
t.Run(tc.name, func(t *testing.T) {
p := newFHIRParser(t)
parsedLibs, err := p.Libraries(context.Background(), wrapInLib(t, tc.cql), parser.Config{})
if err != nil {
t.Fatalf("Parse returned unexpected error: %v", err)
}
if diff := cmp.Diff(tc.wantModel, getTESTRESULTModel(t, parsedLibs)); tc.wantModel != nil && diff != "" {
t.Errorf("Parse diff (-want +got):\n%s", diff)
}
results, err := interpreter.Eval(context.Background(), parsedLibs, defaultInterpreterConfig(t, p))
if err != nil {
t.Fatalf("Eval returned unexpected error: %v", err)
}
if diff := cmp.Diff(tc.wantResult, getTESTRESULT(t, results), protocmp.Transform()); diff != "" {
t.Errorf("Eval diff (-want +got)\n%v", diff)
}
})
}
}
func TestPrecision(t *testing.T) {
tests := []struct {
name string
cql string
wantModel model.IExpression
wantResult result.Value
}{
{
name: "Decimal",
cql: "Precision(@2014)",
wantModel: &model.Precision{
UnaryExpression: &model.UnaryExpression{
Operand: model.NewLiteral("@2014", types.Date),
Expression: model.ResultType(types.Integer),
},
},
wantResult: newOrFatal(t, 4),
},
{
name: "Date Year",
cql: "Precision(@2014)",
wantResult: newOrFatal(t, 4),
},
{
name: "Date Month",
cql: "Precision(@2014-02)",
wantResult: newOrFatal(t, 6),
},
{
name: "Date Day",
cql: "Precision(@2014-01-01)",
wantResult: newOrFatal(t, 8),
},
{
name: "DateTime Hour",
cql: "Precision(@2014-01-01T10)",
wantResult: newOrFatal(t, 10),
},
{
name: "DateTime Minute",
cql: "Precision(@2014-01-01T10:10)",
wantResult: newOrFatal(t, 12),
},
{
name: "DateTime Second",
cql: "Precision(@2014-01-01T10:10:30)",
wantResult: newOrFatal(t, 14),
},
{
name: "DateTime Millisecond",
cql: "Precision(@2014-01-01T10:10:30.000Z)",
wantResult: newOrFatal(t, 17),
},
{
name: "Time Hour",
cql: "Precision(@T10)",
wantResult: newOrFatal(t, 2),
},
{
name: "Time Millisecond",
cql: "Precision(@T01:01:00.000)",
wantResult: newOrFatal(t, 9),
},
{
name: "Time Millisecond",
cql: "Precision(@2014-01-02T01:01:00.000Z)",
wantResult: newOrFatal(t, 17),
},
{
name: "Null",
cql: "Precision(null as Date)",
wantResult: newOrFatal(t, nil),
},
}
for _, tc := range tests {
t.Run(tc.name, func(t *testing.T) {
p := newFHIRParser(t)
parsedLibs, err := p.Libraries(context.Background(), wrapInLib(t, tc.cql), parser.Config{})
if err != nil {
t.Fatalf("Parse returned unexpected error: %v", err)
}
if diff := cmp.Diff(tc.wantModel, getTESTRESULTModel(t, parsedLibs)); tc.wantModel != nil && diff != "" {
t.Errorf("Parse diff (-want +got):\n%s", diff)
}
results, err := interpreter.Eval(context.Background(), parsedLibs, defaultInterpreterConfig(t, p))
if err != nil {
t.Fatalf("Eval returned unexpected error: %v", err)
}
if diff := cmp.Diff(tc.wantResult, getTESTRESULT(t, results), protocmp.Transform()); diff != "" {
t.Errorf("Eval diff (-want +got)\n%v", diff)
}
})
}
}
func TestAdd(t *testing.T) {
tests := []struct {
name string
cql string
wantModel model.IExpression
wantResult result.Value
}{
{
name: "Integers",
cql: "1 + 2",
wantResult: newOrFatal(t, 3),
},
{
name: "Longs",
cql: "1L + 2",
wantModel: &model.Add{
BinaryExpression: &model.BinaryExpression{
Operands: []model.IExpression{
model.NewLiteral("1L", types.Long),
&model.ToLong{
UnaryExpression: &model.UnaryExpression{
Expression: model.ResultType(types.Long),
Operand: model.NewLiteral("2", types.Integer),
},
},
},
Expression: model.ResultType(types.Long),
},
},
wantResult: newOrFatal(t, int64(3)),
},
{
name: "Decimals",
cql: "1.5 + 2",
wantResult: newOrFatal(t, 3.5),
},
{
name: "Quantity",
