diff options
Diffstat (limited to 'src/ninep/ctl.zig')
| -rw-r--r-- | src/ninep/ctl.zig | 344 |
1 files changed, 319 insertions, 25 deletions
diff --git a/src/ninep/ctl.zig b/src/ninep/ctl.zig index 397f3339..5bf354eb 100644 --- a/src/ninep/ctl.zig +++ b/src/ninep/ctl.zig @@ -251,8 +251,9 @@ pub fn captured(p: *Pardes, req: Req, id: usize, exec: bool, text: []const u8, i /// EIO. fn failureErrno(failure: []const u8) u16 { if (std.mem.indexOf(u8, failure, "no such") != null or std.mem.indexOf(u8, failure, "not found") != null) return E.NOENT; - // A pattern refused (Edit's too) is malformed input, as 9ns reads it. - if (std.mem.indexOf(u8, failure, "bad regular expression") != null) return E.INVAL; + // A pattern refused (Edit's too) is malformed input, as 9ns reads it; + // so is a word this build has not (`invalid: acme's Put ...`). + if (std.mem.indexOf(u8, failure, "bad regular expression") != null or std.mem.startsWith(u8, failure, "invalid")) return E.INVAL; return E.IO; } @@ -330,13 +331,13 @@ fn writeQuoted(w: *std.Io.Writer, s: []const u8) !void { try w.writeByte('\''); } -pub const pane_text_cap = 7 * 12 + 2 * 256 + 4 + "notcurrent ".len + 48; +pub const pane_text_cap = 9 * 12 + 2 * 256 + 4 + "notcurrent ".len + 48; -/// acme's winctlprint: serial, tag length, body length, a reserved zero, the -/// dirty flag, then the width in cells, the font and the tab width. Then -/// rio's word for whether the window has the keyboard, `current` or -/// `notcurrent` (rio(4), wctl), which acme's line has no room for because -/// acme has one window for input at a time only by the mouse. +/// acme's winctlprint (plan9port wind.c), field for field: serial, tag +/// length, body length, isdir (0), the dirty flag, the width in cells, the +/// font, the tab width, whether Undo has a step, whether Redo has one. Then +/// pardes's own: rio's word for whether the window has the keyboard, +/// `current` or `notcurrent` (rio(4), wctl), and a REPL's id. pub fn paneText(p: *Pardes, pane: *Pane, buf: []u8) []const u8 { var w = std.Io.Writer.fixed(buf); w.print("{d:>11} {d:>11} {d:>11} {d:>11} {d:>11} {d:>11} ", .{ @@ -352,7 +353,10 @@ pub fn paneText(p: *Pardes, pane: *Pane, buf: []u8) []const u8 { writeQuoted(&w, if (font.len == 0) "default" else font) catch return w.buffered(); // While a column's or the workspace's tag has the keyboard, no pane does. const current = p.panes[p.active] == pane and !p.header_focus; - w.print(" {d:>11} {s} ", .{ config.tab_width, if (current) "current" else "notcurrent" }) catch {}; + const f = pane_files.fileOf(pane); + const undo = if (f) |file| file.history.undo_len > 0 else false; + const redo = if (f) |file| file.history.redo_len > 0 else false; + w.print(" {d:>11} {d:>11} {d:>11} {s} ", .{ config.tab_width, @intFromBool(undo), @intFromBool(redo), if (current) "current" else "notcurrent" }) catch {}; // A terminal bound as a REPL ends with its id, `python-a`. var idbuf: [48]u8 = undefined; const id = exec_line.replId(&idbuf, pane); @@ -387,7 +391,13 @@ pub fn refuseTo(p: *Pardes, req: Req, why: []const u8, line: []const u8, ctl: [] /// as on a tag; acme's lowercase verbs are the pane ctl's and alias none. fn checkBuiltin(p: *Pardes, req: Req, line: []const u8, scope: builtins.Scope) ?Reply { const sp = std.mem.indexOfAny(u8, line, " \t"); - const word = line[0 .. sp orelse line.len]; + const typed = line[0 .. sp orelse line.len]; + // acme's words: checked as the pardes word they run as, or refused. + const word = for (pardes.exec.acme_words) |w| { + if (!std.mem.eql(u8, typed, w.acme)) continue; + const now = w.pardes orelse return tree.failText(req.tag, E.INVAL, std.fmt.bufPrint(&p.fs.ename, "invalid: acme's {s} is not a pardes builtin{s}", .