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Refactor parsing of shard index/count in cmdline handling 

This worsens the message for negative numbers a bit, but
simplifies the code enough that this is still a win.
This commit is contained in:
Martin Hořeňovský 2022-10-23 00:09:17 +02:00
parent f1361ef624
commit a43f67962e
No known key found for this signature in database
GPG Key ID: DE48307B8B0D381A
10 changed files with 65 additions and 76 deletions
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46
src/catch2/internal/catch_commandline.cpp
View File

@ -7,7 +7,6 @@
// SPDX-License-Identifier: BSL-1.0
#include <catch2/internal/catch_commandline.hpp>
#include <catch2/internal/catch_compiler_capabilities.hpp>
#include <catch2/catch_config.hpp>
#include <catch2/internal/catch_string_manip.hpp>
#include <catch2/interfaces/catch_interfaces_registry_hub.hpp>
@ -177,42 +176,29 @@ namespace Catch {
return ParserResult::ok( ParseResultType::Matched );
};
auto const setShardCount = [&]( std::string const& shardCount ) {
CATCH_TRY{
std::size_t parsedTo = 0;
int64_t parsedCount = std::stoll(shardCount, &parsedTo, 0);
if (parsedTo != shardCount.size()) {
return ParserResult::runtimeError("Could not parse '" + shardCount + "' as shard count");
}
if (parsedCount <= 0) {
return ParserResult::runtimeError("Shard count must be a positive number");
}
config.shardCount = static_cast<unsigned int>(parsedCount);
return ParserResult::ok(ParseResultType::Matched);
} CATCH_CATCH_ANON(std::exception const&) {
return ParserResult::runtimeError("Could not parse '" + shardCount + "' as shard count");
auto parsedCount = parseUInt( shardCount );
if ( !parsedCount ) {
return ParserResult::runtimeError(
"Could not parse '" + shardCount + "' as shard count" );
}
if ( *parsedCount == 0 ) {
return ParserResult::runtimeError(
"Shard count must be positive" );
}
config.shardCount = *parsedCount;
return ParserResult::ok( ParseResultType::Matched );
};
auto const setShardIndex = [&](std::string const& shardIndex) {
CATCH_TRY{
std::size_t parsedTo = 0;
int64_t parsedIndex = std::stoll(shardIndex, &parsedTo, 0);
if (parsedTo != shardIndex.size()) {
return ParserResult::runtimeError("Could not parse '" + shardIndex + "' as shard index");
}
if (parsedIndex < 0) {
return ParserResult::runtimeError("Shard index must be a non-negative number");
}
config.shardIndex = static_cast<unsigned int>(parsedIndex);
return ParserResult::ok(ParseResultType::Matched);
} CATCH_CATCH_ANON(std::exception const&) {
return ParserResult::runtimeError("Could not parse '" + shardIndex + "' as shard index");
auto parsedIndex = parseUInt( shardIndex );
if ( !parsedIndex ) {
return ParserResult::runtimeError(
"Could not parse '" + shardIndex + "' as shard index" );
}
config.shardIndex = *parsedIndex;
return ParserResult::ok( ParseResultType::Matched );
};
auto cli
= ExeName( config.processName )
| Help( config.showHelp )

