/
FrameworkTests.java
1037 lines (987 loc) · 36.3 KB
/
FrameworkTests.java
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package com.uber.nullaway;
import java.util.Arrays;
import org.junit.Test;
public class FrameworkTests extends NullAwayTestsBase {
@Test
public void lombokSupportTesting() {
defaultCompilationHelper.addSourceFile("lombok/LombokBuilderInit.java").doTest();
}
@Test
public void coreNullabilityNativeModels() {
defaultCompilationHelper
.addSourceFile("NullAwayNativeModels.java")
.addSourceFile("androidstubs/WebView.java")
.addSourceFile("androidstubs/TextUtils.java")
.doTest();
}
@Test
public void rxSupportPositiveCases() {
defaultCompilationHelper.addSourceFile("NullAwayRxSupportPositiveCases.java").doTest();
}
@Test
public void rxSupportNegativeCases() {
defaultCompilationHelper.addSourceFile("NullAwayRxSupportNegativeCases.java").doTest();
}
@Test
public void streamSupportNegativeCases() {
defaultCompilationHelper.addSourceFile("NullAwayStreamSupportNegativeCases.java").doTest();
}
@Test
public void streamSupportPositiveCases() {
defaultCompilationHelper.addSourceFile("NullAwayStreamSupportPositiveCases.java").doTest();
}
@Test
public void streamSupportCollectorsToMap() {
defaultCompilationHelper
.addSourceLines(
"Test.java",
"package com.uber;",
"import java.util.*;",
"import java.util.stream.*;",
"import java.util.function.Function;",
"import javax.annotation.Nullable;",
"class Test {",
" static class Foo {",
" @Nullable String bar;",
" String baz = \"baz\";",
" }",
" Map<Integer, String> testNegative1() {",
" List<Foo> foos = new ArrayList<>();",
" return foos.stream()",
" .filter(foo -> foo.bar != null)",
" .collect(Collectors.toMap(foo -> foo.bar.length(), foo -> foo.baz));",
" }",
" Map<String, Integer> testNegative2() {",
" List<Foo> foos = new ArrayList<>();",
" return foos.stream()",
" .filter(foo -> foo.bar != null)",
" .collect(Collectors.toMap(foo -> foo.baz, foo -> foo.bar.length()));",
" }",
" Map<Integer, String> testNegative3() {",
" List<Foo> foos = new ArrayList<>();",
" return foos.stream()",
" .filter(foo -> foo.bar != null)",
" .collect(Collectors.toMap(",
" new Function<Foo,Integer>() { public Integer apply(Foo foo) { return foo.bar.length(); } },",
" foo -> foo.baz));",
" }",
" Map<Integer, String> testPositive1() {",
" List<Foo> foos = new ArrayList<>();",
" return foos.stream()",
" // BUG: Diagnostic contains: dereferenced expression foo.bar is @Nullable",
" .collect(Collectors.toMap(foo -> foo.bar.length(), foo -> foo.baz));",
" }",
" Map<Integer, String> testPositive2() {",
" List<Foo> foos = new ArrayList<>();",
" return foos.stream()",
" .filter(foo -> foo.baz != null)",
" .collect(Collectors.toMap(",
" // BUG: Diagnostic contains: dereferenced expression foo.bar is @Nullable",
" new Function<Foo,Integer>() { public Integer apply(Foo foo) { return foo.bar.length(); } },",
" foo -> foo.baz));",
" }",
"}")
.doTest();
}
@Test
public void streamSupportCollectorsGroupingBy() {
defaultCompilationHelper
.addSourceLines(
"Test.java",
"package com.uber;",
"import java.util.*;",
"import java.util.stream.*;",
"import java.util.function.Function;",
"import javax.annotation.Nullable;",
"class Test {",
" static class Foo {",
" @Nullable String bar;",
" String baz = \"baz\";",
" }",
" Map<Integer, List<Foo>> testNegative() {",
" List<Foo> foos = new ArrayList<>();",
" return foos.stream()",
" .filter(foo -> foo.bar != null)",
" .collect(Collectors.groupingBy(foo -> foo.bar.length()));",
" }",
" Map<Integer, List<Foo>> testPositive() {",
" List<Foo> foos = new ArrayList<>();",
" return foos.stream()",
" // BUG: Diagnostic contains: dereferenced expression foo.bar is @Nullable",
" .collect(Collectors.groupingBy(foo -> foo.bar.length()));",
" }",
"}")
.doTest();
}
@Test
public void streamSupportCollectToImmutableMap() {
defaultCompilationHelper
