@Test
public void mergeWithSelfShouldReturnEqualTemplatedLink() {
// given
final TemplatedLink aboutLink = ABOUTPAGE_LINK;
// when
final ResourceLink mergedLink = aboutLink.mergeWith(aboutLink);
// then
assertEquals(aboutLink, mergedLink);
}
@Test(expectedExceptions = IllegalArgumentException.class)
public void mergeWithDirectLinkShouldFailWithIllegalStateException() {
// given
final TemplatedLink templatedLink = ABOUTPAGE_LINK;
final DirectLink directLink = STOREFRONT_LINK;
// when
templatedLink.mergeWith(directLink);
// then an exception is thrown.
}
@Test(expectedExceptions = IllegalArgumentException.class)
public void mergeWithShouldFailWithExceptionIfOtherLinksToDifferentResource() {
// given
final TemplatedLink aboutPageLink = ABOUTPAGE_LINK;
final TemplatedLink otherTemplatedLink =
templatedLink(
RESOURCELINK_SHOP_PAGE,
"/foo/{fooId}",
asList(hrefVar("fooId", VAR_TYPE_PAGEID, emptyDocs())),
Hints.hints(of(GET), asList("text/html")));
// when
aboutPageLink.mergeWith(otherTemplatedLink);
// then an exception is thrown
}
@Test(expectedExceptions = IllegalArgumentException.class)
public void mergeWithShouldFailWithExceptionIfOtherDoesNotHaveSameRelationType() {
// given
final TemplatedLink aboutPageLink = ABOUTPAGE_LINK;
final TemplatedLink otherTemplatedLink =
TemplatedLink.templatedLink(
RESOURCELINK_SHOP_STOREFRONT,
REL_PAGE_HREF,
asList(hrefVar("pageId", VAR_TYPE_PAGEID, emptyDocs())),
Hints.hints(of(GET), asList("text/html")));
// when
aboutPageLink.mergeWith(otherTemplatedLink);
// then an exception is thrown
}
@Test(expectedExceptions = IllegalArgumentException.class)
public void expansionShouldFailWithIllegalArgumentExceptionForUnknownVarType() {
// given
final URI varType = create("http://example.org/vars/bar");
final TemplatedLink templatedLink =
templatedLink(
create("http://example.org/rel/foo"),
"http://example.org/foo/{bar}",
asList(hrefVar("bar", varType)),
null);
// when
templatedLink.expandToUri(create("http://example.org/vars/foo"), "42");
// then an exception is thrown.
}
@Test(expectedExceptions = IllegalArgumentException.class)
public void mergeWithShouldFailForDifferentHrefVars() {
// given
final TemplatedLink aboutPageLink = ABOUTPAGE_LINK;
final TemplatedLink otherTemplatedLink =
templatedLink(
RESOURCELINK_SHOP_PAGE,
"pages/{pageId}",
asList(hrefVar("foo", VAR_TYPE_PAGEID)),
Hints.hints(of(GET), asList("text/html", "application/json")));
// when
aboutPageLink.mergeWith(otherTemplatedLink);
// then an exception is thrown
}
@Test
public void mergeWithShouldMergeAllowsSpec() {
// given
final TemplatedLink aboutPageLink = ABOUTPAGE_LINK;
final TemplatedLink otherTemplatedLink =
templatedLink(
RESOURCELINK_SHOP_PAGE,
REL_PAGE_HREF,
asList(hrefVar("pageId", VAR_TYPE_PAGEID, emptyDocs())),
Hints.hints(of(PUT), asList("text/html", "application/json")));
// when
final ResourceLink resourceLink = aboutPageLink.mergeWith(otherTemplatedLink);
// then
assertEquals(resourceLink.getHints().getAllows(), of(GET, PUT));
}
@Test
public void shouldExpandUriForExistingVarType() {
// given
final URI varType = create("http://example.org/vars/bar");
final TemplatedLink templatedLink =
templatedLink(
create("http://example.org/rel/foo"),
"http://example.org/foo/{bar}",
asList(hrefVar("bar", varType)),
null);
// when
final URI uri = templatedLink.expandToUri(varType, "42");
// then
assertEquals(uri, create("http://example.org/foo/42"));
}
@Test
public void expansionShouldTreatMissingVarTypeAsEmptyValue() {
// given
final URI fooVarType = create("http://example.org/vars/foo");
final URI barVarType = create("http://example.org/vars/bar");
final TemplatedLink templatedLink =
templatedLink(
create("http://example.org/rel/foo"),
"http://example.org/{foo}/{bar}",
asList(hrefVar("foo", fooVarType), hrefVar("bar", barVarType)),
null);
// when
final URI uri = templatedLink.expandToUri(create("http://example.org/vars/foo"), "42");
// then
assertEquals(uri, create("http://example.org/42/"));
}
@Test
public void shouldExpandUriWithRequestParams() {
// given
final URI fooVarType = create("http://example.org/vars/foo");
final URI barVarType = create("http://example.org/vars/bar");
final TemplatedLink templatedLink =
templatedLink(
create("http://example.org/rel/foo"),
"http://example.org{?foo,bar}",
asList(hrefVar("foo", fooVarType), hrefVar("bar", barVarType)),
null);
// when
final URI uri = templatedLink.expandToUri(fooVarType, "42", barVarType, 4711);
// then
assertEquals(uri, create("http://example.org?foo=42&bar=4711"));
}
@Test(enabled = false)
public void mergeWithShouldMergeAcceptPost() {
// given
final TemplatedLink thisTemplatedLink =
templatedLink(
RESOURCELINK_SHOP_PAGE,
REL_PAGE_HREF,
asList(hrefVar("pageId", VAR_TYPE_PAGEID)),
Hints.hints(
of(GET, POST),
asList("application/foo"),
Collections.<String>emptyList(),
asList("application/json"),
Collections.<Precondition>emptyList(),
Status.OK,
emptyDocs()));
final TemplatedLink thatTemplatedLink =
templatedLink(
RESOURCELINK_SHOP_PAGE,
REL_PAGE_HREF,
asList(hrefVar("pageId", VAR_TYPE_PAGEID)),
Hints.hints(
of(GET, POST),
asList("application/foo"),
Collections.<String>emptyList(),
asList("application/foo"),
Collections.<Precondition>emptyList(),
Status.OK,
emptyDocs()));
// when
final ResourceLink resourceLink = thisTemplatedLink.mergeWith(thatTemplatedLink);
// then
final Hints hints = resourceLink.getHints();
assertEquals(hints.getRepresentations(), asList("application/foo"));
assertEquals(hints.getAcceptPost(), asList("application/json", "application/foo"));
}