6
tests/SelfTest/Baselines/compact.sw.approved.txt
View File

@ -1287,13 +1287,13 @@ TestSpecParser.tests.cpp:<line number>: passed: spec.matches( testCase ) for: tr
CmdLine.tests.cpp:<line number>: passed: cli.parse({ "test", "--shard-count=8" }) for: {?}
CmdLine.tests.cpp:<line number>: passed: config.shardCount == 8 for: 8 == 8
CmdLine.tests.cpp:<line number>: passed: !(result) for: !{?}
CmdLine.tests.cpp:<line number>: passed: result.errorMessage(), ContainsSubstring("Shard count must be a positive number") for: "Shard count must be a positive number" contains: "Shard count must be a positive number"
CmdLine.tests.cpp:<line number>: passed: result.errorMessage(), ContainsSubstring( "Could not parse '-1' as shard count" ) for: "Could not parse '-1' as shard count" contains: "Could not parse '-1' as shard count"
CmdLine.tests.cpp:<line number>: passed: !(result) for: !{?}
CmdLine.tests.cpp:<line number>: passed: result.errorMessage(), ContainsSubstring("Shard count must be a positive number") for: "Shard count must be a positive number" contains: "Shard count must be a positive number"
CmdLine.tests.cpp:<line number>: passed: result.errorMessage(), ContainsSubstring( "Shard count must be positive" ) for: "Shard count must be positive" contains: "Shard count must be positive"
CmdLine.tests.cpp:<line number>: passed: cli.parse({ "test", "--shard-index=2" }) for: {?}
CmdLine.tests.cpp:<line number>: passed: config.shardIndex == 2 for: 2 == 2
CmdLine.tests.cpp:<line number>: passed: !(result) for: !{?}
CmdLine.tests.cpp:<line number>: passed: result.errorMessage(), ContainsSubstring("Shard index must be a non-negative number") for: "Shard index must be a non-negative number" contains: "Shard index must be a non-negative number"
CmdLine.tests.cpp:<line number>: passed: result.errorMessage(), ContainsSubstring( "Could not parse '-12' as shard index" ) for: "Could not parse '-12' as shard index" contains: "Could not parse '-12' as shard index"
CmdLine.tests.cpp:<line number>: passed: cli.parse({ "test", "--shard-index=0" }) for: {?}
CmdLine.tests.cpp:<line number>: passed: config.shardIndex == 0 for: 0 == 0
TestSpecParser.tests.cpp:<line number>: passed: spec.hasFilters() for: true with 1 message: 'tagString := "[tag with spaces]"'

6
tests/SelfTest/Baselines/compact.sw.multi.approved.txt
View File

@ -1285,13 +1285,13 @@ TestSpecParser.tests.cpp:<line number>: passed: spec.matches( testCase ) for: tr
CmdLine.tests.cpp:<line number>: passed: cli.parse({ "test", "--shard-count=8" }) for: {?}
CmdLine.tests.cpp:<line number>: passed: config.shardCount == 8 for: 8 == 8
CmdLine.tests.cpp:<line number>: passed: !(result) for: !{?}
CmdLine.tests.cpp:<line number>: passed: result.errorMessage(), ContainsSubstring("Shard count must be a positive number") for: "Shard count must be a positive number" contains: "Shard count must be a positive number"
CmdLine.tests.cpp:<line number>: passed: result.errorMessage(), ContainsSubstring( "Could not parse '-1' as shard count" ) for: "Could not parse '-1' as shard count" contains: "Could not parse '-1' as shard count"
CmdLine.tests.cpp:<line number>: passed: !(result) for: !{?}
CmdLine.tests.cpp:<line number>: passed: result.errorMessage(), ContainsSubstring("Shard count must be a positive number") for: "Shard count must be a positive number" contains: "Shard count must be a positive number"
CmdLine.tests.cpp:<line number>: passed: result.errorMessage(), ContainsSubstring( "Shard count must be positive" ) for: "Shard count must be positive" contains: "Shard count must be positive"
CmdLine.tests.cpp:<line number>: passed: cli.parse({ "test", "--shard-index=2" }) for: {?}
CmdLine.tests.cpp:<line number>: passed: config.shardIndex == 2 for: 2 == 2
CmdLine.tests.cpp:<line number>: passed: !(result) for: !{?}
CmdLine.tests.cpp:<line number>: passed: result.errorMessage(), ContainsSubstring("Shard index must be a non-negative number") for: "Shard index must be a non-negative number" contains: "Shard index must be a non-negative number"
CmdLine.tests.cpp:<line number>: passed: result.errorMessage(), ContainsSubstring( "Could not parse '-12' as shard index" ) for: "Could not parse '-12' as shard index" contains: "Could not parse '-12' as shard index"
CmdLine.tests.cpp:<line number>: passed: cli.parse({ "test", "--shard-index=0" }) for: {?}
CmdLine.tests.cpp:<line number>: passed: config.shardIndex == 0 for: 0 == 0
TestSpecParser.tests.cpp:<line number>: passed: spec.hasFilters() for: true with 1 message: 'tagString := "[tag with spaces]"'

