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strings_test.go
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strings_test.go
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// Copyright 2020 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 ext
import (
"fmt"
"math"
"reflect"
"strings"
"testing"
"time"
"unicode/utf8"
"google.golang.org/protobuf/proto"
"github.com/google/cel-go/cel"
"github.com/google/cel-go/checker"
"github.com/google/cel-go/common/types"
"github.com/google/cel-go/common/types/ref"
proto3pb "github.com/google/cel-go/test/proto3pb"
)
// TODO: move these tests to a conformance test.
var stringTests = []struct {
expr string
err string
parseOnly bool
}{
// CharAt test.
{expr: `'tacocat'.charAt(3) == 'o'`},
{expr: `'tacocat'.charAt(7) == ''`},
{expr: `'©αT'.charAt(0) == '©' && '©αT'.charAt(1) == 'α' && '©αT'.charAt(2) == 'T'`},
// Index of search string tests.
{expr: `'tacocat'.indexOf('') == 0`},
{expr: `'tacocat'.indexOf('ac') == 1`},
{expr: `'tacocat'.indexOf('none') == -1`},
{expr: `'tacocat'.indexOf('', 3) == 3`},
{expr: `'tacocat'.indexOf('a', 3) == 5`},
{expr: `'tacocat'.indexOf('at', 3) == 5`},
{expr: `'ta©o©αT'.indexOf('©') == 2`},
{expr: `'ta©o©αT'.indexOf('©', 3) == 4`},
{expr: `'ta©o©αT'.indexOf('©αT', 3) == 4`},
{expr: `'ta©o©αT'.indexOf('©α', 5) == -1`},
{expr: `'ijk'.indexOf('k') == 2`},
{expr: `'hello wello'.indexOf('hello wello') == 0`},
{expr: `'hello wello'.indexOf('ello', 6) == 7`},
{expr: `'hello wello'.indexOf('elbo room!!') == -1`},
{expr: `'hello wello'.indexOf('elbo room!!!') == -1`},
{expr: `'tacocat'.lastIndexOf('') == 7`},
{expr: `'tacocat'.lastIndexOf('at') == 5`},
{expr: `'tacocat'.lastIndexOf('none') == -1`},
{expr: `'tacocat'.lastIndexOf('', 3) == 3`},
{expr: `'tacocat'.lastIndexOf('a', 3) == 1`},
{expr: `'ta©o©αT'.lastIndexOf('©') == 4`},
{expr: `'ta©o©αT'.lastIndexOf('©', 3) == 2`},
{expr: `'ta©o©αT'.lastIndexOf('©α', 4) == 4`},
{expr: `'hello wello'.lastIndexOf('ello', 6) == 1`},
{expr: `'hello wello'.lastIndexOf('low') == -1`},
{expr: `'hello wello'.lastIndexOf('elbo room!!') == -1`},
{expr: `'hello wello'.lastIndexOf('elbo room!!!') == -1`},
{expr: `'hello wello'.lastIndexOf('hello wello') == 0`},
{expr: `'bananananana'.lastIndexOf('nana', 7) == 6`},
// Lower ASCII tests.
{expr: `'TacoCat'.lowerAscii() == 'tacocat'`},
{expr: `'TacoCÆt'.lowerAscii() == 'tacocÆt'`},
{expr: `'TacoCÆt Xii'.lowerAscii() == 'tacocÆt xii'`},
// Replace tests
{expr: `"12 days 12 hours".replace("{0}", "2") == "12 days 12 hours"`},
{expr: `"{0} days {0} hours".replace("{0}", "2") == "2 days 2 hours"`},
{expr: `"{0} days {0} hours".replace("{0}", "2", 1).replace("{0}", "23") == "2 days 23 hours"`},
{expr: `"1 ©αT taco".replace("αT", "o©α") == "1 ©o©α taco"`},
{expr: `"hello hello".replace("", "_") == "_h_e_l_l_o_ _h_e_l_l_o_"`},
{expr: `"hello hello".replace("h", "") == "ello ello"`},
// Split tests.
{expr: `"hello world".split(" ") == ["hello", "world"]`},
{expr: `"hello world events!".split(" ", 0) == []`},
{expr: `"hello world events!".split(" ", 1) == ["hello world events!"]`},
{expr: `"o©o©o©o".split("©", -1) == ["o", "o", "o", "o"]`},
// Substring tests.
{expr: `"tacocat".substring(4) == "cat"`},
{expr: `"tacocat".substring(7) == ""`},
{expr: `"tacocat".substring(0, 4) == "taco"`},
{expr: `"tacocat".substring(4, 4) == ""`},
{expr: `'ta©o©αT'.substring(2, 6) == "©o©α"`},
{expr: `'ta©o©αT'.substring(7, 7) == ""`},
// Trim tests using the unicode standard for whitespace.