{ w.acme, w.hint }) catch "invalid: an acme word pardes has not"); + break now; + } else typed; const arg = if (sp) |s| std.mem.trim(u8, line[s + 1 ..], " \t") else ""; const b = std.meta.stringToEnum(Builtin, word) orelse { // A setting this build's frontend cannot show (Lift, GripWidth on a @@ -777,10 +787,19 @@ pub fn writePane(p: *Pardes, req: Req, pane: *Pane) Reply { if (apply) p.fs.results_len = 0; var held = !other and pane.fs.lock != null; var it = Messages.init(p, req.data); - while (it.next()) |line| { - if (line.len == 0) continue; + while (it.next()) |line_in| { + if (line_in.len == 0) continue; // A line before this one may have closed the pane (`Del`). if (apply and p.paneBySerial(serial) == null) return Reply.fail(req.tag, E.NOENT); + // acme's ctl words: done by the file that replaces each, or the + // builtin that does it, checked with the rest before any runs. + var line = line_in; + switch (acmeCtl(p, req, serial, line_in, apply)) { + .no => {}, + .done => continue, + .refused => |r| return r, + .builtin => |word| line = word, + } if (std.mem.eql(u8, line, "get")) { if (!apply) continue; // Quoting the line, as a builtin's refusal (Save's) does. @@ -854,6 +873,72 @@ pub fn writePane(p: *Pardes, req: Req, pane: *Pane) Reply { return .{ .tag = req.tag, .written = @intCast(req.data.len) }; } +/// acme's pane ctl vocabulary (editors/acme/xfid.c xfidctlwrite): each word +/// done here by the file that replaces it, or run as the builtin that does +/// it; those with no place here refused with why. +const AcmeCtl = union(enum) { no, done, refused: Reply, builtin: []const u8 }; + +fn acmeCtl(p: *Pardes, req: Req, serial: u32, line: []const u8, apply: bool) AcmeCtl { + const id = p.paneBySerial(serial) orelse return .no; + const pane = p.panes[id].?; + const word = line[0 .. std.mem.indexOfScalar(u8, line, ' ') orelse line.len]; + const rest = std.mem.trim(u8, line[word.len..], " "); + const File = tree.PaneFile; + // A word written to one of the pane's own files, as acme's is to its. + const Into = struct { file: File, data: []const u8 }; + const into: ?Into = if (std.mem.eql(u8, word, "name") and rest.len > 0) + .{ .file = .name, .data = rest } + else if (std.mem.eql(u8, line, "clean")) + .{ .file = .dirty, .data = "0" } + else if (std.mem.eql(u8, line, "dirty")) + .{ .file = .dirty, .data = "1" } + else if (std.mem.eql(u8, line, "mark")) + .{ .file = .mark, .data = "1" } + else if (std.mem.eql(u8, line, "nomark")) + .{ .file = .mark, .data = "0" } + else + null; + if (into) |w| { + if (!apply) return .done; + const r = pane_files.write(p, .{ .tag = req.tag, .op = .write, .node = tree.Node.of(serial, w.file), .data = w.data }, id, pane, w.file); + return if (r.status == .err) .{ .refused = r } else .done; + } + if (std.mem.eql(u8, line, "put")) return .{ .builtin = "Save" }; + if (std.mem.eql(u8, line, "del")) return .{ .builtin = "Del" }; + if (std.mem.eql(u8, line, "delete")) return .{ .builtin = "Delete" }; + const pf = &pane.fs; + if (std.mem.eql(u8, line, "dot=addr")) { + if (apply) pane_files.setDot(pane, pf.addr); + return .done; + } + if (std.mem.eql(u8, line, "addr=dot")) { + if (apply) pf.addr = pane_files.dotOf(pane); + return .done; + } + if (std.mem.eql(u8, line, "limit=addr")) { + if (apply) pf.limit = pf.addr; + return .done; + } + if (std.mem.eql(u8, line, "show")) { + if (apply) pane_files.showOffset(pane, pane_files.dotOf(pane).q0); + return .done; + } + if (std.mem.eql(u8, line, "cleartag")) { + if (apply) _ = pane_files.truncate(p, pane, .tag); + return .done; + } + const none: ?[]const u8 = if (std.mem.eql(u8, word, "dump") or std.mem.eql(u8, word, "dumpdir")) + "a pane is dumped with the session: Dump and DumpDir on /ctl" + else if (std.mem.eql(u8, word, "font")) + "the font is the session's: Font on /ctl" + else if (std.mem.eql(u8, line, "menu") or std.mem.eql(u8, line, "nomenu")) + "pardes has no menu" + else + null; + if (none) |why| return .