ThymeleafV2TemplateDetector.java

package fr.sii.ogham.template.thymeleaf.v2;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.regex.Pattern;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import fr.sii.ogham.core.exception.resource.ResourceResolutionException;
import fr.sii.ogham.core.exception.template.EngineDetectionException;
import fr.sii.ogham.core.resource.Resource;
import fr.sii.ogham.core.resource.path.ResourcePath;
import fr.sii.ogham.core.resource.resolver.ResourceResolver;
import fr.sii.ogham.core.template.context.Context;
import fr.sii.ogham.core.template.detector.TemplateEngineDetector;

/**
 * Detector that reads the content of the template. If the template contains the
 * Thymeleaf namespace (http://www.thymeleaf.org) then the detector returns
 * true. Otherwise it returns false.
 * 
 * @author Aurélien Baudet
 *
 */
public class ThymeleafV2TemplateDetector implements TemplateEngineDetector {
	private static final Logger LOG = LoggerFactory.getLogger(ThymeleafV2TemplateDetector.class);

	/**
	 * The pattern to search into the template
	 */
	private static final Pattern NAMESPACE_PATTERN = Pattern.compile("xmlns[^=]+=\\s*\"http://www.thymeleaf.org\"");

	/**
	 * The template resolver used to find the template
	 */
	private final ResourceResolver resolver;

	public ThymeleafV2TemplateDetector(ResourceResolver resolver) {
		super();
		this.resolver = resolver;
	}

	@Override
	public boolean canParse(ResourcePath template, Context ctx) throws EngineDetectionException {
		LOG.debug("Checking if Thymeleaf can handle the template {}", template);
		Resource resolvedTemplate = getTemplate(template);
		if (resolvedTemplate == null) {
			return false;
		}
		try (BufferedReader br = new BufferedReader(new InputStreamReader(resolvedTemplate.getInputStream()))) {
			boolean containsThymeleafNamespace = containsThymeleafNamespace(br);
			if (containsThymeleafNamespace) {
				LOG.debug("The template {} contains the namespace http://www.thymeleaf.org. Thymeleaf can be used", template);
			} else {
				LOG.debug("The template {} doesn't contain the namespace http://www.thymeleaf.org. Thymeleaf can't be used", template);
			}
			return containsThymeleafNamespace || isEmptyTemplate(resolvedTemplate);
		} catch (IOException e) {
			throw new EngineDetectionException("Failed to detect because template can't be read by thymeleaf", e);
		}
	}

	private static boolean containsThymeleafNamespace(BufferedReader br) throws IOException {
		String line;
		do {
			line = br.readLine();
			if (line != null && NAMESPACE_PATTERN.matcher(line).find()) {
				return true;
			}
		} while (line != null);
		return false;
	}


	private static boolean isEmptyTemplate(Resource template) throws IOException {
		try (InputStream stream = template.getInputStream()) {
			return stream.read() == -1;
		}
	}

	private Resource getTemplate(ResourcePath templateName) {
		try {
			return resolver.getResource(templateName);
		} catch (ResourceResolutionException e) {
			LOG.trace("Thymeleaf detector can't be applied because {} couldn't be resolved", templateName, e);
			return null;
		}
	}

}












Active mutators

org.pitest.mutationtest.engine.gregor.mutators.BooleanFalseReturnValsMutator
org.pitest.mutationtest.engine.gregor.mutators.BooleanTrueReturnValsMutator
org.pitest.mutationtest.engine.gregor.mutators.ConditionalsBoundaryMutator
org.pitest.mutationtest.engine.gregor.mutators.EmptyObjectReturnValsMutator
org.pitest.mutationtest.engine.gregor.mutators.IncrementsMutator
org.pitest.mutationtest.engine.gregor.mutators.InvertNegsMutator
org.pitest.mutationtest.engine.gregor.mutators.MathMutator
org.pitest.mutationtest.engine.gregor.mutators.NegateConditionalsMutator
org.pitest.mutationtest.engine.gregor.mutators.NullReturnValsMutator
org.pitest.mutationtest.engine.gregor.mutators.PrimitiveReturnsMutator
org.pitest.mutationtest.engine.gregor.mutators.VoidMethodCallMutator