{expr: `" \f\n\r\t\vtext ".trim() == "text"`},
{expr: `"\u0085\u00a0\u1680text".trim() == "text"`},
{expr: `"text\u2000\u2001\u2002\u2003\u2004\u2004\u2006\u2007\u2008\u2009".trim() == "text"`},
{expr: `"\u200atext\u2028\u2029\u202F\u205F\u3000".trim() == "text"`},
// Trim test with whitespace-like characters not included.
{expr: `"\u180etext\u200b\u200c\u200d\u2060\ufeff".trim()
== "\u180etext\u200b\u200c\u200d\u2060\ufeff"`},
// Upper ASCII tests.
{expr: `'tacoCat'.upperAscii() == 'TACOCAT'`},
{expr: `'tacoCαt'.upperAscii() == 'TACOCαT'`},
// Reverse tests.
{expr: `'gums'.reverse() == 'smug'`},
{expr: `'palindromes'.reverse() == 'semordnilap'`},
{expr: `'John Smith'.reverse() == 'htimS nhoJ'`},
{expr: `'u180etext'.reverse() == 'txete081u'`},
{expr: `'2600+U'.reverse() == 'U+0062'`},
{expr: `'\u180e\u200b\u200c\u200d\u2060\ufeff'.reverse() == '\ufeff\u2060\u200d\u200c\u200b\u180e'`},
// Join tests.
{expr: `['x', 'y'].join() == 'xy'`},
{expr: `['x', 'y'].join('-') == 'x-y'`},
{expr: `[].join() == ''`},
{expr: `[].join('-') == ''`},
// Escaping tests.
{expr: `strings.quote("first\nsecond") == "\"first\\nsecond\""`},
{expr: `strings.quote("bell\a") == "\"bell\\a\""`},
{expr: `strings.quote("\bbackspace") == "\"\\bbackspace\""`},
{expr: `strings.quote("\fform feed") == "\"\\fform feed\""`},
{expr: `strings.quote("carriage \r return") == "\"carriage \\r return\""`},
{expr: `strings.quote("horizontal tab\t") == "\"horizontal tab\\t\""`},
{expr: `strings.quote("vertical \v tab") == "\"vertical \\v tab\""`},
{expr: `strings.quote("double \\\\ slash") == "\"double \\\\\\\\ slash\""`},
{expr: `strings.quote("two escape sequences \a\n") == "\"two escape sequences \\a\\n\""`},
{expr: `strings.quote("verbatim") == "\"verbatim\""`},
{expr: `strings.quote("ends with \\") == "\"ends with \\\\\""`},
{expr: `strings.quote("\\ starts with") == "\"\\\\ starts with\""`},
{expr: `strings.quote("printable unicode😀") == "\"printable unicode😀\""`},
{expr: `strings.quote("mid string \" quote") == "\"mid string \\\" quote\""`},
{expr: `strings.quote('single-quote with "double quote"') == "\"single-quote with \\\"double quote\\\"\""`},
{expr: `strings.quote("size('ÿ')") == "\"size('ÿ')\""`},
{expr: `strings.quote("size('πέντε')") == "\"size('πέντε')\""`},
{expr: `strings.quote("завтра") == "\"завтра\""`},
{expr: `strings.quote("\U0001F431\U0001F600\U0001F61B") == "\"\U0001F431\U0001F600\U0001F61B\""`},
{expr: `strings.quote("ta©o©αT") == "\"ta©o©αT\""`},
{expr: `strings.quote("") == "\"\""`},
// Format tests with a non-literal as the format string
{
expr: `strings.quote('%s %s').format(['hello', 'world']) == "\"hello world\""`,
},
// Error test cases based on checked expression usage.
{
expr: `'tacocat'.charAt(30) == ''`,
err: "index out of range: 30",
},
{expr: `'tacocat'.indexOf('a', 30) == -1`},
{
expr: `'tacocat'.lastIndexOf('a', -1) == -1`,
err: "index out of range: -1",
},
{expr: `'tacocat'.lastIndexOf('a', 30) == -1`},
{
expr: `"tacocat".substring(40) == "cat"`,
err: "index out of range: 40",
},
{
expr: `"tacocat".substring(-1) == "cat"`,
err: "index out of range: -1",
},
{
expr: `"tacocat".substring(1, 50) == "cat"`,
err: "index out of range: 50",
},
{
expr: `"tacocat".substring(49, 50) == "cat"`,
err: "index out of range: 49",
},
{
expr: `"tacocat".substring(4, 3) == ""`,
err: "invalid substring range. start: 4, end: 3",
},
// Valid parse-only expressions which should generate runtime errors.
