Function TestCallable

internal/extgen/integration_test.go:716–794

(t *testing.T)

}

func TestCallable(t *testing.T) {
	suite := setupTest(t)

	sourceFile := filepath.Join("..", "..", "testdata", "integration", "callable.go")
	sourceFile, err := filepath.Abs(sourceFile)
	require.NoError(t, err)
	defer suite.cleanupGeneratedFiles(sourceFile)

	targetFile, err := suite.createGoModule(sourceFile)
	require.NoError(t, err)

	err = suite.runExtensionInit(targetFile)
	require.NoError(t, err)

	_, err = suite.compileFrankenPHP(filepath.Dir(targetFile))
	require.NoError(t, err)

	err = suite.verifyPHPSymbols(
		[]string{"my_array_map", "my_filter"},
		[]string{"Processor"},
		[]string{},
	)
	require.NoError(t, err, "all functions and classes should be accessible from PHP")

	err = suite.verifyFunctionBehavior(`<?php

$result = my_array_map([1, 2, 3], function($x) { return $x * 2; });
if ($result !== [2, 4, 6]) {
	echo "FAIL: my_array_map with closure expected [2, 4, 6], got " . json_encode($result);
	exit(1);
}

$result = my_array_map(['hello', 'world'], 'strtoupper');
if ($result !== ['HELLO', 'WORLD']) {
	echo "FAIL: my_array_map with function name expected ['HELLO', 'WORLD'], got " . json_encode($result);
	exit(1);
}

$result = my_array_map([], function($x) { return $x; });
if ($result !== []) {
	echo "FAIL: my_array_map with empty array expected [], got " . json_encode($result);
	exit(1);
}

$result = my_filter([1, 2, 3, 4, 5, 6], function($x) { return $x % 2 === 0; });
if ($result !== [2, 4, 6]) {
	echo "FAIL: my_filter expected [2, 4, 6], got " . json_encode($result);
	exit(1);
}

$result = my_filter([1, 2, 3, 4], null);
if ($result !== [1, 2, 3, 4]) {
	echo "FAIL: my_filter with null callback expected [1, 2, 3, 4], got " . json_encode($result);
	exit(1);
}

$processor = new Processor();
$result = $processor->transform('hello', function($s) { return strtoupper($s); });