cql: "11 'day' + 9 'day'",
wantResult: newOrFatal(t, result.Quantity{Value: 20, Unit: model.DAYUNIT}),
},
{
name: "Quantity via class instances",
cql: "Quantity{value: 11, unit: 'day'} + 9 'day'",
wantResult: newOrFatal(t, result.Quantity{Value: 20, Unit: model.DAYUNIT}),
},
// Tests for Date and Quantity
// TODO(b/301606416): Add more tests for DateTime + Quantity
{
name: "Date Quantity",
cql: "@2014 + 1 'year'",
wantResult: newOrFatal(t, result.Date{Date: time.Date(2015, time.January, 1, 0, 0, 0, 0, defaultEvalTimestamp.Location()), Precision: model.YEAR}),
},
{
name: "Date month precision add year",
cql: "@2014-01 + 1 'year'",
wantModel: &model.Add{
BinaryExpression: &model.BinaryExpression{
Operands: []model.IExpression{
model.NewLiteral("@2014-01", types.Date),
&model.Quantity{Value: 1, Unit: model.YEARUNIT, Expression: model.ResultType(types.Quantity)},
},
Expression: model.ResultType(types.Date),
},
},
wantResult: newOrFatal(t, result.Date{Date: time.Date(2015, time.January, 1, 0, 0, 0, 0, defaultEvalTimestamp.Location()), Precision: model.MONTH}),
},
{
name: "Date year precision add month",
cql: "@2014 + 12 'month'",
wantResult: newOrFatal(t, result.Date{Date: time.Date(2015, time.January, 1, 0, 0, 0, 0, defaultEvalTimestamp.Location()), Precision: model.YEAR}),
},
{
name: "Date day precision add week to day precision",
cql: "@2014-01-01 + 2 'week'",
wantResult: newOrFatal(t, result.Date{Date: time.Date(2014, time.January, 15, 0, 0, 0, 0, defaultEvalTimestamp.Location()), Precision: model.DAY}),
},
{
name: "Date year precision add 1.6 year truncates to 1",
cql: "@2014-01-01 + 1.6 'year'",
wantResult: newOrFatal(t, result.Date{Date: time.Date(2015, time.January, 1, 0, 0, 0, 0, defaultEvalTimestamp.Location()), Precision: model.DAY}),
},
{
name: "Date year precision add 6 months truncates to 0",
cql: "@2014-01-01 + 6 'month'",
wantResult: newOrFatal(t, result.Date{Date: time.Date(2014, time.July, 1, 0, 0, 0, 0, defaultEvalTimestamp.Location()), Precision: model.DAY}),
},
{
name: "Date time millisecond precision add 1.6 second does not truncate",
cql: "@2014-01-01T00:00:00.000Z + 1.6 'second'",
wantResult: newOrFatal(t, result.DateTime{Date: time.Date(2014, time.January, 1, 0, 0, 1, 600_000_000, time.UTC), Precision: "millisecond"}),
},
// Tests for Nulls
{
name: "Integer Null",
cql: "1 + null",
wantModel: &model.Add{
BinaryExpression: &model.BinaryExpression{
Operands: []model.IExpression{
model.NewLiteral("1", types.Integer),
&model.As{
UnaryExpression: &model.UnaryExpression{
Expression: model.ResultType(types.Integer),
Operand: model.NewLiteral("null", types.Any),
},
AsTypeSpecifier: types.Integer,
},
},
Expression: model.ResultType(types.Integer),
},
},
wantResult: newOrFatal(t, nil),
},
{
name: "Null Integer",
cql: "null + 2",
wantResult: newOrFatal(t, nil),
},
{
name: "Long Null",
cql: "null + 2L",
wantResult: newOrFatal(t, nil),
},
{
name: "Null Long",
cql: "1L + null",
wantResult: newOrFatal(t, nil),
},
{
name: "Decimal Null",
cql: "1.5 + null",
wantResult: newOrFatal(t, nil),
},
{
name: "Null Decimal",
cql: "null + 1.5",
wantResult: newOrFatal(t, nil),
},
{
name: "Quantity Null",
cql: "11 'day' + null",
wantResult: newOrFatal(t, nil),
},
{
name: "Date Null",
cql: "@2014 + null",
wantResult: newOrFatal(t, nil),
},
{
name: "DateTime Null",
cql: "@2014-01-01T00:00:00.000Z + null",
wantResult: newOrFatal(t, nil),
},
}
for _, tc := range tests {
t.Run(tc.name, func(t *testing.T) {
p := newFHIRParser(t)