.addSourceLines(
"Test.java",
"package com.uber;",
"import com.google.common.collect.ImmutableMap;",
"import java.util.*;",
"import java.util.stream.*;",
"import java.util.function.Function;",
"import javax.annotation.Nullable;",
"class Test {",
" static class Foo {",
" @Nullable String bar;",
" String baz = \"baz\";",
" }",
" Map<Integer, String> testNegative() {",
" List<Foo> foos = new ArrayList<>();",
" return foos.stream()",
" .filter(foo -> foo.bar != null)",
" .collect(ImmutableMap.toImmutableMap(foo -> foo.bar.length(), foo -> foo.baz));",
" }",
" Map<Integer, String> testPositive() {",
" List<Foo> foos = new ArrayList<>();",
" return foos.stream()",
" // BUG: Diagnostic contains: dereferenced expression foo.bar is @Nullable",
" .collect(ImmutableMap.toImmutableMap(foo -> foo.bar.length(), foo -> foo.baz));",
" }",
"}")
.doTest();
}
@Test
public void supportObjectsIsNull() {
defaultCompilationHelper
.addSourceLines(
"Test.java",
"package com.uber;",
"import java.util.Objects;",
"import javax.annotation.Nullable;",
"class Test {",
" private void foo(@Nullable String s) {",
" if (!Objects.isNull(s)) {",
" s.toString();",
" }",
" }",
"}")
.doTest();
}
@Test
public void testJDKPathGetParentModel() {
defaultCompilationHelper
.addSourceLines(
"Test.java",
"package com.uber;",
"import java.util.Optional;",
"import java.nio.file.Files;",
"import java.nio.file.Path;",
"public class Test {",
" Optional<Path> findConfig(Path searchDir) {",
" Path configFile = searchDir.resolve(\"foo.yml\");",
" if (Files.exists(configFile)) {",
" return Optional.of(configFile);",
" }",
" // BUG: Diagnostic contains: passing @Nullable parameter 'searchDir.getParent()' where @NonNull",
" return this.findConfig(searchDir.getParent());",
" }",
"}")
.doTest();
}
@Test
public void defaultLibraryModelsObjectNonNull() {
defaultCompilationHelper
.addSourceLines(
"Test.java",
"package com.uber;",
"import java.util.Objects;",
"import javax.annotation.Nullable;",
"public class Test {",
" String foo(@Nullable Object o) {",
" if (Objects.nonNull(o)) {",
" return o.toString();",
" };",
" return \"\";",
" }",
"}")
.doTest();
}
@Test
public void defaultLibraryModelsClassIsInstance() {
defaultCompilationHelper
.addSourceLines(
"Test.java",
"package com.uber;",
"import java.util.Objects;",
"import javax.annotation.Nullable;",
"public class Test {",
" int classIsInstance(@Nullable String s) {",
" if (CharSequence.class.isInstance(s)) {",
" return s.hashCode();",
" } else {",
" // BUG: Diagnostic contains: dereferenced",
" return s.hashCode();",
" }",
" }",
"}")
.doTest();
}
@Test
public void checkForNullSupport() {
defaultCompilationHelper
// This is just to check the behavior is the same between @Nullable and @CheckForNull
.addSourceLines(
"TestNullable.java",
"package com.uber;",
"import javax.annotation.Nullable;",
"class TestNullable {",
" @Nullable",
" Object nullable = new Object();",
" public void setNullable(@Nullable Object nullable) {this.nullable = nullable;}",
" // BUG: Diagnostic contains: dereferenced expression nullable is @Nullable",
" public void run() {System.out.println(nullable.toString());}",
"}")
.addSourceLines(
"TestCheckForNull.java",
"package com.uber;",
"import javax.annotation.CheckForNull;",
"class TestCheckForNull {",
" @CheckForNull",
" Object checkForNull = new Object();",
" public void setCheckForNull(@CheckForNull Object checkForNull) {this.checkForNull = checkForNull;}",
" // BUG: Diagnostic contains: dereferenced expression checkForNull is @Nullable",
" public void run() {System.out.println(checkForNull.toString());}",
"}")
.doTest();
}
@Test
public void orElseLibraryModelSupport() {
// Checks both Optional.orElse(...) support itself and the general nullImpliesNullParameters
// Library Models mechanism for encoding @Contract(!null -> !null) as a library model.