{
expr: `42.charAt(2) == ""`,
err: "no such overload",
parseOnly: true,
},
{
expr: `'hello'.charAt(true) == ""`,
err: "no such overload",
parseOnly: true,
},
{
expr: `24.indexOf('2') == 0`,
err: "no such overload",
parseOnly: true,
},
{
expr: `'hello'.indexOf(true) == 1`,
err: "no such overload",
parseOnly: true,
},
{
expr: `42.indexOf('4', 0) == 0`,
err: "no such overload",
parseOnly: true,
},
{
expr: `'42'.indexOf(4, 0) == 0`,
err: "no such overload",
parseOnly: true,
},
{
expr: `'42'.indexOf('4', '0') == 0`,
err: "no such overload",
parseOnly: true,
},
{
expr: `'42'.indexOf('4', 0, 1) == 0`,
err: "no such overload",
parseOnly: true,
},
{
expr: `42.split("2") == ["4"]`,
err: "no such overload",
parseOnly: true,
},
{
expr: `42.replace(2, 1) == "41"`,
err: "no such overload",
parseOnly: true,
},
{
expr: `"42".replace(2, 1) == "41"`,
err: "no such overload",
parseOnly: true,
},
{
expr: `"42".replace("2", 1) == "41"`,
err: "no such overload",
parseOnly: true,
},
{
expr: `42.replace("2", "1", 1) == "41"`,
err: "no such overload",
parseOnly: true,
},
{
expr: `"42".replace(2, "1", 1) == "41"`,
err: "no such overload",
parseOnly: true,
},
{
expr: `"42".replace("2", 1, 1) == "41"`,
err: "no such overload",
parseOnly: true,
},
{
expr: `"42".replace("2", "1", "1") == "41"`,
err: "no such overload",
parseOnly: true,
},
{
expr: `"42".replace("2", "1", 1, false) == "41"`,
err: "no such overload",
parseOnly: true,
},
{
expr: `42.split("") == ["4", "2"]`,
err: "no such overload",
parseOnly: true,
},
{
expr: `"42".split(2) == ["4"]`,
err: "no such overload",
parseOnly: true,
},
{
expr: `42.split("2", "1") == ["4"]`,
err: "no such overload",
parseOnly: true,
},
{
expr: `"42".split(2, 1) == ["4"]`,
err: "no such overload",
parseOnly: true,
},
{
expr: `"42".split("2", "1") == ["4"]`,
err: "no such overload",
parseOnly: true,
},
{
expr: `"42".split("2", 1, 1) == ["4"]`,
err: "no such overload",
parseOnly: true,
},
{
expr: `'hello'.substring(1, 2, 3) == ""`,
err: "no such overload",
parseOnly: true,
},
{
expr: `30.substring(true, 3) == ""`,
err: "no such overload",
parseOnly: true,
},
{
expr: `"tacocat".substring(true, 3) == ""`,
err: "no such overload",
parseOnly: true,
},
{
expr: `"tacocat".substring(0, false) == ""`,
err: "no such overload",
parseOnly: true,
},
}
func TestStrings(t *testing.T) {
env, err := cel.NewEnv(Strings())
if err != nil {
t.Fatalf("cel.NewEnv(Strings()) failed: %v", err)
}
for i, tst := range stringTests {
tc := tst
t.Run(fmt.Sprintf("[%d]", i), func(t *testing.T) {
var asts []*cel.Ast
pAst, iss := env.Parse(tc.expr)
if iss.Err() != nil {
t.Fatalf("env.Parse(%v) failed: %v", tc.expr, iss.Err())
}
asts = append(asts, pAst)
if !tc.parseOnly {
cAst, iss := env.Check(pAst)
if iss.Err() != nil {
t.Fatalf("env.Check(%v) failed: %v", tc.expr, iss.Err())
}
asts = append(asts, cAst)
}
for _, ast := range asts {
prg, err := env.Program(ast)
if err != nil {
t.Fatal(err)
}
out, _, err := prg.Eval(cel.NoVars())
if tc.err != "" {
if err == nil {
t.Fatalf("got value %v, wanted error %s for expr: %s",
out.Value(), tc.err, tc.expr)
}
if !strings.Contains(err.Error(), tc.err) {
t.Errorf("got %q, expected error to contain %q for expr: %s", err, tc.err, tc.expr)
}
} else if err != nil {
t.Fatal(err)
} else if out.Value() != true {
t.Errorf("got %v, wanted true for expr: %s", out.Value(), tc.expr)
}
}
})
}
}
func TestStringsVersions(t *testing.T) {
versionCases := []struct {
version uint32
supportedFunctions map[string]string
}{
{
version: 0,
supportedFunctions: map[string]string{
"chatAt": "''.charAt(0) == ''",
