import { spawnSync } from "node:child_process";
import { mkdtempSync, readFileSync, rmSync, writeFileSync } from "node:fs";
import { tmpdir } from "node:os";
import { join } from "node:path";
const installerSource = readFileSync("install.sh", "utf-8");
const mainCall = '\nmain "$@"';
const mainCallIndex = installerSource.lastIndexOf(mainCall);
const ansiPattern = /\x1b\[[0-?]*[ -/]*[@-~]/g;
const syncEnd = "\x1b[?2026l";
const failures = [];
if (mainCallIndex === -1) {
console.error('Installer render check failed: could not find final main "$@" call.');
process.exit(1);
}
const harnessSource = `${installerSource.slice(0, mainCallIndex)}
prime_agent_test_cols=80
prime_agent_test_rows=24
prime_agent_read_terminal_size() {
prime_agent_screen_cols="$prime_agent_test_cols"
prime_agent_screen_rows="$prime_agent_test_rows"
}
print_render_meta() {
label="$1"
if prime_agent_show_logo; then
visible=1
else
visible=0
fi
content_height=$(prime_agent_content_height)
printf '__META__ %s cols=%s rows=%s layout_show_logo=%s lab_width=%s render_lab_width=%s compact=%s visible=%s content_height=%s\\n' \\
"$label" "$prime_agent_screen_cols" "$prime_agent_screen_rows" "$prime_agent_screen_layout_show_logo" \\
"$prime_agent_screen_layout_lab_width" "$prime_agent_screen_render_lab_width" "$prime_agent_screen_compact" "$visible" "$content_height"
}
render_case() {
prime_agent_screen_title="Installing Prime Agent"
prime_agent_screen_detail="Fetching the verified package."
prime_agent_screen_question=
prime_agent_screen_frame=1
prime_agent_screen_cols="$1"
prime_agent_screen_rows="$2"
prime_agent_screen_layout_ready=0
prime_agent_screen_layout_show_logo=0
prime_agent_screen_layout_lab_width=0
prime_agent_screen_render_lab_width=0
prime_agent_screen_compact=0
prime_agent_init_screen_layout
prime_agent_refresh_screen_layout_mode
print_render_meta first
printf '__RENDER_START__ first\\n'
prime_agent_render_screen
printf '__RENDER_END__ first\\n'
prime_agent_screen_frame=2
prime_agent_screen_cols="$3"
prime_agent_screen_rows="$4"
prime_agent_refresh_screen_layout_mode
print_render_meta second
printf '__RENDER_START__ second\\n'
prime_agent_render_screen
printf '__RENDER_END__ second\\n'
}
screen_case() {
prime_agent_screen_enabled=1
prime_agent_screen_drawn=0
prime_agent_screen_last_cols=0
prime_agent_screen_last_rows=0
prime_agent_screen_layout_ready=0
prime_agent_screen_layout_show_logo=0
prime_agent_screen_layout_lab_width=0
prime_agent_screen_render_lab_width=0
prime_agent_screen_compact=0
prime_agent_screen_frame=0
prime_agent_test_cols="$1"
prime_agent_test_rows="$2"
printf '__SCREEN_START__ first\\n' >&2
prime_agent_screen "Installing Prime Agent" "Installing Prime Agent" "Fetching the verified package." ""
printf '__SCREEN_END__ first\\n' >&2
prime_agent_test_cols="$3"
prime_agent_test_rows="$4"
printf '__SCREEN_START__ second\\n' >&2
prime_agent_screen "Installing Prime Agent" "Installing Prime Agent" "Fetching the verified package." ""
printf '__SCREEN_END__ second\\n' >&2
}
progress_case() {
progress_details="Preparing global install.
Linking command binaries.