{ .refused = tree.failText(req.tag, E.INVAL, std.fmt.bufPrint(&p.fs.ename, "invalid: acme's {s}: {s}", .{ word, why }) catch "invalid: acme's ctl word") }; + return .no; +} + const e_not_locked = "pane not locked by this open"; /// Who holds it is another open of this ctl, whose client pardes cannot name. const e_locked = tree.e_in_use ++ ": another open of this ctl holds the lock"; @@ -922,7 +1007,7 @@ const root_status = @intFromEnum(tree.TopFile.status); const root_look = @intFromEnum(tree.TopFile.look); const root_exec = @intFromEnum(tree.TopFile.exec); -test "pane ctl read is index's five fields plus width in cells, font, tab width and whether it is current" { +test "pane ctl read is acme's fields -- index's five, width in cells, font, tab width, undo, redo -- then whether it is current" { const gpa = testing.allocator; const p = try withFile(gpa, "x\n"); defer p.deinit(); @@ -932,8 +1017,8 @@ test "pane ctl read is index's five fields plus width in cells, font, tab width try testing.expectEqual(Status.ok, a.reply.status); var want: std.ArrayList(u8) = .empty; defer want.deinit(gpa); - try want.print(gpa, "{d:>11} {d:>11} {d:>11} {d:>11} {d:>11} {d:>11} {s} {d:>11} current ", .{ - pane.serial, pane_files.tagOf(p, pane).len, @as(usize, 2), 0, 0, pane.cols, "default", config.tab_width, + try want.print(gpa, "{d:>11} {d:>11} {d:>11} {d:>11} {d:>11} {d:>11} {s} {d:>11} {d:>11} {d:>11} current ", .{ + pane.serial, pane_files.tagOf(p, pane).len, @as(usize, 2), 0, 0, pane.cols, "default", config.tab_width, 0, 0, }); try testing.expectEqualStrings(want.items, a.bytes); try testing.expectEqual(@as(u64, a.bytes.len), call(p, .{ .tag = 1, .op = .getattr, .node = Node.of(pane.serial, .ctl) }).reply.attr.size); @@ -1034,13 +1119,9 @@ test "the pane ctl takes acme's verbs and the pane's builtins, and refuses the r defer p.deinit(); const serial = serialOf(p); const ctl_node = Node.of(serial, .ctl); - // acme's other ctl words have files of their own here, and a builtin is - // its own capitalised word: `Get`, `DEL` and `del` are none of them. - for ([_][]const u8{ - "menu", "nomenu", "dump echo hi", "font Go Mono", "lock x", "bogus", "DEL", - "put", "del", "delete", "clean", "dirty", "show", "mark", - "Get", "limit=addr", "get x", "look /tmp", "exec Del", - }) |bad| { + // A builtin is its own capitalised word: `GET` and `DEL` are none; + // acme's own words are done or refused as acme's (the test below). + for ([_][]const u8{ "lock x", "bogus", "DEL", "GET", "get x", "look /tmp", "exec Del" }) |bad| { const refused = wr(p, ctl_node, bad); try testing.expectEqual(E.INVAL, refused.errno()); var want: [64]u8 = undefined; @@ -1671,6 +1752,59 @@ test "a look after Newcol fills the empty column the keyboard is on" { try testing.expectEqual(p.active, p.col_panes[p.ncol - 1][0]); } +test "a look at file:addr whose file is not there is one miss, quoting what was written, in a terminal too" { + const p = try th.withTerm(testing.allocator); + defer p.deinit(); + const looked = Node.of(serialOf(p), .look); + for ([_][]const u8{ "zzq:#3", "zzq:2", "zzq:/re/" }) |written| { + var line: [64]u8 = undefined; + _ = wr(p, looked, try std.fmt.bufPrint(&line, "{s}\n", .{written})); + var want: [64]u8 = undefined; + try testing.expectEqual(@as(usize, 1), th.logCount(p, try std.fmt.bufPrint(&want, "look: no match for \"{s}\"\n", .{written}))); + } + try testing.expectEqual(@as(usize, 3), th.logCount(p, "\nerr ")); +} + +test "a look whose pane is refused a place fails with that alone, not a missing line too" { + const gpa = testing.allocator; + // A screen with rows for one pane only. + const p = try Pardes.init(gpa, .