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fn_registry/cpp/tests/test_fn_table_viz_smoke.cpp

192 lines
8.2 KiB
C++

// test_fn_table_viz_smoke.cpp — Linker smoke test for fn_table_viz static lib.
// Issue 0081-I. Verifies that all 11 .cpp files in fn_table_viz resolve symbols
// at link time. Does NOT call data_table::render (requires ImGui context).
//
// Build: cmake --build cpp/build/linux --target test_fn_table_viz_smoke
// Run: ./cpp/build/linux/tests/test_fn_table_viz_smoke
#include "core/compute_stage.h"
#include "core/compute_pipeline.h"
#include "core/tql_emit.h"
#include "core/tql_apply.h"
#include "core/lua_engine.h"
#include "core/join_tables.h"
#include "core/auto_detect_type.h"
#include "core/compute_column_stats.h"
#include "viz/viz_render.h"
#include "data_table/data_table.h"
#include <cassert>
#include <cstdio>
#include <string>
#include <vector>
using namespace data_table;
// ---------------------------------------------------------------------------
// Minimal input: 3 rows x 2 cols (string + numeric).
// ---------------------------------------------------------------------------
static const char* g_cells[] = {
"Alice", "10",
"Bob", "20",
"Carol", "30",
};
// ---------------------------------------------------------------------------
// Test 1: compute_stage with trivial Stage (no filters, no agg, no sort).
// ---------------------------------------------------------------------------
static void test_compute_stage_passthrough() {
Stage s; // empty stage = passthrough
std::vector<std::string> hdrs = {"Name", "Value"};
std::vector<ColumnType> types = {ColumnType::String, ColumnType::Float};
StageOutput out = compute_stage(g_cells, 3, 2, hdrs, types, s);
assert(out.rows == 3 && "compute_stage: rows must be 3");
assert(out.cols == 2 && "compute_stage: cols must be 2");
std::printf("PASS: compute_stage passthrough (rows=%d cols=%d)\n",
out.rows, out.cols);
}
// ---------------------------------------------------------------------------
// Test 2: auto_detect_type on the Value column (all numeric).
// ---------------------------------------------------------------------------
static void test_auto_detect_type() {
std::vector<std::string> hdrs = {"Name", "Value"};
std::vector<ColumnType> types = {ColumnType::String, ColumnType::Float};
// Detect type for column 1 (Value: "10","20","30" -> Float or Int)
ColumnType t = auto_detect_type(g_cells, 3, 2, /*col=*/1);
assert((t == ColumnType::Float || t == ColumnType::Int) &&
"auto_detect_type: Value col should be Float or Int");
std::printf("PASS: auto_detect_type numeric (%s)\n",
t == ColumnType::Float ? "Float" : "Int");
}
// ---------------------------------------------------------------------------
// Test 3: compute_column_stats on the Value column.
// ---------------------------------------------------------------------------
static void test_compute_column_stats() {
ColStats s = compute_column_stats(g_cells, 3, 2, /*col=*/1);
assert(s.numeric && "compute_column_stats: Value col should be numeric");
assert(s.numeric_count == 3 && "compute_column_stats: 3 numeric values");
assert(s.min < s.max && "compute_column_stats: min < max");
std::printf("PASS: compute_column_stats (min=%.1f max=%.1f mean=%.1f)\n",
s.min, s.max, s.mean);
}
// ---------------------------------------------------------------------------
// Test 4: tql_emit -> tql_apply round-trip on a trivial State.
// ---------------------------------------------------------------------------
static void test_tql_roundtrip() {
State st;
st.stages.push_back(Stage{});
st.active_stage = 0;
st.display = ViewMode::Table;
std::vector<std::string> hdrs = {"Name", "Value"};
std::vector<ColumnType> types = {ColumnType::String, ColumnType::Float};
std::string lua_text = tql::emit(st, hdrs, types);
assert(!lua_text.empty() && "tql_emit: must produce non-empty Lua text");
auto res = tql::apply(lua_text, hdrs);
assert(res.ok && "tql_apply: round-trip must succeed");
assert(!res.state.stages.empty() && "tql_apply: state must have stages");
std::printf("PASS: tql_emit+tql_apply round-trip (ok=%s warnings=%zu)\n",
res.ok ? "true" : "false", res.warnings.size());
}
// ---------------------------------------------------------------------------
// Test 5: tql_apply extended overload (playground-compat bool signature).
