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//
Copyright Sebastian Jeckel 2014.
//
Distributed under the Boost Software License, Version 1.0.
//
(See accompanying file LICENSE_1_0.txt or copy at
//
http://www.boost.org/LICENSE_1_0.txt)
#
pragma
once
#
include
<
queue
>
#
include
<
string
>
#
include
"
gtest/gtest.h
"
#
include
"
react/Domain.h
"
#
include
"
react/Event.h
"
//
/////////////////////////////////////////////////////////////////////////////////////////////////
namespace
{
using
namespace
react
;
//
/////////////////////////////////////////////////////////////////////////////////////////////////
//
/ EventStreamTest fixture
//
/////////////////////////////////////////////////////////////////////////////////////////////////
template
<
typename
TParams>
class
EventStreamTest
:
public
testing
::Test
{
public:
template
<EPropagationMode mode>
class
MyEngine
:
public
TParams
::
template
EngineT<mode> {};
REACTIVE_DOMAIN
(MyDomain, TParams::mode, MyEngine)
};
TYPED_TEST_CASE_P
(EventStreamTest);
//
/////////////////////////////////////////////////////////////////////////////////////////////////
//
/ EventSources test
//
/////////////////////////////////////////////////////////////////////////////////////////////////
TYPED_TEST_P
(EventStreamTest, EventSources)
{
using
D =
typename
EventSources::MyDomain;
auto
es1 = MakeEventSource<D,
int
>();
auto
es2 = MakeEventSource<D,
int
>();
std::queue<
int
> results1;
std::queue<
int
> results2;
Observe
(es1, [&] (
int
v)
{
results1.
push
(v);
});
Observe
(es2, [&] (
int
v)
{
results2.
push
(v);
});
es1 <<
10
<<
20
<<
30
;
es2 <<
40
<<
50
<<
60
;
//
1
ASSERT_FALSE
(results1.
empty
());
ASSERT_EQ
(results1.
front
(),
10
);
results1.
pop
();
ASSERT_FALSE
(results1.
empty
());
ASSERT_EQ
(results1.
front
(),
20
);
results1.
pop
();
ASSERT_FALSE
(results1.
empty
());
ASSERT_EQ
(results1.
front
(),
30
);
results1.
pop
();
ASSERT_TRUE
(results1.
empty
());
//
2
ASSERT_FALSE
(results2.
empty
());
ASSERT_EQ
(results2.
front
(),
40
);
results2.
pop
();
ASSERT_FALSE
(results2.
empty
());
ASSERT_EQ
(results2.
front
(),
50
);
results2.
pop
();
ASSERT_FALSE
(results2.
empty
());
ASSERT_EQ
(results2.
front
(),
60
);
results2.
pop
();
ASSERT_TRUE
(results2.
empty
());
}
//
/////////////////////////////////////////////////////////////////////////////////////////////////
//
/ EventMerge1 test
//
/////////////////////////////////////////////////////////////////////////////////////////////////
TYPED_TEST_P
(EventStreamTest, EventMerge1)
{
using
D =
typename
EventMerge1::MyDomain;
auto
a1 = MakeEventSource<D,
int
>();
auto
a2 = MakeEventSource<D,
int
>();
auto
a3 = MakeEventSource<D,
int
>();
auto
merged =
Merge
(a1, a2, a3);
std::vector<
int
> results;
Observe
(merged, [&] (
int
v)
{
results.
push_back
(v);
});
DoTransaction<D>([&] {
a1 <<
10
;
a2 <<
20
;
a3 <<
30
;
});
ASSERT_EQ
(results.
size
(),
3
);
ASSERT_TRUE
(
std::find
(results.
begin
(), results.
end
(),
10
) != results.
end
());
ASSERT_TRUE
(
std::find
(results.
begin
(), results.
end
(),
20
) != results.
end
());
ASSERT_TRUE
(
std::find
(results.
begin
(), results.
end
(),
30
) != results.
end
());
}
//
/////////////////////////////////////////////////////////////////////////////////////////////////
//
/ EventMerge2 test
//
/////////////////////////////////////////////////////////////////////////////////////////////////
TYPED_TEST_P
(EventStreamTest, EventMerge2)
{
using
D =
typename
EventMerge2::MyDomain;
auto
a1 = MakeEventSource<D,std::string>();
auto
a2 = MakeEventSource<D,std::string>();
auto
a3 = MakeEventSource<D,std::string>();
auto
merged =
Merge
(a1, a2, a3);
std::vector<std::string> results;
Observe
(merged, [&] (std::string s)
{
results.
push_back
(s);
});
std::string
s1
(
"
one
"
);
std::string
s2
(
"
two
"
);
std::string
s3
(
"
three
"
);
DoTransaction<D>([&] {
a1 << s1;
a2 << s2;
a3 << s3;
});
ASSERT_EQ
(results.
size
(),
3
);
ASSERT_TRUE
(
std::find
(results.
begin
(), results.
end
(),
"
one
"
) != results.
end
());
ASSERT_TRUE
(
std::find
(results.
begin
(), results.
end
(),
"
two
"
) != results.
end
());
ASSERT_TRUE
(
std::find
(results.
begin
(), results.
end
(),
"
three
"
) != results.