defaultCompilationHelper
.addSourceLines(
"TestOptionalOrElseNegative.java",
"package com.uber;",
"import javax.annotation.Nullable;",
"import java.util.Optional;",
"class TestOptionalOrElseNegative {",
" public Object foo(Optional<Object> o) {",
" return o.orElse(\"Something\");",
" }",
" public @Nullable Object bar(Optional<Object> o) {",
" return o.orElse(null);",
" }",
"}")
.addSourceLines(
"TestOptionalOrElsePositive.java",
"package com.uber;",
"import java.util.Optional;",
"class TestOptionalOrElsePositive {",
" public Object foo(Optional<Object> o) {",
" // BUG: Diagnostic contains: returning @Nullable expression",
" return o.orElse(null);",
" }",
" public void bar(Optional<Object> o) {",
" // BUG: Diagnostic contains: dereferenced expression o.orElse(null) is @Nullable",
" System.out.println(o.orElse(null).toString());",
" }",
"}")
.doTest();
}
@Test
public void overridingNativeModelsInAnnotatedCodeDoesNotPropagateTheModel() {
// See https://github.com/uber/NullAway/issues/445
defaultCompilationHelper
.addSourceLines(
"NonNullGetMessage.java",
"package com.uber;",
"import java.util.Objects;",
"import javax.annotation.Nullable;",
"class NonNullGetMessage extends RuntimeException {",
" NonNullGetMessage(final String message) {",
" super(message);",
" }",
" @Override",
" public String getMessage() {",
" return Objects.requireNonNull(super.getMessage());",
" }",
" public static void foo(NonNullGetMessage e) {",
" expectsNonNull(e.getMessage());",
" }",
" public static void expectsNonNull(String str) {",
" System.out.println(str);",
" }",
"}")
.doTest();
}
@Test
public void overridingNativeModelsInAnnotatedCodeDoesNotGenerateSafetyHoles() {
// See https://github.com/uber/NullAway/issues/445
defaultCompilationHelper
.addSourceLines(
"NonNullGetMessage.java",
"package com.uber;",
"import java.util.Objects;",
"import javax.annotation.Nullable;",
"class NonNullGetMessage extends RuntimeException {",
" NonNullGetMessage(@Nullable String message) {",
" super(message);",
" }",
" @Override",
" public String getMessage() {",
" // BUG: Diagnostic contains: returning @Nullable expression",
" return super.getMessage();",
" }",
"}")
.doTest();
}
@Test
public void springAutowiredFieldTest() {
defaultCompilationHelper
.addSourceLines(
"Foo.java",
"package com.uber;",
"import javax.annotation.Nullable;",
"import org.springframework.stereotype.Component;",
"@Component",
"public class Foo {",
" @Nullable String bar;",
" public void setBar(String s) {",
" bar = s;",
" }",
"}")
.addSourceLines(
"Test.java",
"package com.uber;",
"import org.springframework.beans.factory.annotation.Autowired;",
"import org.springframework.stereotype.Service;",
"@Service",
"public class Test {",
" @Autowired",
" Foo f;", // Initialized by spring.
" public void Fun() {",
" f.setBar(\"hello\");",
" }",
"}")
.doTest();
}
@Test
public void springTestAutowiredFieldTest() {
defaultCompilationHelper
.addSourceFile("springboot-annotations/MockBean.java")
.addSourceFile("springboot-annotations/SpyBean.java")
.addSourceLines(
"Foo.java",
"package com.uber;",
"import javax.annotation.Nullable;",
"import org.springframework.stereotype.Component;",
"@Component",
"public class Foo {",
" @Nullable String bar;",
" public void setBar(String s) {",
" bar = s;",
" }",
"}")
.addSourceLines(
"TestCase.java",
"package com.uber;",
"import org.junit.jupiter.api.Test;",
"import org.springframework.boot.test.mock.mockito.SpyBean;",
"import org.springframework.boot.test.mock.mockito.MockBean;",
"public class TestCase {",
" @SpyBean",
" private Foo spy;", // Initialized by spring test (via Mockito).
" @MockBean",
" private Foo mock;", // Initialized by spring test (via Mockito).