// ---------------------------------------------------------------------------
static void test_tql_apply_extended() {
State st;
st.stages.push_back(Stage{});
std::vector<std::string> hdrs = {"Name", "Value"};
std::vector<ColumnType> types = {ColumnType::String, ColumnType::Float};
std::string lua_text = tql::emit(st, hdrs, types);
std::string err;
State out_st;
bool ok = tql::apply(lua_text, out_st, hdrs, types, g_cells, 3, 2, &err);
assert(ok && "tql_apply extended: must succeed");
assert(!out_st.stages.empty() && "tql_apply extended: state must have stages");
std::printf("PASS: tql_apply extended overload (ok=%s)\n",
ok ? "true" : "false");
}
// ---------------------------------------------------------------------------
// Test 6: lua_engine get + compile + release (verifies Lua 5.4 links).
// ---------------------------------------------------------------------------
static void test_lua_engine_compile() {
lua_engine::Engine* e = lua_engine::get();
assert(e && "lua_engine::get must return non-null");
std::string err;
int id = lua_engine::compile(e, "return row['Value'] * 2", &err);
assert(id >= 0 && "lua_engine::compile must succeed");
lua_engine::release(e, id);
lua_engine::shutdown();
std::printf("PASS: lua_engine compile + release (id=%d)\n", id);
}
// ---------------------------------------------------------------------------
// Test 7: join_tables trivial self-join.
// ---------------------------------------------------------------------------
static void test_join_tables_trivial() {
std::vector<std::string> hdrs = {"Name", "Value"};
std::vector<ColumnType> types = {ColumnType::String, ColumnType::Float};
TableInput right;
right.name = "right";
right.headers = hdrs;
right.types = types;
right.cells = g_cells;
right.rows = 3;
right.cols = 2;
Join j;
j.alias = "r";
j.source = "right";
j.on = {{"Name", "Name"}};
j.strategy = JoinStrategy::Left;
StageOutput out = join_tables(g_cells, 3, 2, hdrs, types, right, j);
assert(out.rows == 3 && "join_tables: self-join must produce 3 rows");
std::printf("PASS: join_tables trivial self-join (rows=%d cols=%d)\n",
out.rows, out.cols);
}
// ---------------------------------------------------------------------------
// Test 8: data_table::render symbol is linkable (Wave 3.5 — issue 0081-I).
// Does NOT call render (requires ImGui context); just takes its address.
// ---------------------------------------------------------------------------
static void test_data_table_render_links() {
// Taking the address of render verifies the linker resolved the symbol
// from data_table.cpp inside fn_table_viz. No ImGui context needed.
// Use the events_out overload (Phase 2) as the canonical full-signature check.
auto* render_fn = static_cast<void(*)(const char*,
const std::vector<data_table::TableInput>&,
data_table::State&,
std::vector<data_table::TableEvent>*,
bool)>(&data_table::render);
(void)render_fn;
std::printf("PASS: data_table::render symbol links (address=%p)\n",
reinterpret_cast<void*>(render_fn));
}
// ---------------------------------------------------------------------------
// main
// ---------------------------------------------------------------------------
int main() {
std::printf("=== test_fn_table_viz_smoke ===\n");
test_compute_stage_passthrough();
test_auto_detect_type();
test_compute_column_stats();
test_tql_roundtrip();
test_tql_apply_extended();
test_lua_engine_compile();
test_join_tables_trivial();
test_data_table_render_links();
std::printf("=== ALL TESTS PASSED ===\n");
return 0;
}