17
tests/SelfTest/Baselines/console.sw.approved.txt
View File

@ -9175,10 +9175,10 @@ with expansion:
!{?}
CmdLine.tests.cpp:<line number>: PASSED:
REQUIRE_THAT( result.errorMessage(), ContainsSubstring("Shard count must be a positive number") )
REQUIRE_THAT( result.errorMessage(), ContainsSubstring( "Could not parse '-1' as shard count" ) )
with expansion:
"Shard count must be a positive number" contains: "Shard count must be a
positive number"
"Could not parse '-1' as shard count" contains: "Could not parse '-1' as
shard count"
-------------------------------------------------------------------------------
Parsing sharding-related cli flags
@ -9193,10 +9193,9 @@ with expansion:
!{?}
CmdLine.tests.cpp:<line number>: PASSED:
REQUIRE_THAT( result.errorMessage(), ContainsSubstring("Shard count must be a positive number") )
REQUIRE_THAT( result.errorMessage(), ContainsSubstring( "Shard count must be positive" ) )
with expansion:
"Shard count must be a positive number" contains: "Shard count must be a
positive number"
"Shard count must be positive" contains: "Shard count must be positive"
-------------------------------------------------------------------------------
Parsing sharding-related cli flags
@ -9228,10 +9227,10 @@ with expansion:
!{?}
CmdLine.tests.cpp:<line number>: PASSED:
REQUIRE_THAT( result.errorMessage(), ContainsSubstring("Shard index must be a non-negative number") )
REQUIRE_THAT( result.errorMessage(), ContainsSubstring( "Could not parse '-12' as shard index" ) )
with expansion:
"Shard index must be a non-negative number" contains: "Shard index must be a
non-negative number"
"Could not parse '-12' as shard index" contains: "Could not parse '-12' as
shard index"
-------------------------------------------------------------------------------
Parsing sharding-related cli flags

17
tests/SelfTest/Baselines/console.sw.multi.approved.txt
View File

@ -9173,10 +9173,10 @@ with expansion:
!{?}
CmdLine.tests.cpp:<line number>: PASSED:
REQUIRE_THAT( result.errorMessage(), ContainsSubstring("Shard count must be a positive number") )
REQUIRE_THAT( result.errorMessage(), ContainsSubstring( "Could not parse '-1' as shard count" ) )
with expansion:
"Shard count must be a positive number" contains: "Shard count must be a
positive number"
"Could not parse '-1' as shard count" contains: "Could not parse '-1' as
shard count"
-------------------------------------------------------------------------------
Parsing sharding-related cli flags
@ -9191,10 +9191,9 @@ with expansion:
!{?}
CmdLine.tests.cpp:<line number>: PASSED:
REQUIRE_THAT( result.errorMessage(), ContainsSubstring("Shard count must be a positive number") )
REQUIRE_THAT( result.errorMessage(), ContainsSubstring( "Shard count must be positive" ) )
with expansion:
"Shard count must be a positive number" contains: "Shard count must be a
positive number"
"Shard count must be positive" contains: "Shard count must be positive"
-------------------------------------------------------------------------------
Parsing sharding-related cli flags
@ -9226,10 +9225,10 @@ with expansion:
!{?}
CmdLine.tests.cpp:<line number>: PASSED:
REQUIRE_THAT( result.errorMessage(), ContainsSubstring("Shard index must be a non-negative number") )
REQUIRE_THAT( result.errorMessage(), ContainsSubstring( "Could not parse '-12' as shard index" ) )
with expansion:
"Shard index must be a non-negative number" contains: "Shard index must be a
non-negative number"
"Could not parse '-12' as shard index" contains: "Could not parse '-12' as
shard index"
-------------------------------------------------------------------------------
Parsing sharding-related cli flags

6
tests/SelfTest/Baselines/tap.sw.approved.txt
View File

@ -2418,11 +2418,11 @@ ok {test-number} - config.shardCount == 8 for: 8 == 8
# Parsing sharding-related cli flags
ok {test-number} - !(result) for: !{?}
# Parsing sharding-related cli flags
ok {test-number} - result.errorMessage(), ContainsSubstring("Shard count must be a positive number") for: "Shard count must be a positive number" contains: "Shard count must be a positive number"
ok {test-number} - result.errorMessage(), ContainsSubstring( "Could not parse '-1' as shard count" ) for: "Could not parse '-1' as shard count" contains: "Could not parse '-1' as shard count"
# Parsing sharding-related cli flags
ok {test-number} - !(result) for: !{?}
# Parsing sharding-related cli flags
ok {test-number} - result.errorMessage(), ContainsSubstring("Shard count must be a positive number") for: "Shard count must be a positive number" contains: "Shard count must be a positive number"
ok {test-number} - result.errorMessage(), ContainsSubstring( "Shard count must be positive" ) for: "Shard count must be positive" contains: "Shard count must be positive"
# Parsing sharding-related cli flags
ok {test-number} - cli.parse({ "test", "--shard-index=2" }) for: {?}
# Parsing sharding-related cli flags
@ -2430,7 +2430,7 @@ ok {test-number} - config.shardIndex == 2 for: 2 == 2
# Parsing sharding-related cli flags
ok {test-number} - !(result) for: !{?}
# Parsing sharding-related cli flags
ok {test-number} - result.errorMessage(), ContainsSubstring("Shard index must be a non-negative number") for: "Shard index must be a non-negative number" contains: "Shard index must be a non-negative number"
ok {test-number} - result.errorMessage(), ContainsSubstring( "Could not parse '-12' as shard index" ) for: "Could not parse '-12' as shard index" contains: "Could not parse '-12' as shard index"
# Parsing sharding-related cli flags
ok {test-number} - cli.parse({ "test", "--shard-index=0" }) for: {?}
# Parsing sharding-related cli flags