" @Test",
" void springTest() {",
" spy.setBar(\"hello\");",
" mock.setBar(\"hello\");",
" }",
"}")
.doTest();
}
@Test
public void springAutowiredConstructorTest() {
defaultCompilationHelper
.addSourceLines(
"Foo.java",
"package com.uber;",
"import javax.annotation.Nullable;",
"import org.springframework.stereotype.Component;",
"@Component",
"public class Foo {",
" @Nullable String bar;",
" public void setBar(String s) {",
" bar = s;",
" }",
"}")
.addSourceLines(
"Test.java",
"package com.uber;",
"import org.springframework.beans.factory.annotation.Autowired;",
"import org.springframework.stereotype.Service;",
"@Service",
"public class Test {",
" Foo f;", // Initialized by spring.
" @Autowired",
" public void init() {",
" f = new Foo();",
" }",
" public void Fun() {",
" f.setBar(\"hello\");",
" }",
"}")
.doTest();
}
@Test
public void testLombokBuilderWithGeneratedAsUnannotated() {
makeTestHelperWithArgs(
Arrays.asList(
"-d",
temporaryFolder.getRoot().getAbsolutePath(),
"-XepOpt:NullAway:AnnotatedPackages=com.uber",
"-XepOpt:NullAway:TreatGeneratedAsUnannotated=true"))
.addSourceLines(
"Test.java",
"package com.uber;",
"import javax.annotation.Nullable;",
"import com.uber.lombok.LombokDTO;",
"class Test {",
" void testSetters(LombokDTO ldto) {",
" ldto.setNullableField(null);",
" // BUG: Diagnostic contains: passing @Nullable parameter 'null' where @NonNull is required",
" ldto.setField(null);",
" }",
" String testGetterSafe(LombokDTO ldto) {",
" return ldto.getField();",
" }",
" String testGetterNullable(LombokDTO ldto) {",
" // BUG: Diagnostic contains: returning @Nullable expression from method with @NonNull return type",
" return ldto.getNullableField();",
" }",
" LombokDTO testBuilderSafe(@Nullable String s1, String s2) {",
" // Safe, because s2 is non-null and nullableField can take @Nullable",
" return LombokDTO.builder().nullableField(s1).field(s2).build();",
" }",
" LombokDTO testBuilderUnsafe(@Nullable String s1, @Nullable String s2) {",
" // No error, because the code of LombokDTO.Builder is @Generated and we are",
" // building with TreatGeneratedAsUnannotated=true",
" return LombokDTO.builder().nullableField(s1).field(s2).build();",
" }",
"}")
.doTest();
}
@Test
public void testLombokBuilderWithoutGeneratedAsUnannotated() {
makeTestHelperWithArgs(
Arrays.asList(
"-d",
temporaryFolder.getRoot().getAbsolutePath(),
"-XepOpt:NullAway:AnnotatedPackages=com.uber"))
.addSourceLines(
"Test.java",
"package com.uber;",
"import javax.annotation.Nullable;",
"import com.uber.lombok.LombokDTO;",
"class Test {",
" void testSetters(LombokDTO ldto) {",
" ldto.setNullableField(null);",
" // BUG: Diagnostic contains: passing @Nullable parameter 'null' where @NonNull is required",
" ldto.setField(null);",
" }",
" String testGetterSafe(LombokDTO ldto) {",
" return ldto.getField();",
" }",
" String testGetterNullable(LombokDTO ldto) {",
" // BUG: Diagnostic contains: returning @Nullable expression from method with @NonNull return type",
" return ldto.getNullableField();",
" }",
" LombokDTO testBuilderSafe(@Nullable String s1, String s2) {",
" // Safe, because s2 is non-null and nullableField can take @Nullable",
" return LombokDTO.builder().nullableField(s1).field(s2).build();",
" }",
" LombokDTO testBuilderUnsafe(@Nullable String s1, @Nullable String s2) {",
" // BUG: Diagnostic contains: passing @Nullable parameter 's2' where @NonNull is required",
" return LombokDTO.builder().nullableField(s1).field(s2).build();",
" }",
"}")
.doTest();
}
/**
* This test is solely to check if we can run through some of the {@link
* com.uber.nullaway.handlers.LombokHandler} logic without crashing. It does not check that the
* logic is correct.