Finalizing npm install."
for progress_frame in 1 24 25 48 49 200; do
prime_agent_animation_frame="$progress_frame"
printf '__PROGRESS__ %s\t%s\t%s\\n' "$progress_frame" "$(prime_agent_animation_status "Installing Prime Agent" "$progress_details" static)" "$(prime_agent_animation_detail "$progress_details")"
done
}
render_case "$@"
screen_case "$@"
progress_case
`;
const tempDir = mkdtempSync(join(tmpdir(), "prime-agent-installer-render-"));
const harnessPath = join(tempDir, "harness.sh");
try {
writeFileSync(harnessPath, harnessSource, "utf-8");
const stableVisible = runCase("stable visible logo", 100, 30, 90, 30);
check(stableVisible.meta.first.visible === "1", "expected the initial large render to show the logo");
check(stableVisible.meta.second.visible === "1", "expected a safe resize to keep showing the logo");
check(
stableVisible.meta.first.lab_width === stableVisible.meta.second.lab_width,
"expected logo lab width to stay stable across a safe resize",
);
assertInstallerProgress(stableVisible.progress);
const stableExpand = runCase("stable expanded logo", 60, 24, 120, 32);
check(stableExpand.meta.first.visible === "1", "expected the initial medium render to show the logo");
check(stableExpand.meta.second.visible === "1", "expected terminal growth to keep showing the logo");
check(
stableExpand.meta.first.lab_width === stableExpand.meta.second.lab_width,
"expected logo lab width not to grow after terminal expansion",
);
const noLogoStart = runCase("small initial terminal", 41, 24, 100, 30);
check(noLogoStart.meta.first.layout_show_logo === "0", "expected a too-narrow initial terminal to freeze text-only layout");
check(noLogoStart.meta.second.visible === "0", "expected terminal growth not to enable a logo after text-only layout was frozen");
const narrowLogo = runCase("narrow logo on width shrink", 100, 30, 60, 24);
check(narrowLogo.meta.first.visible === "1", "expected the initial wide render to show the logo");
check(narrowLogo.meta.second.compact === "0", "expected shrink below frozen lab width to keep rendering the logo");
check(narrowLogo.meta.second.visible === "1", "expected narrow width mode to keep showing the logo");
check(
Number(narrowLogo.meta.second.render_lab_width) <= 59,
"expected narrow width mode to keep the rendered lab width inside the resized terminal",
);
const compactWidth = runCase("compact on severe width shrink", 100, 30, 32, 24);
check(compactWidth.meta.first.visible === "1", "expected the initial wide render to show the logo");
check(compactWidth.meta.second.compact === "1", "expected shrink below logo width to use compact mode");
check(compactWidth.meta.second.visible === "0", "expected severe compact width mode to hide the logo");
const compactRows = runCase("compact on row shrink", 100, 30, 100, 10);
check(compactRows.meta.first.visible === "1", "expected the initial tall render to show the logo");
check(compactRows.meta.second.compact === "1", "expected shrink below frozen splash height to use compact mode");
check(compactRows.meta.second.visible === "0", "expected compact row mode to hide the logo");
} finally {
rmSync(tempDir, { recursive: true, force: true });
}
if (failures.length > 0) {
console.error(["Installer render check failed:", ...failures.map((failure) => `- ${failure}`)].join("\n"));
process.exit(1);
}
console.log("Installer render check passed.");
function runCase(name, initialCols, initialRows, resizedCols, resizedRows) {
const result = spawnSync("sh", [harnessPath, String(initialCols), String(initialRows), String(resizedCols), String(resizedRows)], {
detached: true,
encoding: "utf-8",
});
if (result.status !== 0) {
failures.push(`${name}: harness exited with ${result.status ?? "unknown"}\n${result.stderr}${result.stdout}`);
return emptyParsedCase();
}
const parsed = parseRenderOutput(result.stdout);
parsed.screens = parseScreenOutput(result.stderr);
assertLineWidths(name, "first", parsed, initialCols, initialRows);
assertLineWidths(name, "second", parsed, resizedCols, resizedRows);
assertScreenFrame(name, "first", parsed, initialCols, initialRows);