parsedLibs, err := p.Libraries(context.Background(), wrapInLib(t, tc.cql), parser.Config{})
if err != nil {
t.Fatalf("Parse returned unexpected error: %v", err)
}
if diff := cmp.Diff(tc.wantModel, getTESTRESULTModel(t, parsedLibs)); tc.wantModel != nil && diff != "" {
t.Errorf("Parse diff (-want +got):\n%s", diff)
}
results, err := interpreter.Eval(context.Background(), parsedLibs, defaultInterpreterConfig(t, p))
if err != nil {
t.Fatalf("Eval returned unexpected error: %v", err)
}
if diff := cmp.Diff(tc.wantResult, getTESTRESULT(t, results), protocmp.Transform()); diff != "" {
t.Errorf("Eval diff (-want +got)\n%v", diff)
}
})
}
}
func TestAdd_EvalErrors(t *testing.T) {
tests := []struct {
name string
cql string
wantModel model.IExpression
wantEvalErrContains string
}{
{
name: "Date month precision add day returns conversion error",
cql: "@2014-01 + 1 'day'",
wantEvalErrContains: "invalid unit conversion",
},
{
name: "Date month precision add week returns conversion error",
cql: "@2014-01 + 1 'week'",
wantEvalErrContains: "cannot convert from week to a higher precision",
},
{
name: "Date month precision add minutes returns conversion error",
cql: "@2014-01 + 1 'minute'",
wantEvalErrContains: "invalid unit conversion",
},
}
for _, tc := range tests {
t.Run(tc.name, func(t *testing.T) {
p := newFHIRParser(t)
parsedLibs, err := p.Libraries(context.Background(), wrapInLib(t, tc.cql), parser.Config{})
if err != nil {
t.Fatalf("Parse returned unexpected error: %v", err)
}
if diff := cmp.Diff(tc.wantModel, getTESTRESULTModel(t, parsedLibs)); tc.wantModel != nil && diff != "" {
t.Errorf("Parse diff (-want +got):\n%s", diff)
}
_, err = interpreter.Eval(context.Background(), parsedLibs, defaultInterpreterConfig(t, p))
if err == nil {
t.Fatalf("Evaluate Expression expected an error to be returned, got nil instead")
}
if !strings.Contains(err.Error(), tc.wantEvalErrContains) {
t.Errorf("Unexpected evaluation error contents got (%v) want (%v)", err.Error(), tc.wantEvalErrContains)
}
})
}
}
func TestSubtract(t *testing.T) {
tests := []struct {
name string
cql string
wantModel model.IExpression
wantResult result.Value
}{
{
name: "Integers",
cql: "1 - 2",
wantResult: newOrFatal(t, -1),
},
{
name: "Longs",
cql: "1L - 2",
wantModel: &model.Subtract{
BinaryExpression: &model.BinaryExpression{
Operands: []model.IExpression{
model.NewLiteral("1L", types.Long),
&model.ToLong{
UnaryExpression: &model.UnaryExpression{
Expression: model.ResultType(types.Long),
Operand: model.NewLiteral("2", types.Integer),
},
},
},
Expression: model.ResultType(types.Long),
},
},
wantResult: newOrFatal(t, int64(-1)),
},
{
name: "Decimals",
cql: "1 - 2.0",
wantResult: newOrFatal(t, -1.0),
},
{
name: "Quantity",
cql: "10.1 'day' - 1.1 'day'",
wantResult: newOrFatal(t, result.Quantity{Value: 9, Unit: model.DAYUNIT}),
},
// Tests for Date and Quantity
// TODO(b/301606416): Add more tests for DateTime + Quantity
{
name: "Date Quantity",
cql: "@2014 - 1 'year'",
wantResult: newOrFatal(t, result.Date{Date: time.Date(2013, time.January, 1, 0, 0, 0, 0, defaultEvalTimestamp.Location()), Precision: model.YEAR}),
},
}
for _, tc := range tests {
t.Run(tc.name, func(t *testing.T) {
p := newFHIRParser(t)
parsedLibs, err := p.Libraries(context.Background(), wrapInLib(t, tc.cql), parser.Config{})
if err != nil {
t.Fatalf("Parse returned unexpected error: %v", err)
}
if diff := cmp.Diff(tc.wantModel, getTESTRESULTModel(t, parsedLibs)); tc.wantModel != nil && diff != "" {
t.Errorf("Parse diff (-want +got):\n%s", diff)
}