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std.Build.Cache: make unit tests not depend on cwd

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This makes them more resilient to being run multiple times by multiple
different processes at the same time.
This commit is contained in:
Andrew Kelley 2023-03-14 16:38:14 -07:00
parent 363d4a107d
commit 717e2c8718
1 changed files with 35 additions and 43 deletions
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78
lib/std/Build/Cache.zig
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@ -976,16 +976,16 @@ fn hashFile(file: fs.File, bin_digest: *[Hasher.mac_length]u8) !void {
}
// Create/Write a file, close it, then grab its stat.mtime timestamp.
fn testGetCurrentFileTimestamp() !i128 {
fn testGetCurrentFileTimestamp(dir: fs.Dir) !i128 {
const test_out_file = "test-filetimestamp.tmp";
var file = try fs.cwd().createFile(test_out_file, .{
var file = try dir.createFile(test_out_file, .{
.read = true,
.truncate = true,
});
defer {
file.close();
fs.cwd().deleteFile(test_out_file) catch {};
dir.deleteFile(test_out_file) catch {};
}
return (try file.stat()).mtime;
@ -997,16 +997,17 @@ test "cache file and then recall it" {
return error.SkipZigTest;
}
const cwd = fs.cwd();
var tmp = testing.tmpDir(.{});
defer tmp.cleanup();
const temp_file = "test.txt";
const temp_manifest_dir = "temp_manifest_dir";
try cwd.writeFile(temp_file, "Hello, world!\n");
try tmp.dir.writeFile(temp_file, "Hello, world!\n");
// Wait for file timestamps to tick
const initial_time = try testGetCurrentFileTimestamp();
while ((try testGetCurrentFileTimestamp()) == initial_time) {
const initial_time = try testGetCurrentFileTimestamp(tmp.dir);
while ((try testGetCurrentFileTimestamp(tmp.dir)) == initial_time) {
std.time.sleep(1);
}
@ -1016,9 +1017,9 @@ test "cache file and then recall it" {
{
var cache = Cache{
.gpa = testing.allocator,
.manifest_dir = try cwd.makeOpenPath(temp_manifest_dir, .{}),
.manifest_dir = try tmp.dir.makeOpenPath(temp_manifest_dir, .{}),
};
cache.addPrefix(.{ .path = null, .handle = fs.cwd() });
cache.addPrefix(.{ .path = null, .handle = tmp.dir });
defer cache.manifest_dir.close();
{
@ -1054,9 +1055,6 @@ test "cache file and then recall it" {
try testing.expectEqual(digest1, digest2);
}
try cwd.deleteTree(temp_manifest_dir);
try cwd.deleteFile(temp_file);
}
test "check that changing a file makes cache fail" {
@ -1064,21 +1062,19 @@ test "check that changing a file makes cache fail" {
// https://github.com/ziglang/zig/issues/5437
return error.SkipZigTest;
}
const cwd = fs.cwd();
var tmp = testing.tmpDir(.{});
defer tmp.cleanup();
const temp_file = "cache_hash_change_file_test.txt";
const temp_manifest_dir = "cache_hash_change_file_manifest_dir";
const original_temp_file_contents = "Hello, world!\n";
const updated_temp_file_contents = "Hello, world; but updated!\n";
try cwd.deleteTree(temp_manifest_dir);
try cwd.deleteTree(temp_file);
try cwd.writeFile(temp_file, original_temp_file_contents);
try tmp.dir.writeFile(temp_file, original_temp_file_contents);
// Wait for file timestamps to tick
const initial_time = try testGetCurrentFileTimestamp();
while ((try testGetCurrentFileTimestamp()) == initial_time) {
const initial_time = try testGetCurrentFileTimestamp(tmp.dir);
while ((try testGetCurrentFileTimestamp(tmp.dir)) == initial_time) {
std.time.sleep(1);
}
@ -1088,9 +1084,9 @@ test "check that changing a file makes cache fail" {
{
var cache = Cache{
.gpa = testing.allocator,
.manifest_dir = try cwd.makeOpenPath(temp_manifest_dir, .{}),
.manifest_dir = try tmp.dir.makeOpenPath(temp_manifest_dir, .{}),