Tests examined

Report generated by PIT OGHAM

1		package fr.sii.ogham.template.thymeleaf.v2;
2
3		import java.io.BufferedReader;
4		import java.io.IOException;
5		import java.io.InputStream;
6		import java.io.InputStreamReader;
7		import java.util.regex.Pattern;
8
9		import org.slf4j.Logger;
10		import org.slf4j.LoggerFactory;
11
12		import fr.sii.ogham.core.exception.resource.ResourceResolutionException;
13		import fr.sii.ogham.core.exception.template.EngineDetectionException;
14		import fr.sii.ogham.core.resource.Resource;
15		import fr.sii.ogham.core.resource.path.ResourcePath;
16		import fr.sii.ogham.core.resource.resolver.ResourceResolver;
17		import fr.sii.ogham.core.template.context.Context;
18		import fr.sii.ogham.core.template.detector.TemplateEngineDetector;
19
20		/**
21		* Detector that reads the content of the template. If the template contains the
22		* Thymeleaf namespace (http://www.thymeleaf.org) then the detector returns
23		* true. Otherwise it returns false.
24		*
25		* @author Aurélien Baudet
26		*
27		*/
28		public class ThymeleafV2TemplateDetector implements TemplateEngineDetector {
29		private static final Logger LOG = LoggerFactory.getLogger(ThymeleafV2TemplateDetector.class);
30
31		/**
32		* The pattern to search into the template
33		*/
34		private static final Pattern NAMESPACE_PATTERN = Pattern.compile("xmlns[^=]+=\\s*\"http://www.thymeleaf.org\"");
35
36		/**
37		* The template resolver used to find the template
38		*/
39		private final ResourceResolver resolver;
40
41		public ThymeleafV2TemplateDetector(ResourceResolver resolver) {
42		super();
43		this.resolver = resolver;
44		}
45
46		@Override
47		public boolean canParse(ResourcePath template, Context ctx) throws EngineDetectionException {
48		LOG.debug("Checking if Thymeleaf can handle the template {}", template);
49		Resource resolvedTemplate = getTemplate(template);
50	3 1. canParse : negated conditional → NO_COVERAGE 2. canParse : negated conditional → TIMED_OUT 3. canParse : negated conditional → KILLED	if (resolvedTemplate == null) {
51	2 1. canParse : replaced boolean return with true for fr/sii/ogham/template/thymeleaf/v2/ThymeleafV2TemplateDetector::canParse → NO_COVERAGE 2. canParse : replaced boolean return with true for fr/sii/ogham/template/thymeleaf/v2/ThymeleafV2TemplateDetector::canParse → KILLED	return false;
52		}
53		try (BufferedReader br = new BufferedReader(new InputStreamReader(resolvedTemplate.getInputStream()))) {
54		boolean containsThymeleafNamespace = containsThymeleafNamespace(br);
55	3 1. canParse : negated conditional → SURVIVED 2. canParse : negated conditional → NO_COVERAGE 3. canParse : negated conditional → TIMED_OUT	if (containsThymeleafNamespace) {
56		LOG.debug("The template {} contains the namespace http://www.thymeleaf.org. Thymeleaf can be used", template);
57		} else {
58		LOG.debug("The template {} doesn't contain the namespace http://www.thymeleaf.org. Thymeleaf can't be used", template);
59		}
60	12 1. canParse : replaced boolean return with false for fr/sii/ogham/template/thymeleaf/v2/ThymeleafV2TemplateDetector::canParse → NO_COVERAGE 2. canParse : replaced boolean return with true for fr/sii/ogham/template/thymeleaf/v2/ThymeleafV2TemplateDetector::canParse → NO_COVERAGE 3. canParse : negated conditional → NO_COVERAGE 4. canParse : negated conditional → NO_COVERAGE 5. canParse : replaced boolean return with false for fr/sii/ogham/template/thymeleaf/v2/ThymeleafV2TemplateDetector::canParse → TIMED_OUT 6. canParse : replaced boolean return with true for fr/sii/ogham/template/thymeleaf/v2/ThymeleafV2TemplateDetector::canParse → TIMED_OUT 7. canParse : negated conditional → TIMED_OUT 8. canParse : negated conditional → TIMED_OUT 9. canParse : replaced boolean return with false for fr/sii/ogham/template/thymeleaf/v2/ThymeleafV2TemplateDetector::canParse → KILLED 10. canParse : replaced boolean return with true for fr/sii/ogham/template/thymeleaf/v2/ThymeleafV2TemplateDetector::canParse → KILLED 11. canParse : negated conditional → KILLED 12. canParse : negated conditional → KILLED	return containsThymeleafNamespace \|\| isEmptyTemplate(resolvedTemplate);