6
tests/SelfTest/Baselines/tap.sw.multi.approved.txt
View File

@ -2416,11 +2416,11 @@ ok {test-number} - config.shardCount == 8 for: 8 == 8
# Parsing sharding-related cli flags
ok {test-number} - !(result) for: !{?}
# Parsing sharding-related cli flags
ok {test-number} - result.errorMessage(), ContainsSubstring("Shard count must be a positive number") for: "Shard count must be a positive number" contains: "Shard count must be a positive number"
ok {test-number} - result.errorMessage(), ContainsSubstring( "Could not parse '-1' as shard count" ) for: "Could not parse '-1' as shard count" contains: "Could not parse '-1' as shard count"
# Parsing sharding-related cli flags
ok {test-number} - !(result) for: !{?}
# Parsing sharding-related cli flags
ok {test-number} - result.errorMessage(), ContainsSubstring("Shard count must be a positive number") for: "Shard count must be a positive number" contains: "Shard count must be a positive number"
ok {test-number} - result.errorMessage(), ContainsSubstring( "Shard count must be positive" ) for: "Shard count must be positive" contains: "Shard count must be positive"
# Parsing sharding-related cli flags
ok {test-number} - cli.parse({ "test", "--shard-index=2" }) for: {?}
# Parsing sharding-related cli flags
@ -2428,7 +2428,7 @@ ok {test-number} - config.shardIndex == 2 for: 2 == 2
# Parsing sharding-related cli flags
ok {test-number} - !(result) for: !{?}
# Parsing sharding-related cli flags
ok {test-number} - result.errorMessage(), ContainsSubstring("Shard index must be a non-negative number") for: "Shard index must be a non-negative number" contains: "Shard index must be a non-negative number"
ok {test-number} - result.errorMessage(), ContainsSubstring( "Could not parse '-12' as shard index" ) for: "Could not parse '-12' as shard index" contains: "Could not parse '-12' as shard index"
# Parsing sharding-related cli flags
ok {test-number} - cli.parse({ "test", "--shard-index=0" }) for: {?}
# Parsing sharding-related cli flags

12
tests/SelfTest/Baselines/xml.sw.approved.txt
View File

@ -11160,10 +11160,10 @@ C
</Expression>
<Expression success="true" type="REQUIRE_THAT" filename="tests/<exe-name>/IntrospectiveTests/CmdLine.tests.cpp" >
<Original>
result.errorMessage(), ContainsSubstring("Shard count must be a positive number")
result.errorMessage(), ContainsSubstring( "Could not parse '-1' as shard count" )
</Original>
<Expanded>
"Shard count must be a positive number" contains: "Shard count must be a positive number"
"Could not parse '-1' as shard count" contains: "Could not parse '-1' as shard count"
</Expanded>
</Expression>
<OverallResults successes="2" failures="0" expectedFailures="0"/>
@ -11179,10 +11179,10 @@ C
</Expression>
<Expression success="true" type="REQUIRE_THAT" filename="tests/<exe-name>/IntrospectiveTests/CmdLine.tests.cpp" >
<Original>
result.errorMessage(), ContainsSubstring("Shard count must be a positive number")
result.errorMessage(), ContainsSubstring( "Shard count must be positive" )
</Original>
<Expanded>
"Shard count must be a positive number" contains: "Shard count must be a positive number"
"Shard count must be positive" contains: "Shard count must be positive"
</Expanded>
</Expression>
<OverallResults successes="2" failures="0" expectedFailures="0"/>
@ -11217,10 +11217,10 @@ C
</Expression>
<Expression success="true" type="REQUIRE_THAT" filename="tests/<exe-name>/IntrospectiveTests/CmdLine.tests.cpp" >
<Original>
result.errorMessage(), ContainsSubstring("Shard index must be a non-negative number")
result.errorMessage(), ContainsSubstring( "Could not parse '-12' as shard index" )
</Original>
<Expanded>
"Shard index must be a non-negative number" contains: "Shard index must be a non-negative number"
"Could not parse '-12' as shard index" contains: "Could not parse '-12' as shard index"
</Expanded>
</Expression>
<OverallResults successes="2" failures="0" expectedFailures="0"/>