{ .tty_only = true, .cols = 80, .rows = 5 }); + defer p.deinit(); + while (p.nextEffect()) |_| {} + _ = try p.setTestFile("x\n"); + while (p.nextEffect()) |_| {} + var tmp = testing.tmpDir(.{}); + defer tmp.cleanup(); + try tmp.dir.writeFile(testing.io, .{ .sub_path = "f.txt", .data = "one\ntwo\n" }); + var dir: [4096]u8 = undefined; + const at = dir[0..try tmp.dir.realPath(testing.io, &dir)]; + var line: [4200]u8 = undefined; + const r = wr(p, root_look, try std.fmt.bufPrint(&line, "{s}/f.txt:2\n", .{at})); + try testing.expectEqual(Status.err, r.reply.status); + try testing.expect(std.mem.indexOf(u8, r.reply.ename, "no space for a pane") != null); + try testing.expectEqual(@as(usize, 1), th.logCount(p, "\nerr ")); +} + +test "a look under pardes's placement, from a pane pane/new made after Delcol, opens its file" { + const gpa = testing.allocator; + const p = try withFile(gpa, "x\n"); + defer p.deinit(); + var tmp = testing.tmpDir(.{}); + defer tmp.cleanup(); + try tmp.dir.writeFile(testing.io, .{ .sub_path = "f.txt", .data = "file\n" }); + var dir: [4096]u8 = undefined; + const at = dir[0..try tmp.dir.realPath(testing.io, &dir)]; + var line: [4200]u8 = undefined; + const first = serialOf(p); + try testing.expectEqual(tree.Status.ok, wr(p, Node.of(first, .exec), "Placement\n").reply.status); + try testing.expectEqual(tree.Status.ok, wr(p, Node.of(first, .exec), "Delcol\n").reply.status); + const made = try th.newPane(p); + try testing.expectEqual(tree.Status.ok, wr(p, Node.of(made, .look), try std.fmt.bufPrint(&line, "{s}/f.txt:#4\n", .{at})).reply.status); + // The pane pane/new made is placed, and so is the one its look opened. + for (p.panes, 0..) |slot, i| if (slot != null) try testing.expect(layout.findPane(p, i) != null); + try testing.expect(p.panes[p.active].?.serial != made); +} + test "a Restore of a file that is no dump fails the write before any warning, and a failed Dump fails its write" { if (comptime !pardes.hosted) return error.SkipZigTest; const p = try withFile(testing.allocator, "x\n"); @@ -1924,10 +2058,10 @@ test "Grep with no hit says grep: no match and opens nothing, a missing pane dir for (p.panes) |slot| count += @intFromBool(slot != null); const missed = wr(p, Node.of(serialOf(p), .exec), "Grep zzqqnomatchzz\n"); try testing.expectEqual(E.NOENT, missed.errno()); - try testing.expectEqualStrings("grep: pattern not found", missed.reply.ename); + try testing.expectEqualStrings("Grep: pattern not found", missed.reply.ename); const unfound = wr(p, Node.of(serialOf(p), .exec), "Find zzqqnomatchzz\n"); try testing.expectEqual(E.NOENT, unfound.errno()); - try testing.expectEqualStrings("find: name not found", unfound.reply.ename); + try testing.expectEqualStrings("Find: name not found", unfound.reply.ename); var after: usize = 0; for (p.panes) |slot| after += @intFromBool(slot != null); try testing.expectEqual(count, after); @@ -2234,6 +2368,133 @@ test "a buffer whose file was deleted on disk is dirty, and Del asks first" { try testing.expect(p.paneBySerial(serial) == null); } +test "a failure said while a 9P write waits on it posts no msg, only the write's err" { + const p = try withFile(testing.allocator, "x\n"); + defer p.deinit(); + p.fs.write_waits = true; + p.saveFailed(@intCast(p.active), "/nowhere/zz.txt", error.FileNotFound); + p.fs.write_waits = false; + try testing.expect(!th.logHas(p, "msg ")); + try testing.expect(p.fs.late_failure_len > 0); +} + +test "Mini with no argument is wrong #args, EINVAL, as every word that needs one" { + const p = try withFile(testing.allocator, "x\n"); + defer p.deinit(); + const r = wr(p, Node.of(serialOf(p), .ctl), "Mini\n"); + try testing.expectEqual(E.INVAL, r.errno()); + try testing.expectEqualStrings("wrong #args in control message \"Mini\"", r.reply.ename); +} + +test "a look that misses file:/re/ names the file, and is logged as its pane's" { + const p = try withFile(testing.allocator, "x\n"); + defer p.deinit(); + var tmp = testing.tmpDir(.