Bundle-plugin Scala code converted to Java

1 files changed, 130 insertions, 0 deletions

diff --git a/bundle-plugin/src/test/java/com/yahoo/container/plugin/osgi/ImportPackageTest.java b/bundle-plugin/src/test/java/com/yahoo/container/plugin/osgi/ImportPackageTest.java
new file mode 100644
index 00000000000..23960323a31
--- /dev/null
+++ b/bundle-plugin/src/test/java/com/yahoo/container/plugin/osgi/ImportPackageTest.java
@@ -0,0 +1,130 @@
+// Copyright 2018 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+package com.yahoo.container.plugin.osgi;
+
+import com.yahoo.container.plugin.osgi.ExportPackages.Export;
+import com.yahoo.container.plugin.osgi.ExportPackages.Parameter;
+import com.yahoo.container.plugin.osgi.ImportPackages.Import;
+import org.hamcrest.Description;
+import org.hamcrest.TypeSafeMatcher;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.ExpectedException;
+
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Optional;
+import java.util.Set;
+
+import static java.util.Collections.emptyMap;
+import static java.util.Collections.emptySet;
+import static java.util.Collections.singletonList;
+import static org.hamcrest.Matchers.contains;
+import static org.hamcrest.Matchers.empty;
+import static org.hamcrest.Matchers.is;
+import static org.junit.Assert.assertThat;
+
+/**
+ * @author Tony Vaagenes
+ * @author ollivir
+ */
+public class ImportPackageTest {
+    private static final String PACKAGE_NAME = "com.yahoo.exported";
+    private Set<String> referencedPackages = Collections.singleton(PACKAGE_NAME);
+    private Map<String, Export> exports = exportByPackageName(new Export(singletonList(PACKAGE_NAME), Collections.emptyList()));
+    private Map<String, Export> exportsWithVersion = exportByPackageName(
+            new Export(singletonList(PACKAGE_NAME), singletonList(new Parameter("version", "1.3"))));
+
+    private static Map<String, Export> exportByPackageName(Export export) {
+        return ExportPackages.exportsByPackageName(singletonList(export));
+    }
+
+    @Test
+    public void require_that_non_implemented_import_with_matching_export_is_included() {
+        Set<Import> imports = calculateImports(referencedPackages, emptySet(), exports);
+        assertThat(imports, contains(importMatching(PACKAGE_NAME, "")));
+    }
+
+    @Test
+    public void require_that_non_implemented_import_without_matching_export_is_excluded() {
+        Set<Import> imports = calculateImports(referencedPackages, emptySet(), emptyMap());
+        assertThat(imports, empty());
+    }
+
+    @Test
+    public void require_that_implemented_import_with_matching_export_is_excluded() {
+        Set<Import> imports = calculateImports(referencedPackages, referencedPackages, exports);
+
+        assertThat(imports, empty());
+    }
+
+    @Test
+    public void require_that_version_is_included() {
+        Set<Import> imports = calculateImports(referencedPackages, emptySet(), exportsWithVersion);
+
+        assertThat(imports, contains(importMatching(PACKAGE_NAME, "1.3")));
+    }
+
+    @Test
+    public void require_that_all_versions_up_to_the_next_major_version_is_in_range() {
+        assertThat(new Import("foo", Optional.of("1.2")).importVersionRange().get(), is("[1.2,2)"));
+    }
+
+    // TODO: Detecting guava packages should be based on bundle-symbolicName, not package name.
+    @Test
+    public void require_that_for_guava_all_future_major_versions_are_in_range() {
+        Optional<String> rangeWithInfiniteUpperLimit = Optional.of("[18.1," + ImportPackages.INFINITE_VERSION + ")");
+        assertThat(new Import("com.google.common", Optional.of("18.1")).importVersionRange(), is(rangeWithInfiniteUpperLimit));
+        assertThat(new Import("com.google.common.foo", Optional.of("18.1")).importVersionRange(), is(rangeWithInfiniteUpperLimit));
+        assertThat(new Import("com.google.commonality", Optional.of("18.1")).importVersionRange(), is(Optional.of("[18.1,19)")));
+    }
+
+    @Test
+    public void require_that_none_version_gives_non_version_range() {
+        assertThat(new Import("foo", Optional.empty()).importVersionRange(), is(Optional.empty()));
+    }
+
+    @Rule
+    public ExpectedException expectedException = ExpectedException.none();
+
+    @Test
+    public void require_that_exception_is_thrown_when_major_component_is_non_numeric() {
+        expectedException.expect(IllegalArgumentException.class);
+        new Import("foo", Optional.of("1notValid.2"));
+    }
+
+    @Test
+    public void require_that_osgi_import_supports_missing_version() {
+        assertThat(new Import("com.yahoo.exported", Optional.empty()).asOsgiImport(), is("com.yahoo.exported"));
+    }
+
+    @Test
+    public void require_that_osgi_import_version_range_includes_all_versions_from_the_current_up_to_the_next_major_version() {
+        assertThat(new Import("com.yahoo.exported", Optional.of("1.2")).asOsgiImport(), is("com.yahoo.exported;version=\"[1.2,2)\""));
+    }
+
+    @Test
+    public void require_that_osgi_import_version_range_ignores_qualifier() {
+        assertThat(new Import("com.yahoo.exported", Optional.of("1.2.3.qualifier")).asOsgiImport(),
+                is("com.yahoo.exported;version=\"[1.2.3,2)\""));
+    }
+
+    private static Set<Import> calculateImports(Set<String> referencedPackages, Set<String> implementedPackages,
+            Map<String, Export> exportedPackages) {
+        return new HashSet<>(ImportPackages.calculateImports(referencedPackages, implementedPackages, exportedPackages).values());
+    }
+
+    private static TypeSafeMatcher<Import> importMatching(String packageName, String version) {
+        return new TypeSafeMatcher<Import>() {
+            @Override
+            protected boolean matchesSafely(Import anImport) {
+                return anImport.packageName().equals(packageName) && anImport.version().equals(version);
+            }
+
+            @Override
+            public void describeTo(Description description) {
+                description.appendText("an Import of package ").appendValue(packageName).appendText(" with version ").appendValue(version);
+            }
+        };
+    }
+}