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Merge pull request #278 from chrboesch/testing
Added new flag 'run_test' to support test steps for test exercises
This commit is contained in:
commit
ab94a50b3f
2 changed files with 91 additions and 6 deletions
87
build.zig
87
build.zig
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@ -34,6 +34,10 @@ pub const Exercise = struct {
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/// We need to keep track of this, so we compile with libc.
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link_libc: bool = false,
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/// This exercise doesn't have a main function.
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/// We only call the test.
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run_test: bool = false,
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/// This exercise is not supported by the current Zig compiler.
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skip: bool = false,
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@ -133,6 +137,7 @@ pub fn build(b: *Build) !void {
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const header_step = PrintStep.create(b, logo);
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// If the user pass a number for an exercise
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if (exno) |n| {
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if (n == 0 or n > exercises.len - 1) {
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print("unknown exercise number: {}\n", .{n});
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@ -212,6 +217,7 @@ pub fn build(b: *Build) !void {
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return;
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}
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// Run all exercises in a row
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const ziglings_step = b.step("ziglings", "Check all ziglings");
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b.default_step = ziglings_step;
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@ -247,6 +253,7 @@ const ZiglingStep = struct {
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exercise: Exercise,
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work_path: []const u8,
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is_testing: bool = false,
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result_messages: []const u8 = "",
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result_error_bundle: std.zig.ErrorBundle = std.zig.ErrorBundle.empty,
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@ -266,6 +273,8 @@ const ZiglingStep = struct {
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}
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fn make(step: *Step, prog_node: *std.Progress.Node) !void {
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// NOTE: Using exit code 2 will prevent the Zig compiler to print the message:
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// "error: the following build command failed with exit code 1:..."
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const self = @fieldParentPtr(ZiglingStep, "step", step);
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if (self.exercise.skip) {
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@ -274,15 +283,23 @@ const ZiglingStep = struct {
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return;
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}
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// Test exercise.
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if (self.exercise.run_test) {
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self.is_testing = true;
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const result_msg = self.testing(prog_node) catch {
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std.os.exit(2);
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};
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const output = try trimLines(self.step.owner.allocator, result_msg);
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print("\n{s}PASSED:\n{s}{s}\n\n", .{ green_text, output, reset_text });
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return;
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}
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// Normal exercise.
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const exe_path = self.compile(prog_node) catch {
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if (self.exercise.hint) |hint|
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print("\n{s}Ziglings hint: {s}{s}", .{ bold_text, hint, reset_text });
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self.help();
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// NOTE: Using exit code 2 will prevent the Zig compiler to print
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// the message:
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// "error: the following build command failed with exit code 1:..."
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std.os.exit(2);
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};
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@ -291,8 +308,6 @@ const ZiglingStep = struct {
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print("\n{s}Ziglings hint: {s}{s}", .{ bold_text, hint, reset_text });
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self.help();
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// NOTE: See note above!
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std.os.exit(2);
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};
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}
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@ -366,6 +381,57 @@ const ZiglingStep = struct {
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print("{s}PASSED:\n{s}{s}\n\n", .{ green_text, output, reset_text });
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}
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fn testing(self: *ZiglingStep, prog_node: *std.Progress.Node) ![]const u8 {
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print("Testing {s}...\n", .{self.exercise.main_file});
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const b = self.step.owner;
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const exercise_path = self.exercise.main_file;
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const path = join(b.allocator, &.{ self.work_path, exercise_path }) catch
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@panic("OOM");
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var zig_args = std.ArrayList([]const u8).init(b.allocator);
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defer zig_args.deinit();
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zig_args.append(b.zig_exe) catch @panic("OOM");
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zig_args.append("test") catch @panic("OOM");
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zig_args.append(b.pathFromRoot(path)) catch @panic("OOM");
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const argv = zig_args.items;
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var code: u8 = undefined;
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_ = self.eval(argv, &code, prog_node) catch |err| {
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self.printErrors();
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switch (err) {
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error.FileNotFound => {
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print("{s}{s}: Unable to spawn the following command: file not found{s}\n", .{
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red_text, self.exercise.main_file, reset_text,
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});
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dumpArgs(argv);
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},
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error.ExitCodeFailure => {
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// Expected when test fails.
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},
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error.ProcessTerminated => {
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print("{s}{s}: The following command terminated unexpectedly:{s}\n", .{
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red_text, self.exercise.main_file, reset_text,
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});
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dumpArgs(argv);
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},
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else => {
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print("{s}{s}: Unexpected error: {s}{s}\n", .{
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red_text, self.exercise.main_file, @errorName(err), reset_text,
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});
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dumpArgs(argv);
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},
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}
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return err;
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};
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return self.result_messages;
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}
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fn compile(self: *ZiglingStep, prog_node: *std.Progress.Node) ![]const u8 {
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print("Compiling {s}...\n", .{self.exercise.main_file});
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@ -535,6 +601,9 @@ const ZiglingStep = struct {
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},
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}
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if (self.is_testing) {
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return "ok";
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}
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return result orelse return error.ZigIPCError;
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}
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@ -1240,6 +1309,12 @@ const exercises = [_]Exercise{
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\\4. Warrior (Gold: 7392, XP: 21)
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,
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},
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.{
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.main_file = "102_testing.zig",
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.output = "All 1 tests passed.",
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.run_test = true,
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.skip = true,
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},
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.{
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.main_file = "999_the_end.zig",
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.output =
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10
exercises/102_testing.zig
Normal file
10
exercises/102_testing.zig
Normal file
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@ -0,0 +1,10 @@
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const std = @import("std");
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const testing = std.testing;
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fn add(a: u16, b: u16) u16 {
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return a + b;
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}
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test "simple test" {
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try testing.expect(add(41, 1) == 42);
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}
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