"indexOf": "'a'.indexOf('a') == 0",
"lastIndexOf": "'a'.lastIndexOf('a') == 0",
"join": "['a', 'b'].join() == 'ab'",
"joinSep": "['a', 'b'].join('-') == 'a-b'",
"lowerAscii": "'a'.lowerAscii() == 'a'",
"replace": "'hello hello'.replace('he', 'we') == 'wello wello'",
"split": "'hello hello hello'.split(' ') == ['hello', 'hello', 'hello']",
"substring": "'tacocat'.substring(4) == 'cat'",
"trim": "' \\ttrim\\n '.trim() == 'trim'",
"upperAscii": "'TacoCat'.upperAscii() == 'TACOCAT'",
},
},
{
version: 1,
supportedFunctions: map[string]string{
"format": "'a %d'.format([1]) == 'a 1'",
"quote": `strings.quote('\a \b "double quotes"') == '"\\a \\b \\"double quotes\\""'`,
},
},
{
version: 3,
supportedFunctions: map[string]string{
"reverse": "'taco'.reverse() == 'ocat'",
},
},
}
for _, lib := range versionCases {
env, err := cel.NewEnv(Strings(StringsVersion(lib.version)))
if err != nil {
t.Fatalf("cel.NewEnv(Strings(StringsVersion(%d))) failed: %v", lib.version, err)
}
t.Run(fmt.Sprintf("version=%d", lib.version), func(t *testing.T) {
for _, tc := range versionCases {
for name, expr := range tc.supportedFunctions {
supported := lib.version >= tc.version
t.Run(fmt.Sprintf("%s-supported=%t", name, supported), func(t *testing.T) {
ast, iss := env.Compile(expr)
if supported {
if iss.Err() != nil {
t.Errorf("unexpected error: %v", iss.Err())
}
} else {
if iss.Err() == nil || !strings.Contains(iss.Err().Error(), "undeclared reference") {
t.Errorf("got error %v, wanted error %s for expr: %s, version: %d", iss.Err(), "undeclared reference", expr, tc.version)
}
return
}
prg, err := env.Program(ast)
if err != nil {
t.Fatalf("env.Program() failed: %v", err)
}
out, _, err := prg.Eval(cel.NoVars())
if err != nil {
t.Fatalf("prg.Eval() failed: %v", err)
}
if out != types.True {
t.Errorf("prg.Eval() got %v, wanted true", out)
}
})
}
}
})
}
}
func TestStringsWithExtension(t *testing.T) {
env, err := cel.NewEnv(Strings())
if err != nil {
t.Fatalf("cel.NewEnv(Strings()) failed: %v", err)
}
_, err = env.Extend(Strings())
if err != nil {
t.Fatalf("env.Extend(Strings()) failed: %v", err)
}
}
func TestStringFormat(t *testing.T) {
tests := []struct {
name string
format string
dynArgs map[string]any
formatArgs string
locale string
err string
expectedOutput string
expectedRuntimeCost uint64
expectedEstimatedCost checker.CostEstimate
skipCompileCheck bool
}{
{
name: "no-op",
format: "no substitution",
expectedOutput: "no substitution",
expectedRuntimeCost: 12,
expectedEstimatedCost: checker.CostEstimate{Min: 12, Max: 12},
},
{
name: "mid-string substitution",
format: "str is %s and some more",
formatArgs: `"filler"`,
expectedOutput: "str is filler and some more",
expectedRuntimeCost: 13,
expectedEstimatedCost: checker.CostEstimate{Min: 13, Max: 13},
},
{
name: "percent escaping",
format: "%% and also %%",
expectedOutput: "% and also %",
expectedRuntimeCost: 12,
expectedEstimatedCost: checker.CostEstimate{Min: 12, Max: 12},
},
{
name: "substution inside escaped percent signs",
format: "%%%s%%",
formatArgs: `"text"`,
expectedOutput: "%text%",
expectedRuntimeCost: 11,
expectedEstimatedCost: checker.CostEstimate{Min: 11, Max: 11},
},
{
name: "substitution with one escaped percent sign on the right",
format: "%s%%",
formatArgs: `"percent on the right"`,
expectedOutput: "percent on the right%",
expectedRuntimeCost: 11,
expectedEstimatedCost: checker.CostEstimate{Min: 11, Max: 11},
},
{
name: "substitution with one escaped percent sign on the left",
format: "%%%s",
formatArgs: `"percent on the left"`,