assertScreenFrame(name, "second", parsed, resizedCols, resizedRows);
return parsed;
}
function parseRenderOutput(output) {
const parsed = emptyParsedCase();
let activeRender = null;
for (const rawLine of output.split("\n")) {
const line = rawLine.replace(/\r$/, "");
if (line.startsWith("__META__ ")) {
const [, label, ...fields] = line.split(" ");
parsed.meta[label] = Object.fromEntries(fields.map((field) => field.split("=")));
continue;
}
if (line.startsWith("__RENDER_START__ ")) {
activeRender = line.slice("__RENDER_START__ ".length);
parsed.renders[activeRender] = [];
continue;
}
if (line.startsWith("__RENDER_END__ ")) {
activeRender = null;
continue;
}
if (line.startsWith("__PROGRESS__ ")) {
const [frame, status, detail] = line.slice("__PROGRESS__ ".length).split("\t");
parsed.progress.push({ frame: Number(frame), status, detail });
continue;
}
if (activeRender) {
parsed.renders[activeRender].push(line.replace(ansiPattern, ""));
}
}
return parsed;
}
function parseScreenOutput(output) {
const screens = {};
for (const label of ["first", "second"]) {
const startToken = `__SCREEN_START__ ${label}\n`;
const endToken = `__SCREEN_END__ ${label}\n`;
const startIndex = output.indexOf(startToken);
if (startIndex === -1) {
failures.push(`missing ${label} screen start marker`);
continue;
}
const contentStart = startIndex + startToken.length;
const endIndex = output.indexOf(endToken, contentStart);
if (endIndex === -1) {
failures.push(`missing ${label} screen end marker`);
continue;
}
screens[label] = output.slice(contentStart, endIndex);
}
return screens;
}
function assertInstallerProgress(progress) {
check(progress.length === 6, `expected six progress samples, got ${progress.length}`);
if (progress.length !== 6) return;
const expectedDetails = [
"Preparing global install.",
"Preparing global install.",
"Linking command binaries.",
"Linking command binaries.",
"Finalizing npm install.",
"Finalizing npm install.",
];
for (const [index, expectedDetail] of expectedDetails.entries()) {
check(
progress[index].detail === expectedDetail,
`expected progress sample ${index + 1} to show "${expectedDetail}", got "${progress[index].detail}"`,
);
check(
progress[index].status === "Installing Prime Agent...",
`expected progress sample ${index + 1} to use indeterminate status`,
);
check(!progress[index].status.includes("%"), `expected progress sample ${index + 1} not to include a percent`);
}
}
function assertLineWidths(name, label, parsed, cols, rows) {
const lines = parsed.renders[label] ?? [];
check(lines.length === rows, `${name}: expected ${label} render to have ${rows} rows, got ${lines.length}`);
const maxWidth = Math.max(cols - 1, 0);
for (const [index, line] of lines.entries()) {
check(line.length <= maxWidth, `${name}: ${label} render line ${index + 1} reached ${line.length} columns in a ${cols}-column terminal`);
}
}
function assertScreenFrame(name, label, parsed, cols, rows) {
const screen = parsed.screens[label] ?? "";
check(screen.endsWith(syncEnd), `${name}: expected ${label} screen frame to end with synchronized update close`);
check(!screen.endsWith(`\n${syncEnd}`), `${name}: expected ${label} screen frame not to emit a trailing row newline`);
check(countNewlines(screen) === rows - 1, `${name}: expected ${label} screen frame to contain ${rows - 1} line breaks`);
const lines = screen.replace(ansiPattern, "").split("\n");
check(lines.length === rows, `${name}: expected ${label} screen frame to contain ${rows} rows, got ${lines.length}`);
const maxWidth = Math.max(cols - 1, 0);
for (const [index, line] of lines.entries()) {
check(line.length <= maxWidth, `${name}: ${label} screen line ${index + 1} reached ${line.length} columns in a ${cols}-column terminal`);
}
}
function countNewlines(text) {
let count = 0;
for (const char of text) {
if (char === "\n") count++;
}
return count;
}
function check(condition, message) {
if (!condition) {
failures.push(message);
}
}
function emptyParsedCase() {
return {
meta: {
first: {},
second: {},
},
renders: {
first: [],
second: [],
},
screens: {},
progress: [],
};
}