*/
@Test
public void lombokHandlerRunsWithoutCrashing() {
makeTestHelperWithArgs(
Arrays.asList(
"-d",
temporaryFolder.getRoot().getAbsolutePath(),
"-XepOpt:NullAway:AnnotatedPackages=com.uber"))
.addSourceLines(
"Test.java",
"package com.uber;",
"import javax.annotation.Nullable;",
"class Test {",
" @Nullable Object test;",
" @lombok.Generated",
" Object $default$test() {",
" return new Object();",
" }",
"}")
.doTest();
}
@Test
public void systemConsoleNullable() {
defaultCompilationHelper
.addSourceLines(
"Test.java",
"package com.uber;",
"class Test {",
" void foo() {",
" // BUG: Diagnostic contains: dereferenced expression System.console()",
" System.console().toString();",
" }",
"}")
.doTest();
}
@Test
public void mapGetOrDefault() {
String[] sourceLines =
new String[] {
"package com.uber;",
"import java.util.Map;",
"import com.google.common.collect.ImmutableMap;",
"import org.jspecify.annotations.Nullable;",
"class Test {",
" void testGetOrDefaultMap(Map<String, String> m, String nonNullString, @Nullable String nullableString) {",
" m.getOrDefault(\"key\", \"value\").toString();",
" m.getOrDefault(\"key\", nonNullString).toString();",
" // BUG: Diagnostic contains: dereferenced",
" m.getOrDefault(\"key\", null).toString();",
" // BUG: Diagnostic contains: dereferenced",
" m.getOrDefault(\"key\", nullableString).toString();",
" }",
" void testGetOrDefaultImmutableMap(ImmutableMap<String, String> im, String nonNullString, @Nullable String nullableString) {",
" im.getOrDefault(\"key\", \"value\").toString();",
" im.getOrDefault(\"key\", nonNullString).toString();",
" // BUG: Diagnostic contains: dereferenced",
" im.getOrDefault(\"key\", null).toString();",
" // BUG: Diagnostic contains: dereferenced",
" im.getOrDefault(\"key\", nullableString).toString();",
" }",
"}"
};
// test *without* restrictive annotations enabled
makeTestHelperWithArgs(
Arrays.asList(
"-d",
temporaryFolder.getRoot().getAbsolutePath(),
"-XepOpt:NullAway:AnnotatedPackages=com.uber"))
.addSourceLines("Test.java", sourceLines)
.doTest();
// test *with* restrictive annotations enabled
makeTestHelperWithArgs(
Arrays.asList(
"-d",
temporaryFolder.getRoot().getAbsolutePath(),
"-XepOpt:NullAway:AnnotatedPackages=com.uber",
"-XepOpt:NullAway:AcknowledgeRestrictiveAnnotations=true"))
.addSourceLines("Test.java", sourceLines)
.doTest();
}
@Test
public void defaultLibraryModelsClassCast() {
defaultCompilationHelper
.addSourceLines(
"Test.java",
"package com.uber;",
"import org.jspecify.annotations.Nullable;",
"class Test {",
" void castNullable(@Nullable String s) {",
" // BUG: Diagnostic contains: dereferenced",
" CharSequence.class.cast(s).hashCode();",
" }",
" void castNonnull(String s1, @Nullable String s2) {",
" CharSequence.class.cast(s1).hashCode();",
" if (s2 instanceof CharSequence) {",
" CharSequence.class.cast(s2).hashCode();",
" }",
" }",
"}")
.doTest();
}
@Test
public void apacheValidateNotNull() {
defaultCompilationHelper
.addSourceLines(
"Foo.java",
"package com.uber;",
"import org.apache.commons.lang3.Validate;",
"import org.jetbrains.annotations.Nullable;",
"public class Foo {",
" public void bar(@Nullable String s) {",
" Validate.notNull(s);",
" int l = s.length();",
" }",
"}")
.doTest();
}
@Test
public void apacheValidateNotNullWithMessage() {
defaultCompilationHelper
.addSourceLines(
"Foo.java",
"package com.uber;",
"import org.apache.commons.lang3.Validate;",
"import org.jetbrains.annotations.Nullable;",
"public class Foo {",
" public void bar(@Nullable String s) {",
" Validate.notNull(s, \"Message\");",
" int l = s.length();",
" }",
"}")
.doTest();
}
@Test
public void apacheValidateArrayNotEmptyWithMessage() {