61		} catch (IOException e) {
62		throw new EngineDetectionException("Failed to detect because template can't be read by thymeleaf", e);
63		}
64		}
65
66		private static boolean containsThymeleafNamespace(BufferedReader br) throws IOException {
67		String line;
68		do {
69		line = br.readLine();
70	6 1. containsThymeleafNamespace : negated conditional → NO_COVERAGE 2. containsThymeleafNamespace : negated conditional → NO_COVERAGE 3. containsThymeleafNamespace : negated conditional → TIMED_OUT 4. containsThymeleafNamespace : negated conditional → TIMED_OUT 5. containsThymeleafNamespace : negated conditional → KILLED 6. containsThymeleafNamespace : negated conditional → KILLED	if (line != null && NAMESPACE_PATTERN.matcher(line).find()) {
71	3 1. containsThymeleafNamespace : replaced boolean return with false for fr/sii/ogham/template/thymeleaf/v2/ThymeleafV2TemplateDetector::containsThymeleafNamespace → NO_COVERAGE 2. containsThymeleafNamespace : replaced boolean return with false for fr/sii/ogham/template/thymeleaf/v2/ThymeleafV2TemplateDetector::containsThymeleafNamespace → TIMED_OUT 3. containsThymeleafNamespace : replaced boolean return with false for fr/sii/ogham/template/thymeleaf/v2/ThymeleafV2TemplateDetector::containsThymeleafNamespace → KILLED	return true;
72		}
73	2 1. containsThymeleafNamespace : negated conditional → NO_COVERAGE 2. containsThymeleafNamespace : negated conditional → TIMED_OUT	} while (line != null);
74	3 1. containsThymeleafNamespace : replaced boolean return with true for fr/sii/ogham/template/thymeleaf/v2/ThymeleafV2TemplateDetector::containsThymeleafNamespace → NO_COVERAGE 2. containsThymeleafNamespace : replaced boolean return with true for fr/sii/ogham/template/thymeleaf/v2/ThymeleafV2TemplateDetector::containsThymeleafNamespace → TIMED_OUT 3. containsThymeleafNamespace : replaced boolean return with true for fr/sii/ogham/template/thymeleaf/v2/ThymeleafV2TemplateDetector::containsThymeleafNamespace → KILLED	return false;
75		}
76
77
78		private static boolean isEmptyTemplate(Resource template) throws IOException {
79		try (InputStream stream = template.getInputStream()) {
80	9 1. isEmptyTemplate : replaced boolean return with false for fr/sii/ogham/template/thymeleaf/v2/ThymeleafV2TemplateDetector::isEmptyTemplate → NO_COVERAGE 2. isEmptyTemplate : replaced boolean return with true for fr/sii/ogham/template/thymeleaf/v2/ThymeleafV2TemplateDetector::isEmptyTemplate → NO_COVERAGE 3. isEmptyTemplate : negated conditional → NO_COVERAGE 4. isEmptyTemplate : replaced boolean return with false for fr/sii/ogham/template/thymeleaf/v2/ThymeleafV2TemplateDetector::isEmptyTemplate → TIMED_OUT 5. isEmptyTemplate : replaced boolean return with true for fr/sii/ogham/template/thymeleaf/v2/ThymeleafV2TemplateDetector::isEmptyTemplate → TIMED_OUT 6. isEmptyTemplate : negated conditional → TIMED_OUT 7. isEmptyTemplate : replaced boolean return with false for fr/sii/ogham/template/thymeleaf/v2/ThymeleafV2TemplateDetector::isEmptyTemplate → KILLED 8. isEmptyTemplate : replaced boolean return with true for fr/sii/ogham/template/thymeleaf/v2/ThymeleafV2TemplateDetector::isEmptyTemplate → KILLED 9. isEmptyTemplate : negated conditional → KILLED	return stream.read() == -1;
81		}
82		}
83
84		private Resource getTemplate(ResourcePath templateName) {
85		try {
86	3 1. getTemplate : replaced return value with null for fr/sii/ogham/template/thymeleaf/v2/ThymeleafV2TemplateDetector::getTemplate → NO_COVERAGE 2. getTemplate : replaced return value with null for fr/sii/ogham/template/thymeleaf/v2/ThymeleafV2TemplateDetector::getTemplate → TIMED_OUT 3. getTemplate : replaced return value with null for fr/sii/ogham/template/thymeleaf/v2/ThymeleafV2TemplateDetector::getTemplate → KILLED	return resolver.getResource(templateName);