{}); + defer tmp.cleanup(); + try tmp.dir.writeFile(testing.io, .{ .sub_path = "f.txt", .data = "alpha\n" }); + var dir_buf: [4096]u8 = undefined; + const dir = dir_buf[0..try tmp.dir.realPath(testing.io, &dir_buf)]; + var line: [4200]u8 = undefined; + _ = wr(p, root_look, try std.fmt.bufPrint(&line, "{s}/f.txt\n", .{dir})); + p.sync(); + const f_serial = p.panes[p.active].?.serial; + _ = wr(p, Node.of(serialOf(p), .look), try std.fmt.bufPrint(&line, "{s}/f.txt:/zzqq/\n", .{dir})); + var want: [4300]u8 = undefined; + try testing.expect(th.logHas(p, try std.fmt.bufPrint(&want, "err {d} look: {s}/f.txt: no match for regexp", .{ f_serial, dir }))); +} + +test "acme's words run as pardes's (Put is Save, Delete a Del that does not ask) or are refused, never run as commands" { + const p = try withFile(testing.allocator, "x\n"); + defer p.deinit(); + const serial = serialOf(p); + for ([_][]const u8{ "Snarf\n", "Putall\n", "Zerox\n", "Get\n" }) |line| { + for ([_]u64{ Node.of(serial, .ctl), Node.of(serial, .exec) }) |node| { + const r = wr(p, node, line); + try testing.expectEqual(E.INVAL, r.errno()); + try testing.expect(std.mem.indexOf(u8, r.reply.ename, "is not a pardes builtin") != null); + } + } + // Put saves, as Save does. + _ = wr(p, Node.of(serial, .name), "/tmp/pardes-put.txt\n"); + const put = wr(p, Node.of(serial, .exec), "Put\n"); + try testing.expectEqual(Status.ok, put.reply.status); + try testing.expect(put.saved); + // Delete closes an edited pane without asking. + const made = try th.newPane(p); + _ = wr(p, Node.of(made, .name), "/tmp/pardes-delete.txt\n"); + _ = wr(p, Node.of(made, .body), "edited\n"); + try testing.expectEqual(Status.ok, wr(p, Node.of(made, .ctl), "Delete\n").reply.status); + p.sync(); + try testing.expect(p.paneBySerial(made) == null); +} + +test "a pane's ctl takes acme's words: done by the files that replace them, or refused with why" { + const p = try withFile(testing.allocator, "one two\n"); + defer p.deinit(); + const serial = serialOf(p); + const ctl_node = Node.of(serial, .ctl); + const pane = p.panes[p.paneBySerial(serial).?].?; + try testing.expectEqual(Status.ok, wr(p, ctl_node, "name /tmp/pardes-acme-ctl.txt\n").reply.status); + try testing.expectEqualStrings("/tmp/pardes-acme-ctl.txt", pane.file.?.path); + try testing.expectEqual(Status.ok, wr(p, ctl_node, "dirty\n").reply.status); + try testing.expectEqualStrings("1", std.mem.trimEnd(u8, rd(p, Node.of(serial, .dirty), 0, 8).bytes, "\n")); + try testing.expectEqual(Status.ok, wr(p, ctl_node, "clean\n").reply.status); + try testing.expectEqualStrings("0", std.mem.trimEnd(u8, rd(p, Node.of(serial, .dirty), 0, 8).bytes, "\n")); + _ = wr(p, Node.of(serial, .addr), "/two/"); + try testing.expectEqual(Status.ok, wr(p, ctl_node, "dot=addr\nshow\nnomark\nmark\nlimit=addr\n").reply.status); + try testing.expectEqual(@as(u32, 4), pane_files.dotOf(pane).q0); + try testing.expect(pane.fs.limit != null); + try testing.expectEqual(Status.ok, wr(p, ctl_node, "cleartag\n").reply.status); + for ([_][]const u8{ "menu", "nomenu", "dump echo hi", "dumpdir /tmp", "font Go Mono" }) |line| { + const r = wr(p, ctl_node, line); + try testing.expectEqual(E.INVAL, r.errno()); + try testing.expect(std.mem.startsWith(u8, r.reply.ename, "invalid: acme's ")); + } + // Checked whole: a refused word anywhere and nothing ran. + try testing.expectEqual(E.INVAL, wr(p, ctl_node, "dirty\nmenu\n").errno()); + try