defaultCompilationHelper
.addSourceLines(
"Foo.java",
"package com.uber;",
"import org.apache.commons.lang3.Validate;",
"import org.jetbrains.annotations.Nullable;",
"public class Foo {",
" public void bar(@Nullable String[] s) {",
" Validate.notEmpty(s, \"Message\");",
" int l = s.length;",
" }",
"}")
.doTest();
}
@Test
public void apacheValidateArrayNotEmpty() {
defaultCompilationHelper
.addSourceLines(
"Foo.java",
"package com.uber;",
"import org.apache.commons.lang3.Validate;",
"import org.jetbrains.annotations.Nullable;",
"public class Foo {",
" public void bar(@Nullable String[] s) {",
" Validate.notEmpty(s);",
" int l = s.length;",
" }",
"}")
.doTest();
}
@Test
public void apacheValidateListNotEmptyWithMessage() {
defaultCompilationHelper
.addSourceLines(
"Foo.java",
"package com.uber;",
"import org.apache.commons.lang3.Validate;",
"import org.jetbrains.annotations.Nullable;",
"import java.util.List;",
"public class Foo {",
" public void bar(@Nullable List<String> s) {",
" Validate.notEmpty(s, \"Message\");",
" int l = s.size();",
" }",
"}")
.doTest();
}
@Test
public void apacheValidateListNotEmpty() {
defaultCompilationHelper
.addSourceLines(
"Foo.java",
"package com.uber;",
"import org.apache.commons.lang3.Validate;",
"import org.jetbrains.annotations.Nullable;",
"import java.util.List;",
"public class Foo {",
" public void bar(@Nullable List<String> s) {",
" Validate.notEmpty(s);",
" int l = s.size();",
" }",
"}")
.doTest();
}
@Test
public void apacheValidateMapNotEmptyWithMessage() {
defaultCompilationHelper
.addSourceLines(
"Foo.java",
"package com.uber;",
"import org.apache.commons.lang3.Validate;",
"import org.jetbrains.annotations.Nullable;",
"import java.util.Map;",
"public class Foo {",
" public void bar(@Nullable Map<String, String> s) {",
" Validate.notEmpty(s, \"Message\");",
" int l = s.size();",
" }",
"}")
.doTest();
}
@Test
public void apacheValidateMapNotEmpty() {
defaultCompilationHelper
.addSourceLines(
"Foo.java",
"package com.uber;",
"import org.apache.commons.lang3.Validate;",
"import org.jetbrains.annotations.Nullable;",
"import java.util.Map;",
"public class Foo {",
" public void bar(@Nullable Map<String, String> s) {",
" Validate.notEmpty(s);",
" int l = s.size();",
" }",
"}")
.doTest();
}
@Test
public void apacheValidateStringNotEmptyWithMessage() {
defaultCompilationHelper
.addSourceLines(
"Foo.java",
"package com.uber;",
"import org.apache.commons.lang3.Validate;",
"import org.jetbrains.annotations.Nullable;",
"public class Foo {",
" public void bar(@Nullable String s) {",
" Validate.notEmpty(s, \"Message\");",
" int l = s.length();",
" }",
"}")
.doTest();
}
@Test
public void apacheValidateStringNotEmpty() {
defaultCompilationHelper
.addSourceLines(
"Foo.java",
"package com.uber;",
"import org.apache.commons.lang3.Validate;",
"import org.jetbrains.annotations.Nullable;",
"public class Foo {",
" public void bar(@Nullable String s) {",
" Validate.notEmpty(s);",
" int l = s.length();",
" }",
"}")
.doTest();
}
@Test
public void apacheValidateStringNotBlankWithMessage() {
defaultCompilationHelper
.addSourceLines(
"Foo.java",
"package com.uber;",
"import org.apache.commons.lang3.Validate;",
"import org.jetbrains.annotations.Nullable;",
"public class Foo {",
" public void bar(@Nullable String s) {",
" Validate.notBlank(s, \"Message\");",
" int l = s.length();",
" }",
"}")
.doTest();
}
@Test
public void apacheValidateStringNotBlank() {
defaultCompilationHelper
.addSourceLines(
"Foo.java",
"package com.uber;",
"import org.apache.commons.lang3.Validate;",
"import org.jetbrains.annotations.Nullable;",
"public class Foo {",
" public void bar(@Nullable String s) {",