expectedOutput: "%percent on the left",
expectedRuntimeCost: 11,
expectedEstimatedCost: checker.CostEstimate{Min: 11, Max: 11},
},
{
name: "multiple substitutions",
format: "%d %d %d, %s %s %s, %d %d %d, %s %s %s",
formatArgs: `1, 2, 3, "A", "B", "C", 4, 5, 6, "D", "E", "F"`,
expectedOutput: "1 2 3, A B C, 4 5 6, D E F",
expectedRuntimeCost: 14,
expectedEstimatedCost: checker.CostEstimate{Min: 14, Max: 14},
},
{
name: "percent sign escape sequence support",
format: "\u0025\u0025escaped \u0025s\u0025\u0025",
formatArgs: `"percent"`,
expectedOutput: "%escaped percent%",
expectedRuntimeCost: 12,
expectedEstimatedCost: checker.CostEstimate{Min: 12, Max: 12},
},
{
name: "fixed point formatting clause",
format: "%.3f",
formatArgs: "1.2345",
expectedOutput: "1.234",
expectedRuntimeCost: 11,
expectedEstimatedCost: checker.CostEstimate{Min: 11, Max: 11},
locale: "en_US",
},
{
name: "binary formatting clause",
format: "this is 5 in binary: %b",
formatArgs: "5",
expectedOutput: "this is 5 in binary: 101",
expectedRuntimeCost: 13,
expectedEstimatedCost: checker.CostEstimate{Min: 13, Max: 13},
},
{
name: "uint support for binary formatting",
format: "unsigned 64 in binary: %b",
formatArgs: "uint(64)",
expectedOutput: "unsigned 64 in binary: 1000000",
expectedRuntimeCost: 14,
expectedEstimatedCost: checker.CostEstimate{Min: 14, Max: 14},
},
{
name: "bool support for binary formatting",
format: "bit set from bool: %b",
formatArgs: "true",
expectedOutput: "bit set from bool: 1",
expectedRuntimeCost: 13,
expectedEstimatedCost: checker.CostEstimate{Min: 13, Max: 13},
},
{
name: "octal formatting clause",
format: "%o",
formatArgs: "11",
expectedOutput: "13",
expectedRuntimeCost: 11,
expectedEstimatedCost: checker.CostEstimate{Min: 11, Max: 11},
},
{
name: "uint support for octal formatting clause",
format: "this is an unsigned octal: %o",
formatArgs: "uint(65535)",
expectedOutput: "this is an unsigned octal: 177777",
expectedRuntimeCost: 14,
expectedEstimatedCost: checker.CostEstimate{Min: 14, Max: 14},
},
{
name: "lowercase hexadecimal formatting clause",
format: "%x is 20 in hexadecimal",
formatArgs: "30",
expectedOutput: "1e is 20 in hexadecimal",
expectedRuntimeCost: 13,
expectedEstimatedCost: checker.CostEstimate{Min: 13, Max: 13},
},
{
name: "uppercase hexadecimal formatting clause",
format: "%X is 20 in hexadecimal",
formatArgs: "30",
expectedOutput: "1E is 20 in hexadecimal",
expectedRuntimeCost: 13,
expectedEstimatedCost: checker.CostEstimate{Min: 13, Max: 13},
},
{
name: "unsigned support for hexadecimal formatting clause",
format: "%X is 6000 in hexadecimal",
formatArgs: "uint(6000)",
expectedOutput: "1770 is 6000 in hexadecimal",
expectedRuntimeCost: 14,
expectedEstimatedCost: checker.CostEstimate{Min: 14, Max: 14},
},
{
name: "string support with hexadecimal formatting clause",
format: "%x",
formatArgs: `"Hello world!"`,
expectedOutput: "48656c6c6f20776f726c6421",
expectedRuntimeCost: 11,
expectedEstimatedCost: checker.CostEstimate{Min: 11, Max: 11},
},
{
name: "string support with uppercase hexadecimal formatting clause",
format: "%X",
formatArgs: `"Hello world!"`,
expectedOutput: "48656C6C6F20776F726C6421",
expectedRuntimeCost: 11,
expectedEstimatedCost: checker.CostEstimate{Min: 11, Max: 11},
},
{
name: "byte support with hexadecimal formatting clause",
format: "%x",
formatArgs: `b"byte string"`,
expectedOutput: "6279746520737472696e67",
expectedRuntimeCost: 11,
expectedEstimatedCost: checker.CostEstimate{Min: 11, Max: 11},
},
{
name: "byte support with uppercase hexadecimal formatting clause",
format: "%X",