};
cache.addPrefix(.{ .path = null, .handle = fs.cwd() });
cache.addPrefix(.{ .path = null, .handle = tmp.dir });
defer cache.manifest_dir.close();
{
@ -1110,7 +1106,7 @@ test "check that changing a file makes cache fail" {
try ch.writeManifest();
}
try cwd.writeFile(temp_file, updated_temp_file_contents);
try tmp.dir.writeFile(temp_file, updated_temp_file_contents);
{
var ch = cache.obtain();
@ -1132,9 +1128,6 @@ test "check that changing a file makes cache fail" {
try testing.expect(!mem.eql(u8, digest1[0..], digest2[0..]));
}
try cwd.deleteTree(temp_manifest_dir);
try cwd.deleteTree(temp_file);
}
test "no file inputs" {
@ -1142,18 +1135,20 @@ test "no file inputs" {
// https://github.com/ziglang/zig/issues/5437
return error.SkipZigTest;
}
const cwd = fs.cwd();
var tmp = testing.tmpDir(.{});
defer tmp.cleanup();
const temp_manifest_dir = "no_file_inputs_manifest_dir";
defer cwd.deleteTree(temp_manifest_dir) catch {};
var digest1: [hex_digest_len]u8 = undefined;
var digest2: [hex_digest_len]u8 = undefined;
var cache = Cache{
.gpa = testing.allocator,
.manifest_dir = try cwd.makeOpenPath(temp_manifest_dir, .{}),
.manifest_dir = try tmp.dir.makeOpenPath(temp_manifest_dir, .{}),
};
cache.addPrefix(.{ .path = null, .handle = fs.cwd() });
cache.addPrefix(.{ .path = null, .handle = tmp.dir });
defer cache.manifest_dir.close();
{
@ -1188,18 +1183,19 @@ test "Manifest with files added after initial hash work" {
// https://github.com/ziglang/zig/issues/5437
return error.SkipZigTest;
}
const cwd = fs.cwd();
var tmp = testing.tmpDir(.{});
defer tmp.cleanup();
const temp_file1 = "cache_hash_post_file_test1.txt";
const temp_file2 = "cache_hash_post_file_test2.txt";
const temp_manifest_dir = "cache_hash_post_file_manifest_dir";
try cwd.writeFile(temp_file1, "Hello, world!\n");
try cwd.writeFile(temp_file2, "Hello world the second!\n");
try tmp.dir.writeFile(temp_file1, "Hello, world!\n");
try tmp.dir.writeFile(temp_file2, "Hello world the second!\n");
// Wait for file timestamps to tick
const initial_time = try testGetCurrentFileTimestamp();
while ((try testGetCurrentFileTimestamp()) == initial_time) {
const initial_time = try testGetCurrentFileTimestamp(tmp.dir);
while ((try testGetCurrentFileTimestamp(tmp.dir)) == initial_time) {
std.time.sleep(1);
}
@ -1210,9 +1206,9 @@ test "Manifest with files added after initial hash work" {
{
var cache = Cache{
.gpa = testing.allocator,
.manifest_dir = try cwd.makeOpenPath(temp_manifest_dir, .{}),
.manifest_dir = try tmp.dir.makeOpenPath(temp_manifest_dir, .{}),
};
cache.addPrefix(.{ .path = null, .handle = fs.cwd() });
cache.addPrefix(.{ .path = null, .handle = tmp.dir });
defer cache.manifest_dir.close();
{
@ -1245,11 +1241,11 @@ test "Manifest with files added after initial hash work" {
try testing.expect(mem.eql(u8, &digest1, &digest2));
// Modify the file added after initial hash
try cwd.writeFile(temp_file2, "Hello world the second, updated\n");
try tmp.dir.writeFile(temp_file2, "Hello world the second, updated\n");
// Wait for file timestamps to tick
const initial_time2 = try testGetCurrentFileTimestamp();
while ((try testGetCurrentFileTimestamp()) == initial_time2) {
const initial_time2 = try testGetCurrentFileTimestamp(tmp.dir);
while ((try testGetCurrentFileTimestamp(tmp.dir)) == initial_time2) {
std.time.sleep(1);
}
@ -1272,8 +1268,4 @@ test "Manifest with files added after initial hash work" {
try testing.expect(!mem.eql(u8, &digest1, &digest3));
}
try cwd.deleteTree(temp_manifest_dir);
try cwd.deleteFile(temp_file1);
try cwd.deleteFile(temp_file2);
}