/
TestDiscovery.java
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TestDiscovery.java
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package software.amazon.awssdk.services.rules.testutil;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.UncheckedIOException;
import java.net.URL;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Objects;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import software.amazon.awssdk.protocols.jsoncore.JsonNode;
import software.amazon.awssdk.services.restjsonendpointproviders.endpoints.internal.EndpointRuleset;
import software.amazon.awssdk.services.rules.EndpointTest;
import software.amazon.awssdk.services.rules.EndpointTestSuite;
public class TestDiscovery {
private static final String RESOURCE_ROOT = "/rules";
public static final class RulesTestcase {
private final EndpointRuleset ruleset;
private final EndpointTest testcase;
public RulesTestcase(EndpointRuleset ruleset, EndpointTest testcase) {
this.ruleset = ruleset;
this.testcase = testcase;
}
@Override
public String toString() {
return testcase.getDocumentation();
}
public EndpointRuleset ruleset() {
return ruleset;
}
public EndpointTest testcase() {
return testcase;
}
@Override
public boolean equals(Object obj) {
if (obj == this) return true;
if (obj == null || obj.getClass() != this.getClass()) return false;
RulesTestcase that = (RulesTestcase) obj;
return Objects.equals(this.ruleset, that.ruleset) &&
Objects.equals(this.testcase, that.testcase);
}
@Override
public int hashCode() {
return Objects.hash(ruleset, testcase);
}
}
public static final class RulesTestSuite {
private final EndpointRuleset ruleset;
private final List<EndpointTestSuite> testSuites;
public RulesTestSuite(EndpointRuleset ruleset, List<EndpointTestSuite> testSuites) {
this.ruleset = ruleset;
this.testSuites = testSuites;
}
@Override
public String toString() {
return ruleset.toString();
}
public EndpointRuleset ruleset() {
return ruleset;
}
public List<EndpointTestSuite> testSuites() {
return testSuites;
}
@Override
public boolean equals(Object obj) {
if (obj == this) return true;
if (obj == null || obj.getClass() != this.getClass()) return false;
RulesTestSuite that = (RulesTestSuite) obj;
return Objects.equals(this.ruleset, that.ruleset) &&
Objects.equals(this.testSuites, that.testSuites);
}
@Override
public int hashCode() {
return Objects.hash(ruleset, testSuites);
}
}
public Stream<RulesTestSuite> testSuites() {
JsonNode.parser();
List<JsonNode> rulesetNodes = getValidRules()
.stream()
.map(e -> JsonNode.parser().parse(getResourceStream("valid-rules/" + e)))
.collect(Collectors.toList());
List<JsonNode> testSuiteFiles = getManifestEntries("test-cases/manifest.txt")
.stream()
.map(e -> JsonNode.parser().parse(getResourceStream("test-cases/" + e)))
.collect(Collectors.toList());
List<EndpointRuleset> rulesets = rulesetNodes.stream()
.map(EndpointRuleset::fromNode)
.collect(Collectors.toList());
List<String> rulesetIds = rulesets.stream()
.map(EndpointRuleset::getServiceId)
.collect(Collectors.toList());
if (rulesetIds.stream()
.distinct()
.count() != rulesets.size()) {
throw new RuntimeException(String.format("Duplicate service ids discovered: %s", rulesets.stream()
.map(EndpointRuleset::getServiceId)
.sorted()
.collect(Collectors.toList())));
}
List<EndpointTestSuite> testSuites = testSuiteFiles.stream()
.map(EndpointTestSuite::fromNode)
.collect(Collectors.toList());
testSuites.stream()
.filter(testSuite -> !rulesetIds.contains(testSuite.getService()))
.forEach(bad -> {
throw new RuntimeException("did not find service for " + bad.getService());
});
return rulesets.stream()
.map(ruleset -> {
List<EndpointTestSuite> matchingTestSuites = testSuites.stream()
.filter(test -> test.getService()
.equals(ruleset.getServiceId()))
.collect(Collectors.toList());
return new RulesTestSuite(ruleset, matchingTestSuites);
});
}
private List<String> getManifestEntries(String path) {
String absPath = RESOURCE_ROOT + "/" + path;
try (BufferedReader br = new BufferedReader(new InputStreamReader(getClass().getResourceAsStream(absPath)))) {
List<String> entries = new ArrayList<>();
while (true) {
String e = br.readLine();
if (e == null) {
break;
}
entries.add(e);
}
return entries;
} catch (IOException e) {
throw new UncheckedIOException(e);
}
}
private InputStream getResourceStream(String path) {
String absPath = RESOURCE_ROOT + "/" + path;
return getClass().getResourceAsStream(absPath);
}
private URL getResource(String path) {
String absPath = RESOURCE_ROOT + "/" + path;
return getClass().getResource(absPath);
}
public RulesTestSuite getTestSuite(String name) {
return new RulesTestSuite(rulesetFromPath(name), Collections.singletonList(testSuiteFromPath(name)));
}
public List<String> getValidRules() {
return getManifestEntries("valid-rules/manifest.txt");
}
public URL validRulesetUrl(String name) {
return getResource("valid-rules/" + name);
}
public URL testCaseUrl(String name) {
return getResource("test-cases/" + name);
}
private EndpointRuleset rulesetFromPath(String name) {
return EndpointRuleset.fromNode(JsonNode.parser().parse(Objects.requireNonNull(this.getClass()
.getResourceAsStream(String.format("valid-rules/%s", name)))));
}
private EndpointTestSuite testSuiteFromPath(String name) {
return EndpointTestSuite.fromNode(JsonNode.parser().parse(Objects.requireNonNull(this.getClass()
.getResourceAsStream(String.format("test-cases/%s", name)))));
}
}