formatArgs: `b"byte string"`,
expectedOutput: "6279746520737472696E67",
expectedRuntimeCost: 11,
expectedEstimatedCost: checker.CostEstimate{Min: 11, Max: 11},
},
{
name: "scientific notation formatting clause",
format: "%.6e",
formatArgs: "1052.032911275",
expectedOutput: "1.052033\u202f\u00d7\u202f10\u2070\u00b3",
expectedRuntimeCost: 11,
expectedEstimatedCost: checker.CostEstimate{Min: 11, Max: 11},
locale: "en_US",
},
{
name: "locale support",
format: "%.3f",
formatArgs: "3.14",
locale: "fr_FR",
expectedOutput: "3,140",
expectedRuntimeCost: 11,
expectedEstimatedCost: checker.CostEstimate{Min: 11, Max: 11},
},
{
name: "default precision for fixed-point clause",
format: "%f",
formatArgs: "2.71828",
expectedOutput: "2.718280",
expectedRuntimeCost: 11,
expectedEstimatedCost: checker.CostEstimate{Min: 11, Max: 11},
locale: "en_US",
},
{
name: "default precision for scientific notation",
format: "%e",
formatArgs: "2.71828",
expectedOutput: "2.718280\u202f\u00d7\u202f10\u2070\u2070",
expectedRuntimeCost: 11,
expectedEstimatedCost: checker.CostEstimate{Min: 11, Max: 11},
locale: "en_US",
},
{
name: "unicode output for scientific notation",
format: "unescaped unicode: %e, escaped unicode: %e",
formatArgs: "2.71828, 2.71828",
expectedOutput: "unescaped unicode: 2.718280 × 10⁰⁰, escaped unicode: 2.718280\u202f\u00d7\u202f10\u2070\u2070",
expectedRuntimeCost: 15,
expectedEstimatedCost: checker.CostEstimate{Min: 15, Max: 15},
locale: "en_US",
},
{
name: "NaN support for fixed-point",
format: "%f",
formatArgs: `"NaN"`,
expectedOutput: "NaN",
expectedRuntimeCost: 11,
expectedEstimatedCost: checker.CostEstimate{Min: 11, Max: 11},
locale: "en_US",
},
{
name: "positive infinity support for fixed-point",
format: "%f",
formatArgs: `"Infinity"`,
expectedOutput: "∞",
expectedRuntimeCost: 11,
expectedEstimatedCost: checker.CostEstimate{Min: 11, Max: 11},
locale: "en_US",
},
{
name: "negative infinity support for fixed-point",
format: "%f",
formatArgs: `"-Infinity"`,
expectedOutput: "-∞",
expectedRuntimeCost: 11,
expectedEstimatedCost: checker.CostEstimate{Min: 11, Max: 11},
locale: "en_US",
},
{
name: "uint support for decimal clause",
format: "%d",
formatArgs: "uint(64)",
expectedOutput: "64",
expectedRuntimeCost: 12,
expectedEstimatedCost: checker.CostEstimate{Min: 12, Max: 12},
},
{
name: "null support for string",
format: "null: %s",
formatArgs: "null",
expectedOutput: "null: null",
expectedRuntimeCost: 11,
expectedEstimatedCost: checker.CostEstimate{Min: 11, Max: 11},
},
{
name: "int support for string",
format: "%s",
formatArgs: `999999999999`,
expectedOutput: "999999999999",
expectedRuntimeCost: 11,
expectedEstimatedCost: checker.CostEstimate{Min: 11, Max: 11},
},
{
name: "bytes support for string",
format: "some bytes: %s",
formatArgs: `b"xyz"`,
expectedOutput: "some bytes: xyz",
expectedRuntimeCost: 12,
expectedEstimatedCost: checker.CostEstimate{Min: 12, Max: 12},
},
{
name: "type() support for string",
format: "type is %s",
formatArgs: `type("test string")`,
expectedOutput: "type is string",
expectedRuntimeCost: 12,
expectedEstimatedCost: checker.CostEstimate{Min: 12, Max: 12},
},
{
name: "timestamp support for string",
format: "%s",
formatArgs: `timestamp("2023-02-03T23:31:20+00:00")`,
expectedOutput: "2023-02-03T23:31:20Z",
expectedRuntimeCost: 12,
expectedEstimatedCost: checker.CostEstimate{Min: 12, Max: 12},
},
{
name: "duration support for string",
format: "%s",
formatArgs: `duration("1h45m47s")`,
expectedOutput: "6347s",
expectedRuntimeCost: 12,
expectedEstimatedCost: checker.CostEstimate{Min: 12, Max: 12},
