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|
require 'stringio'
require 'fff_mock_generator.rb'
# Test the contents of the .c file created for the mock.
describe "FffMockGenerator.create_mock_source" do
context "when there is nothing to mock," do
let(:mock_source) {
parsed_header = {}
FffMockGenerator.create_mock_source("mock_my_module", parsed_header)
}
it "then the generated file includes the fff header" do
expect(mock_source).to include(
# fff.h also requires including string.h
%{#include <string.h>\n} +
%{#include "fff.h"}
)
end
it "then the generated file includes the mock header" do
expect(mock_source).to include(
%{#include "mock_my_module.h"\n}
)
end
it "then the generated file defines the init function" do
expect(mock_source).to include(
"void mock_my_module_Init(void)\n" +
"{\n" +
" FFF_RESET_HISTORY();\n" +
"}"
)
end
it "then the generated file defines the verify function" do
expect(mock_source).to include(
"void mock_my_module_Verify(void)\n" +
"{\n" +
"}"
)
end
it "then the generated file defines the destroy function" do
expect(mock_source).to include(
"void mock_my_module_Destroy(void)\n" +
"{\n" +
"}"
)
end
end
context "when there are multiple functions," do
let(:mock_source) {
parsed_header = create_cmock_style_parsed_header(
[ {:name => 'a_function', :return_type => 'int', :args => ['char *']},
{:name => 'another_function', :return_type => 'void'},
{:name => 'three', :return_type => 'bool', :args => ['float', 'int']}
])
FffMockGenerator.create_mock_source("mock_display", parsed_header)
}
it "then the generated file contains the first fake function definition" do
expect(mock_source).to include(
"DEFINE_FAKE_VALUE_FUNC1(int, a_function, char *);"
)
end
it "then the generated file contains the second fake function definition" do
expect(mock_source).to include(
"DEFINE_FAKE_VOID_FUNC0(another_function);"
)
end
it "then the generated file contains the third fake function definition" do
expect(mock_source).to include(
"DEFINE_FAKE_VALUE_FUNC2(bool, three, float, int);"
)
end
it "then the init function resets all of the fakes" do
expect(mock_source).to include(
"void mock_display_Init(void)\n" +
"{\n" +
" FFF_RESET_HISTORY();\n" +
" RESET_FAKE(a_function)\n" +
" RESET_FAKE(another_function)\n" +
" RESET_FAKE(three)\n" +
"}"
)
end
end
context "when there is a void function with variable arguments and " +
"additional arguments" do
let(:mock_source){
parsed_header = {}
parsed_header[:functions] = [{
:name => "function_with_var_args",
:return => {:type => "void"},
:var_arg => "...",
:args => [{:type => 'char *'}, {:type => 'int'}]
}]
FffMockGenerator.create_mock_source("mock_display", parsed_header)
}
it "then the generated file contains the vararg definition" do
expect(mock_source).to include(
"DEFINE_FAKE_VOID_FUNC3_VARARG(function_with_var_args, char *, int, ...)"
)
end
end
context "when there is a function with a pointer to a const value" do
let(:mock_source){
parsed_header = {}
parsed_header[:functions] = [{
:name => "const_test_function",
:return => {:type => "void"},
:args => [{:type => "char *", :name => "a", :ptr? => false, :const? => true},
{:type => "char *", :name => "b", :ptr? => false, :const? => false}]
}]
FffMockGenerator.create_mock_source("mock_display", parsed_header)
}
it "then the generated file contains the correct const argument in the declaration" do
expect(mock_source).to include(
"DEFINE_FAKE_VOID_FUNC2(const_test_function, const char *, char *)"
)
end
end
context "when there are pre-includes" do
let(:mock_source) {
parsed_source = {}
FffMockGenerator.create_mock_source("mock_display", parsed_source,
[%{"another_header.h"}])
}
it "then they are included before the other files" do
expect(mock_source).to include(
%{#include "another_header.h"\n} +
%{#include <string.h>}
)
end
end
context "when there are post-includes" do
let(:mock_source) {
parsed_source = {}
FffMockGenerator.create_mock_source("mock_display", parsed_source,
nil, [%{"another_header.h"}])
}
it "then they are included before the other files" do
expect(mock_source).to include(
%{#include "mock_display.h"\n} +
%{#include "another_header.h"\n}
)
end
end
end
|
