Integration test trong C

tests/test_roundtrip.c - integration test

#include "task.h"
#include "test.h"
#include <stdio.h>

static void test_save_load_roundtrip(void) {
    const char *path = "test_roundtrip.tmp";   /* FIXTURE: tep tam */

    /* ACT 1: dung store, them, danh dau, LUU ra tep */
    TaskStore *a = store_create();
    int id1 = store_add(a, "viec mot");
    int id2 = store_add(a, "viec hai");
    store_done(a, id1);
    CHECK(store_save(a, path) == true);
    store_destroy(a);

    /* ACT 2: store MOI DOC LAI tu tep (nhu mo lai app) */
    TaskStore *b = store_create();
    CHECK(store_load(b, path) == true);

    /* ASSERT: du lieu song sot qua bien gioi store <-> tep */
    CHECK(store_count(b) == 2);
    Task *t0 = store_at(b, 0);
    Task *t1 = store_at(b, 1);
    CHECK(t0 != NULL);
    CHECK(t1 != NULL);
    if (t0 && t1) {                 /* phong thu: load hong -> bao FAIL sach */
        CHECK(t0->id == id1);
        CHECK(t0->done == true);    /* trang thai cung phai song sot */
        CHECK(t1->done == false);
    }
    store_destroy(b);

    remove(path);                   /* TEARDOWN: don tep tam */
}

tests/run_cli.sh - e2e test

#!/bin/sh
set -eu
TODO="$1"

# FIXTURE: chay trong thu muc tam de todo.dat khong dinh nhau
work="$(mktemp -d)"; cd "$work"

out="$(printf 'them hoc bai\nthem di cho\nxong 1\nin\nthoat\n' | "$TODO")"
printf '%s\n' "$out"

echo "$out" | grep -q '\[x\] hoc bai' || { echo 'FAIL'; exit 1; }
echo "$out" | grep -q '\[ \] di cho'  || { echo 'FAIL'; exit 1; }
echo 'e2e OK'

CMakeLists.txt - đăng ký 2 loại test cho CTest

enable_testing()

# (1) integration: Store + Storage qua tep that
add_executable(test_roundtrip tests/test_roundtrip.c)
target_link_libraries(test_roundtrip PRIVATE todocore)
add_test(NAME roundtrip COMMAND test_roundtrip)

# (2) e2e: chay CLI that, kiem output
add_test(NAME cli_e2e
         COMMAND sh ${CMAKE_CURRENT_SOURCE_DIR}/tests/run_cli.sh $<TARGET_FILE:todo>)

    Start 1: roundtrip
1/2 Test #1: roundtrip ......   Passed
    Start 2: cli_e2e
2/2 Test #2: cli_e2e .......   Passed
100% tests passed, 0 tests failed out of 2