end
());
}
//
/////////////////////////////////////////////////////////////////////////////////////////////////
//
/ EventMerge3 test
//
/////////////////////////////////////////////////////////////////////////////////////////////////
TYPED_TEST_P
(EventStreamTest, EventMerge3)
{
using
D =
typename
EventMerge3::MyDomain;
auto
a1 = MakeEventSource<D,
int
>();
auto
a2 = MakeEventSource<D,
int
>();
auto
f1 =
Filter
(a1, [] (
int
v) {
return
true
; });
auto
f2 =
Filter
(a2, [] (
int
v) {
return
true
; });
auto
merged =
Merge
(f1, f2);
std::queue<
int
> results;
Observe
(merged, [&] (
int
s)
{
results.
push
(s);
});
a1 <<
10
;
a2 <<
20
;
a1 <<
30
;
ASSERT_FALSE
(results.
empty
());
ASSERT_EQ
(results.
front
(),
10
);
results.
pop
();
ASSERT_FALSE
(results.
empty
());
ASSERT_EQ
(results.
front
(),
20
);
results.
pop
();
ASSERT_FALSE
(results.
empty
());
ASSERT_EQ
(results.
front
(),
30
);
results.
pop
();
ASSERT_TRUE
(results.
empty
());
}
//
/////////////////////////////////////////////////////////////////////////////////////////////////
//
/ EventFilter test
//
/////////////////////////////////////////////////////////////////////////////////////////////////
TYPED_TEST_P
(EventStreamTest, EventFilter)
{
using
D =
typename
EventFilter::MyDomain;
using
std::string;
std::queue<string> results;
auto
in = MakeEventSource<D,string>();
auto
filtered =
Filter
(in, [] (
const
string& s)
{
return
s ==
"
Hello World
"
;
});
Observe
(filtered, [&] (
const
string& s)
{
results.
push
(s);
});
in <<
string
(
"
Hello Worlt
"
) <<
string
(
"
Hello World
"
) <<
string
(
"
Hello Vorld
"
);
ASSERT_FALSE
(results.
empty
());
ASSERT_EQ
(results.
front
(),
"
Hello World
"
);
results.
pop
();
ASSERT_TRUE
(results.
empty
());
}
//
/////////////////////////////////////////////////////////////////////////////////////////////////
//
/ EventTransform test
//
/////////////////////////////////////////////////////////////////////////////////////////////////
TYPED_TEST_P
(EventStreamTest, EventTransform)
{
using
D =
typename
EventTransform::MyDomain;
using
std::string;
std::vector<string> results;
auto
in1 = MakeEventSource<D,string>();
auto
in2 = MakeEventSource<D,string>();
auto
merged =
Merge
(in1, in2);
auto
transformed =
Transform
(merged, [] (string s) -> string
{
std::transform
(s.
begin
(), s.
end
(), s.
begin
(), ::toupper);
return
s;
});
Observe
(transformed, [&] (
const
string& s)
{
results.
push_back
(s);
});
in1 <<
string
(
"
Hello Worlt
"
) <<
string
(
"
Hello World
"
);
in2 <<
string
(
"
Hello Vorld
"
);
ASSERT_EQ
(results.
size
(),
3
);
ASSERT_TRUE
(
std::find
(results.
begin
(), results.
end
(),
"
HELLO WORLT
"
) != results.
end
());
ASSERT_TRUE
(
std::find
(results.
begin
(), results.
end
(),
"
HELLO WORLD
"
) != results.
end
());
ASSERT_TRUE
(
std::find
(results.
begin
(), results.
end
(),
"
HELLO VORLD
"
) != results.
end
());
}
//
/////////////////////////////////////////////////////////////////////////////////////////////////
//
/ EventProcess test
//
/////////////////////////////////////////////////////////////////////////////////////////////////
TYPED_TEST_P
(EventStreamTest, EventProcess)
{
using
D =
typename
EventProcess::MyDomain;
std::vector<
float
> results;
auto
in1 = MakeEventSource<D,
int
>();
auto
in2 = MakeEventSource<D,
int
>();
auto
merged =
Merge
(in1, in2);
int
callCount =
0
;
auto
processed = Process<
float
>(merged,
[&] (EventRange<
int
> range, EventEmitter<
float
> out)
{
for
(
const
auto
& e : range)
{
*out =
0
.
1f
* e;
*out =
1
.
5f
* e;
}
callCount++;
});
Observe
(processed,
[&] (
float
s)
{
results.
push_back
(s);
});
DoTransaction<D>([&] {
in1 <<
10
<<
20
;
});
in2 <<
30
;
ASSERT_EQ
(results.
size
(),
6
);
ASSERT_EQ
(callCount,
2
);
ASSERT_EQ
(results[
0
],
1
.
0f
);
ASSERT_EQ
(results[
1
],
15
.
0f
);
ASSERT_EQ
(results[
2
],
2
.
0f
);
ASSERT_EQ
(results[
3
],
30
.
0f
);
ASSERT_EQ
(results[
4
],
3
.
0f
);
ASSERT_EQ
(results[
5
],
45
.
0f
);
}
//
/////////////////////////////////////////////////////////////////////////////////////////////////
REGISTER_TYPED_TEST_CASE_P
(
EventStreamTest,
EventSources,
EventMerge1,
EventMerge2,
EventMerge3,
EventFilter,
EventTransform,
EventProcess
);
}
//
~namespace
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