87		} catch (ResourceResolutionException e) {
88		LOG.trace("Thymeleaf detector can't be applied because {} couldn't be resolved", templateName, e);
89		return null;
90		}
91		}
92
93		}
		Mutations
50		1.1 Location : canParse Killed by : none negated conditional → NO_COVERAGE 2.2 Location : canParse Killed by : none negated conditional → TIMED_OUT 3.3 Location : canParse Killed by : oghamthymeleafv2.it.ThymeleafDetectorTest.notFound(oghamthymeleafv2.it.ThymeleafDetectorTest) negated conditional → KILLED
51		1.1 Location : canParse Killed by : oghamthymeleafv2.it.ThymeleafDetectorTest.notFound(oghamthymeleafv2.it.ThymeleafDetectorTest) replaced boolean return with true for fr/sii/ogham/template/thymeleaf/v2/ThymeleafV2TemplateDetector::canParse → KILLED 2.2 Location : canParse Killed by : none replaced boolean return with true for fr/sii/ogham/template/thymeleaf/v2/ThymeleafV2TemplateDetector::canParse → NO_COVERAGE
55		1.1 Location : canParse Killed by : none negated conditional → SURVIVED 2.2 Location : canParse Killed by : none negated conditional → TIMED_OUT 3.3 Location : canParse Killed by : none negated conditional → NO_COVERAGE
60		1.1 Location : canParse Killed by : none replaced boolean return with false for fr/sii/ogham/template/thymeleaf/v2/ThymeleafV2TemplateDetector::canParse → NO_COVERAGE 2.2 Location : canParse Killed by : oghamthymeleafv2.it.ThymeleafDetectorTest.foundButEmpty(oghamthymeleafv2.it.ThymeleafDetectorTest) replaced boolean return with false for fr/sii/ogham/template/thymeleaf/v2/ThymeleafV2TemplateDetector::canParse → KILLED 3.3 Location : canParse Killed by : none replaced boolean return with false for fr/sii/ogham/template/thymeleaf/v2/ThymeleafV2TemplateDetector::canParse → TIMED_OUT 4.4 Location : canParse Killed by : none replaced boolean return with true for fr/sii/ogham/template/thymeleaf/v2/ThymeleafV2TemplateDetector::canParse → TIMED_OUT 5.5 Location : canParse Killed by : none replaced boolean return with true for fr/sii/ogham/template/thymeleaf/v2/ThymeleafV2TemplateDetector::canParse → NO_COVERAGE 6.6 Location : canParse Killed by : oghamthymeleafv2.it.ThymeleafDetectorTest.foundButNotThymeleaf(oghamthymeleafv2.it.ThymeleafDetectorTest) replaced boolean return with true for fr/sii/ogham/template/thymeleaf/v2/ThymeleafV2TemplateDetector::canParse → KILLED 7.7 Location : canParse Killed by : none negated conditional → NO_COVERAGE 8.8 Location : canParse Killed by : none negated conditional → TIMED_OUT 9.9 Location : canParse Killed by : oghamthymeleafv2.it.ThymeleafDetectorTest.foundButNotThymeleaf(oghamthymeleafv2.it.ThymeleafDetectorTest) negated conditional → KILLED 10.10 Location : canParse Killed by : none negated conditional → TIMED_OUT 11.11 Location : canParse Killed by : none negated conditional → NO_COVERAGE 12.12 Location : canParse Killed by : oghamthymeleafv2.it.ThymeleafDetectorTest.foundButEmpty(oghamthymeleafv2.it.ThymeleafDetectorTest) negated conditional → KILLED
70		1.1 Location : containsThymeleafNamespace Killed by : none negated conditional → TIMED_OUT 2.2 Location : containsThymeleafNamespace Killed by : none negated conditional → NO_COVERAGE 3.3 Location : containsThymeleafNamespace Killed by : oghamthymeleafv2.it.ThymeleafDetectorTest.foundButEmpty(oghamthymeleafv2.it.ThymeleafDetectorTest) negated conditional → KILLED 4.4 Location : containsThymeleafNamespace Killed by : oghamthymeleafv2.it.ThymeleafDetectorTest.foundButNotThymeleaf(oghamthymeleafv2.it.ThymeleafDetectorTest) negated conditional → KILLED 5.5 Location : containsThymeleafNamespace Killed by : none negated conditional → NO_COVERAGE 6.6 Location : containsThymeleafNamespace Killed by : none negated conditional → TIMED_OUT
