// Copyright 2011 Google Inc.
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//   may be used to endorse or promote products derived from this software
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#include "engine/action.hpp"

#include <map>
#include <sstream>
#include <string>

#include <atf-c++.hpp>

#include "engine/context.hpp"
#include "utils/fs/path.hpp"

namespace fs = utils::fs;


namespace {


/// Generates a context with fake data for testing purposes only.
///
/// \param cwd The work directory held in the context.  This contains an
///     irrelevant default value if not provided.
///
/// \return The fake context.
static engine::context
fake_context(const char* cwd = "/foo/bar")
{
    std::map< std::string, std::string > env;
    env["foo"] = "bar";
    return engine::context(fs::path(cwd), env);
}


}  // anonymous namespace


ATF_TEST_CASE_WITHOUT_HEAD(ctor_and_getters);
ATF_TEST_CASE_BODY(ctor_and_getters)
{
    const engine::context context = fake_context();
    const engine::action action(context);
    ATF_REQUIRE(context == action.runtime_context());
}


ATF_TEST_CASE_WITHOUT_HEAD(operators_eq_and_ne);
ATF_TEST_CASE_BODY(operators_eq_and_ne)
{
    const engine::action action1(fake_context("foo/bar"));
    const engine::action action2(fake_context("foo/bar"));
    const engine::action action3(fake_context("foo/baz"));
    ATF_REQUIRE(  action1 == action2);
    ATF_REQUIRE(!(action1 != action2));
    ATF_REQUIRE(!(action1 == action3));
    ATF_REQUIRE(  action1 != action3);
}


ATF_TEST_CASE_WITHOUT_HEAD(output);
ATF_TEST_CASE_BODY(output)
{
    const engine::context context = fake_context();
    const engine::action action(context);

    std::ostringstream str;
    str << action;
    ATF_REQUIRE_EQ("action{context=context{cwd='/foo/bar', env=[foo='bar']}}",
                   str.str());
}


ATF_INIT_TEST_CASES(tcs)
{
    ATF_ADD_TEST_CASE(tcs, ctor_and_getters);
    ATF_ADD_TEST_CASE(tcs, operators_eq_and_ne);
    ATF_ADD_TEST_CASE(tcs, output);
}