12
tests/SelfTest/Baselines/xml.sw.multi.approved.txt
View File

@ -11160,10 +11160,10 @@ C
</Expression>
<Expression success="true" type="REQUIRE_THAT" filename="tests/<exe-name>/IntrospectiveTests/CmdLine.tests.cpp" >
<Original>
result.errorMessage(), ContainsSubstring("Shard count must be a positive number")
result.errorMessage(), ContainsSubstring( "Could not parse '-1' as shard count" )
</Original>
<Expanded>
"Shard count must be a positive number" contains: "Shard count must be a positive number"
"Could not parse '-1' as shard count" contains: "Could not parse '-1' as shard count"
</Expanded>
</Expression>
<OverallResults successes="2" failures="0" expectedFailures="0"/>
@ -11179,10 +11179,10 @@ C
</Expression>
<Expression success="true" type="REQUIRE_THAT" filename="tests/<exe-name>/IntrospectiveTests/CmdLine.tests.cpp" >
<Original>
result.errorMessage(), ContainsSubstring("Shard count must be a positive number")
result.errorMessage(), ContainsSubstring( "Shard count must be positive" )
</Original>
<Expanded>
"Shard count must be a positive number" contains: "Shard count must be a positive number"
"Shard count must be positive" contains: "Shard count must be positive"
</Expanded>
</Expression>
<OverallResults successes="2" failures="0" expectedFailures="0"/>
@ -11217,10 +11217,10 @@ C
</Expression>
<Expression success="true" type="REQUIRE_THAT" filename="tests/<exe-name>/IntrospectiveTests/CmdLine.tests.cpp" >
<Original>
result.errorMessage(), ContainsSubstring("Shard index must be a non-negative number")
result.errorMessage(), ContainsSubstring( "Could not parse '-12' as shard index" )
</Original>
<Expanded>
"Shard index must be a non-negative number" contains: "Shard index must be a non-negative number"
"Could not parse '-12' as shard index" contains: "Could not parse '-12' as shard index"
</Expanded>
</Expression>
<OverallResults successes="2" failures="0" expectedFailures="0"/>

13
tests/SelfTest/IntrospectiveTests/CmdLine.tests.cpp
View File

@ -649,14 +649,18 @@ TEST_CASE("Parsing sharding-related cli flags", "[sharding]") {
auto result = cli.parse({ "test", "--shard-count=-1" });
CHECK_FALSE(result);
REQUIRE_THAT(result.errorMessage(), ContainsSubstring("Shard count must be a positive number"));
REQUIRE_THAT(
result.errorMessage(),
ContainsSubstring( "Could not parse '-1' as shard count" ) );
}
SECTION("Zero shard count reports error") {
auto result = cli.parse({ "test", "--shard-count=0" });
CHECK_FALSE(result);
REQUIRE_THAT(result.errorMessage(), ContainsSubstring("Shard count must be a positive number"));
REQUIRE_THAT(
result.errorMessage(),
ContainsSubstring( "Shard count must be positive" ) );
}
SECTION("shard-index") {
@ -669,7 +673,9 @@ TEST_CASE("Parsing sharding-related cli flags", "[sharding]") {
auto result = cli.parse({ "test", "--shard-index=-12" });
CHECK_FALSE(result);
REQUIRE_THAT(result.errorMessage(), ContainsSubstring("Shard index must be a non-negative number"));
REQUIRE_THAT(
result.errorMessage(),
ContainsSubstring( "Could not parse '-12' as shard index" ) );
}
SECTION("Shard index 0 is accepted") {
@ -677,7 +683,6 @@ TEST_CASE("Parsing sharding-related cli flags", "[sharding]") {
REQUIRE(config.shardIndex == 0);
}
}
TEST_CASE( "Parsing warnings", "[cli][warnings]" ) {