" Validate.notBlank(s);",
" int l = s.length();",
" }",
"}")
.doTest();
}
@Test
public void apacheValidateArrayNoNullElementsWithMessage() {
defaultCompilationHelper
.addSourceLines(
"Foo.java",
"package com.uber;",
"import org.apache.commons.lang3.Validate;",
"import org.jetbrains.annotations.Nullable;",
"public class Foo {",
" public void bar(@Nullable String[] s) {",
" Validate.noNullElements(s, \"Message\");",
" int l = s.length;",
" }",
"}")
.doTest();
}
@Test
public void apacheValidateArrayNoNullElements() {
defaultCompilationHelper
.addSourceLines(
"Foo.java",
"package com.uber;",
"import org.apache.commons.lang3.Validate;",
"import org.jetbrains.annotations.Nullable;",
"public class Foo {",
" public void bar(@Nullable String[] s) {",
" Validate.noNullElements(s);",
" int l = s.length;",
" }",
"}")
.doTest();
}
@Test
public void apacheValidateIterableNoNullElementsWithMessage() {
defaultCompilationHelper
.addSourceLines(
"Foo.java",
"package com.uber;",
"import org.apache.commons.lang3.Validate;",
"import org.jetbrains.annotations.Nullable;",
"import java.util.Iterator;",
"public class Foo {",
" public void bar(@Nullable Iterable<String> s) {",
" Validate.noNullElements(s, \"Message\");",
" Iterator<String> l = s.iterator();",
" }",
"}")
.doTest();
}
@Test
public void apacheValidateIterableNoNullElements() {
defaultCompilationHelper
.addSourceLines(
"Foo.java",
"package com.uber;",
"import org.apache.commons.lang3.Validate;",
"import org.jetbrains.annotations.Nullable;",
"import java.util.Iterator;",
"public class Foo {",
" public void bar(@Nullable Iterable<String> s) {",
" Validate.noNullElements(s);",
" Iterator<String> l = s.iterator();",
" }",
"}")
.doTest();
}
@Test
public void apacheValidateArrayValidIndexWithMessage() {
defaultCompilationHelper
.addSourceLines(
"Foo.java",
"package com.uber;",
"import org.apache.commons.lang3.Validate;",
"import org.jetbrains.annotations.Nullable;",
"public class Foo {",
" public void bar(@Nullable String[] s) {",
" Validate.validIndex(s, 0, \"Message\");",
" int l = s.length;",
" }",
"}")
.doTest();
}
@Test
public void apacheValidateArrayValidIndex() {
defaultCompilationHelper
.addSourceLines(
"Foo.java",
"package com.uber;",
"import org.apache.commons.lang3.Validate;",
"import org.jetbrains.annotations.Nullable;",
"public class Foo {",
" public void bar(@Nullable String[] s) {",
" Validate.validIndex(s, 0);",
" int l = s.length;",
" }",
"}")
.doTest();
}
@Test
public void apacheValidateCollectionValidIndexWithMessage() {
defaultCompilationHelper
.addSourceLines(
"Foo.java",
"package com.uber;",
"import org.apache.commons.lang3.Validate;",
"import org.jetbrains.annotations.Nullable;",
"import java.util.List;",
"public class Foo {",
" public void bar(@Nullable List<String> s) {",
" Validate.validIndex(s, 0, \"Message\");",
" int l = s.size();",
" }",
"}")
.doTest();
}
@Test
public void apacheValidateCollectionValidIndex() {
defaultCompilationHelper
.addSourceLines(
"Foo.java",
"package com.uber;",
"import org.apache.commons.lang3.Validate;",
"import org.jetbrains.annotations.Nullable;",
"import java.util.List;",
"public class Foo {",
" public void bar(@Nullable List<String> s) {",
" Validate.validIndex(s, 0);",
" int l = s.size();",
" }",
"}")
.doTest();
}
@Test
public void apacheValidateStringValidIndexWithMessage() {
defaultCompilationHelper
.addSourceLines(
"Foo.java",
"package com.uber;",
"import org.apache.commons.lang3.Validate;",
"import org.jetbrains.annotations.Nullable;",
"public class Foo {",
" public void bar(@Nullable String s) {",
" Validate.validIndex(s, 0, \"Message\");",
" int l = s.length();",
" }",
"}")
.doTest();