71		1.1 Location : containsThymeleafNamespace Killed by : oghamthymeleafv2.it.ThymeleafDetectorTest.found(oghamthymeleafv2.it.ThymeleafDetectorTest) replaced boolean return with false for fr/sii/ogham/template/thymeleaf/v2/ThymeleafV2TemplateDetector::containsThymeleafNamespace → KILLED 2.2 Location : containsThymeleafNamespace Killed by : none replaced boolean return with false for fr/sii/ogham/template/thymeleaf/v2/ThymeleafV2TemplateDetector::containsThymeleafNamespace → TIMED_OUT 3.3 Location : containsThymeleafNamespace Killed by : none replaced boolean return with false for fr/sii/ogham/template/thymeleaf/v2/ThymeleafV2TemplateDetector::containsThymeleafNamespace → NO_COVERAGE
73		1.1 Location : containsThymeleafNamespace Killed by : none negated conditional → TIMED_OUT 2.2 Location : containsThymeleafNamespace Killed by : none negated conditional → NO_COVERAGE
74		1.1 Location : containsThymeleafNamespace Killed by : oghamthymeleafv2.it.ThymeleafDetectorTest.foundButNotThymeleaf(oghamthymeleafv2.it.ThymeleafDetectorTest) replaced boolean return with true for fr/sii/ogham/template/thymeleaf/v2/ThymeleafV2TemplateDetector::containsThymeleafNamespace → KILLED 2.2 Location : containsThymeleafNamespace Killed by : none replaced boolean return with true for fr/sii/ogham/template/thymeleaf/v2/ThymeleafV2TemplateDetector::containsThymeleafNamespace → TIMED_OUT 3.3 Location : containsThymeleafNamespace Killed by : none replaced boolean return with true for fr/sii/ogham/template/thymeleaf/v2/ThymeleafV2TemplateDetector::containsThymeleafNamespace → NO_COVERAGE
80		1.1 Location : isEmptyTemplate Killed by : oghamthymeleafv2.it.ThymeleafDetectorTest.foundButEmpty(oghamthymeleafv2.it.ThymeleafDetectorTest) replaced boolean return with false for fr/sii/ogham/template/thymeleaf/v2/ThymeleafV2TemplateDetector::isEmptyTemplate → KILLED 2.2 Location : isEmptyTemplate Killed by : none replaced boolean return with false for fr/sii/ogham/template/thymeleaf/v2/ThymeleafV2TemplateDetector::isEmptyTemplate → NO_COVERAGE 3.3 Location : isEmptyTemplate Killed by : none replaced boolean return with false for fr/sii/ogham/template/thymeleaf/v2/ThymeleafV2TemplateDetector::isEmptyTemplate → TIMED_OUT 4.4 Location : isEmptyTemplate Killed by : none replaced boolean return with true for fr/sii/ogham/template/thymeleaf/v2/ThymeleafV2TemplateDetector::isEmptyTemplate → TIMED_OUT 5.5 Location : isEmptyTemplate Killed by : none replaced boolean return with true for fr/sii/ogham/template/thymeleaf/v2/ThymeleafV2TemplateDetector::isEmptyTemplate → NO_COVERAGE 6.6 Location : isEmptyTemplate Killed by : oghamthymeleafv2.it.ThymeleafDetectorTest.foundButNotThymeleaf(oghamthymeleafv2.it.ThymeleafDetectorTest) replaced boolean return with true for fr/sii/ogham/template/thymeleaf/v2/ThymeleafV2TemplateDetector::isEmptyTemplate → KILLED 7.7 Location : isEmptyTemplate Killed by : oghamthymeleafv2.it.ThymeleafDetectorTest.foundButEmpty(oghamthymeleafv2.it.ThymeleafDetectorTest) negated conditional → KILLED 8.8 Location : isEmptyTemplate Killed by : none negated conditional → NO_COVERAGE 9.9 Location : isEmptyTemplate Killed by : none negated conditional → TIMED_OUT
86		1.1 Location : getTemplate Killed by : oghamthymeleafv2.it.ThymeleafDetectorTest.foundButEmpty(oghamthymeleafv2.it.ThymeleafDetectorTest) replaced return value with null for fr/sii/ogham/template/thymeleaf/v2/ThymeleafV2TemplateDetector::getTemplate → KILLED 2.2 Location : getTemplate Killed by : none replaced return value with null for fr/sii/ogham/template/thymeleaf/v2/ThymeleafV2TemplateDetector::getTemplate → TIMED_OUT 3.3 Location : getTemplate Killed by : none replaced return value with null for fr/sii/ogham/template/thymeleaf/v2/ThymeleafV2TemplateDetector::getTemplate → NO_COVERAGE

ThymeleafV2TemplateDetector.java

Mutations

Active mutators

Tests examined