},
{
name: "list support for string",
format: "%s",
formatArgs: `["abc", 3.14, null, [9, 8, 7, 6], timestamp("2023-02-03T23:31:20Z")]`,
expectedOutput: `["abc", 3.140000, null, [9, 8, 7, 6], timestamp("2023-02-03T23:31:20Z")]`,
expectedRuntimeCost: 32,
expectedEstimatedCost: checker.CostEstimate{Min: 32, Max: 32},
},
{
name: "map support for string",
format: "%s",
formatArgs: `{"key1": b"xyz", "key5": null, "key2": duration("2h"), "key4": true, "key3": 2.71828}`,
locale: "nl_NL",
expectedOutput: `{"key1":b"xyz", "key2":duration("7200s"), "key3":2.718280, "key4":true, "key5":null}`,
expectedRuntimeCost: 42,
expectedEstimatedCost: checker.CostEstimate{Min: 42, Max: 42},
},
{
name: "map support (all key types)",
format: "map with multiple key types: %s",
formatArgs: `{1: "value1", uint(2): "value2", true: double("NaN")}`,
expectedOutput: `map with multiple key types: {1:"value1", 2:"value2", true:"NaN"}`,
expectedRuntimeCost: 46,
expectedEstimatedCost: checker.CostEstimate{Min: 46, Max: 46},
},
{
name: "boolean support for %s",
format: "true bool: %s, false bool: %s",
formatArgs: `true, false`,
expectedOutput: "true bool: true, false bool: false",
expectedRuntimeCost: 13,
expectedEstimatedCost: checker.CostEstimate{Min: 13, Max: 13},
},
{
name: "dyntype support for string formatting clause",
format: "dynamic string: %s",
formatArgs: `dynStr`,
dynArgs: map[string]any{
"dynStr": "a string",
},
expectedOutput: "dynamic string: a string",
expectedRuntimeCost: 13,
expectedEstimatedCost: checker.CostEstimate{Min: 13, Max: 13},
},
{
name: "dyntype support for numbers with string formatting clause",
format: "dynIntStr: %s dynDoubleStr: %s",
formatArgs: `dynIntStr, dynDoubleStr`,
dynArgs: map[string]any{
"dynIntStr": 32,
"dynDoubleStr": 56.8,
},
expectedOutput: "dynIntStr: 32 dynDoubleStr: 56.8",
expectedRuntimeCost: 15,
expectedEstimatedCost: checker.CostEstimate{Min: 15, Max: 15},
locale: "en_US",
},
{
name: "dyntype support for integer formatting clause",
format: "dynamic int: %d",
formatArgs: `dynInt`,
dynArgs: map[string]any{
"dynInt": 128,
},
expectedOutput: "dynamic int: 128",
expectedRuntimeCost: 13,
expectedEstimatedCost: checker.CostEstimate{Min: 13, Max: 13},
},
{
name: "dyntype support for integer formatting clause (unsigned)",
format: "dynamic unsigned int: %d",
formatArgs: `dynUnsignedInt`,
dynArgs: map[string]any{
"dynUnsignedInt": uint64(256),
},
expectedOutput: "dynamic unsigned int: 256",
expectedRuntimeCost: 14,
expectedEstimatedCost: checker.CostEstimate{Min: 14, Max: 14},
},
{
name: "dyntype support for hex formatting clause",
format: "dynamic hex int: %x",
formatArgs: `dynHexInt`,
dynArgs: map[string]any{
"dynHexInt": 22,
},
expectedOutput: "dynamic hex int: 16",
expectedRuntimeCost: 13,
expectedEstimatedCost: checker.CostEstimate{Min: 13, Max: 13},
},
{
name: "dyntype support for hex formatting clause (uppercase)",
format: "dynamic hex int: %X (uppercase)",
formatArgs: `dynHexInt`,
dynArgs: map[string]any{
"dynHexInt": 26,
},
expectedOutput: "dynamic hex int: 1A (uppercase)",
expectedRuntimeCost: 15,
expectedEstimatedCost: checker.CostEstimate{Min: 15, Max: 15},
},
{
name: "dyntype support for unsigned hex formatting clause",
format: "dynamic hex int: %x (unsigned)",
formatArgs: `dynUnsignedHexInt`,
dynArgs: map[string]any{
"dynUnsignedHexInt": uint(500),
},
expectedOutput: "dynamic hex int: 1f4 (unsigned)",
expectedRuntimeCost: 14,
expectedEstimatedCost: checker.CostEstimate{Min: 14, Max: 14},
},
{
name: "dyntype support for fixed-point formatting clause",
format: "dynamic double: %.3f",
formatArgs: `dynDouble`,
dynArgs: map[string]any{
"dynDouble": 4.5,
},
expectedOutput: "dynamic double: 4.500",
expectedRuntimeCost: 13,
expectedEstimatedCost: checker.CostEstimate{Min: 13, Max: 13},
locale: "en_US",
},
{
name: "dyntype support for fixed-point formatting clause (comma separator locale)",
format: "dynamic double: %f",
formatArgs: `dynDouble`,
dynArgs: map[string]any{
"dynDouble": 4.5,
},
expectedOutput: "dynamic double: 4,500000",
expectedRuntimeCost: 13,
expectedEstimatedCost: checker.CostEstimate{Min: 13, Max: 13},
locale: "fr_FR",
},
{
name: "dyntype support for scientific notation",
format: "(dyntype) e: %e",
formatArgs: "dynE",
dynArgs: map[string]any{
"dynE": 2.71828,
},
expectedOutput: "(dyntype) e: 2.718280\u202f\u00d7\u202f10\u2070\u2070",
expectedRuntimeCost: 13,
expectedEstimatedCost: checker.CostEstimate{Min: 13, Max: 13},
locale: "en_US",
},
{
name: "dyntype NaN/infinity support for fixed-point",
format: "NaN: %f, infinity: %f",
formatArgs: `dynNaN, dynInf`,
dynArgs: map[string]any{
"dynNaN": math.NaN(),
"dynInf": math.Inf(1),
},
expectedOutput: "NaN: NaN, infinity: ∞",
expectedRuntimeCost: 15,
expectedEstimatedCost: checker.CostEstimate{Min: 15, Max: 15},
},
{
name: "dyntype support for timestamp",
format: "dyntype timestamp: %s",
formatArgs: `dynTime`,
dynArgs: map[string]any{
"dynTime": time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC),
},
expectedOutput: "dyntype timestamp: 2009-11-10T23:00:00Z",
expectedRuntimeCost: 14,
expectedEstimatedCost: checker.CostEstimate{Min: 14, Max: 14},
},
{
name: "dyntype support for duration",
format: "dyntype duration: %s",
formatArgs: `dynDuration`,
dynArgs: map[string]any{
"dynDuration": mustParseDuration("2h25m47s"),
},
expectedOutput: "dyntype duration: 8747s",
expectedRuntimeCost: 13,
expectedEstimatedCost: checker.CostEstimate{Min: 13, Max: 13},
},
{
name: "dyntype support for lists",
format: "dyntype list: %s",
formatArgs: `dynList`,
dynArgs: map[string]any{
"dynList": []any{6, 4.2, "a string"},
},
expectedOutput: `dyntype list: [6, 4.200000, "a string"]`,
expectedRuntimeCost: 13,
expectedEstimatedCost: checker.CostEstimate{Min: 13, Max: 13},
},
{
name: "dyntype support for maps",
format: "dyntype map: %s",
formatArgs: `dynMap`,
dynArgs: map[string]any{
"dynMap": map[any]any{
"strKey": "x",
true: 42,
int64(6): mustParseDuration("7m2s"),
},
},
expectedOutput: `dyntype map: {"strKey":"x", 6:duration("422s"), true:42}`,
expectedRuntimeCost: 13,
expectedEstimatedCost: checker.CostEstimate{Min: 13, Max: 13},
},
{
name: "message field support",
format: "message field msg.single_int32: %d, msg.single_double: %.1f",
formatArgs: `msg.single_int32, msg.single_double`,
dynArgs: map[string]any{
"msg": &proto3pb.TestAllTypes{
SingleInt32: 2,
SingleDouble: 1.0,
},
},
locale: "en_US",
expectedOutput: `message field msg.single_int32: 2, msg.single_double: 1.0`,
},
{
name: "unrecognized formatting clause",
format: "%a",
formatArgs: "1",
skipCompileCheck: true,
err: "could not parse formatting clause: unrecognized formatting clause \"a\"",
},
{
name: "out of bounds arg index",
format: "%d %d %d",
formatArgs: "0, 1",
skipCompileCheck: true,
err: "index 2 out of range",
},
{
name: "string substitution is not allowed with binary clause",
format: "string is %b",
formatArgs: `"abc"`,
skipCompileCheck: true,
err: "error during formatting: only integers and bools can be formatted as binary, was given string",
},
{
name: "duration substitution not allowed with decimal clause",
format: "%d",