testing.expectEqualStrings("0", std.mem.trimEnd(u8, rd(p, Node.of(serial, .dirty), 0, 8).bytes, "\n")); +} + +test "ctl reads acme's fields in acme's order, undo and redo flags included, then pardes's own" { + const p = try withFile(testing.allocator, "one\n"); + defer p.deinit(); + const serial = serialOf(p); + const ctl_node = Node.of(serial, .ctl); + const fields = struct { + fn of(text: []const u8, buf: *[16][]const u8) [][]const u8 { + var it = std.mem.tokenizeScalar(u8, text, ' '); + var n: usize = 0; + while (it.next()) |t| : (n += 1) buf[n] = t; + return buf[0..n]; + } + }; + var buf: [16][]const u8 = undefined; + var f = fields.of(rd(p, ctl_node, 0, 4096).bytes, &buf); + try testing.expectEqualStrings("0", f[8]); // nothing to undo + try testing.expectEqualStrings("0", f[9]); // nothing to redo + try testing.expect(std.mem.eql(u8, f[10], "current") or std.mem.eql(u8, f[10], "notcurrent")); + _ = wr(p, Node.of(serial, .body), "two\n"); + f = fields.of(rd(p, ctl_node, 0, 4096).bytes, &buf); + try testing.expectEqualStrings("1", f[8]); + _ = wr(p, ctl_node, "Undo\n"); + f = fields.of(rd(p, ctl_node, 0, 4096).bytes, &buf); + try testing.expectEqualStrings("1", f[9]); +} + +test "a write to addr, limit or mark asks for no frame; one to body does" { + const p = try withFile(testing.allocator, "one\n"); + defer p.deinit(); + const serial = serialOf(p); + for ([_]tree.PaneFile{ .addr, .limit, .mark }) |file| { + p.needs_frame = false; + _ = p.serveFs(.{ .tag = 1, .op = .write, .node = Node.of(serial, file), .data = if (file == .mark) "1" else "#0" }); + try testing.expect(!p.needs_frame); + } + p.needs_frame = false; + _ = p.serveFs(.{ .tag = 1, .op = .write, .node = Node.of(serial, .body), .data = "two\n" }); + try testing.expect(p.needs_frame); +} + test "every EINVAL a write gets says why, in its err record too; DEL is a control character in a line" { const p = try withFile(testing.allocator, "x\n"); defer p.deinit(); @@ -2960,7 +3221,7 @@ test "@p<serial>:<address> takes any sam address; a miss and an unknown serial a } var line: [64]u8 = undefined; _ = wr(p, root, try std.fmt.bufPrint(&line, "@p{d}:/zzqq/\n", .{serial})); - try testing.expect(th.logHas(p, "look: no match for regexp")); + try testing.expect(th.logHas(p, ": no match for regexp")); try testing.expectEqualStrings("", rd(p, root, 0, 64).bytes); _ = wr(p, root, "@p999:/foo/\n"); try testing.expect(th.logHas(p, "look: no pane @p999")); @@ -3020,3 +3281,36 @@ test "@p<terminal>:<address> takes any address over the terminal's lines, select try testing.expectEqual(row_before, pane.body.cur_row); try testing.expectEqualStrings("", rd(p, root, 0, 64).bytes); } + +test "a bad command inside an Edit block written whole is named, not the } after it" { + const p = try withFile(testing.allocator, "abc\n"); + defer p.deinit(); + const r = wr(p, Node.of(serialOf(p), .ctl), "Edit {\n,s/a/b/\nzq\n}\n"); + try testing.expectEqual(Status.err, r.reply.status); + try testing.expect(std.mem.indexOf(u8, r.reply.ename, "\"}\"") == null); + try testing.expect(std.mem.indexOf(u8, r.reply.ename, "z") != null); + try testing.expectEqualStrings("abc\n", p.panes[0].?.file.?.content); +} + +test "a refused Delcol changes nothing: no pane, no focus" { + const p = try withFile(testing.allocator, "x\n"); + defer p.deinit(); + _ = wr(p, @intFromEnum(tree.TopFile.ctl), "Newcol\n"); + const made = try th.newPane(p); + _ = wr(p, Node.of(made, .name), "/tmp/pardes-delcol-refused.txt\n"); + _ = wr(p, Node.of(made, .body), "edit\n"); + p.sync(); + const col = layout.findPane(p, p.paneBySerial(made).?).?.col; + const active = p.active; + const active_column = p.active_column; + var count: usize = 0; + for (p.panes) |slot| count += @intFromBool(slot != null); + try testing.expectEqual(Status.err, wr(p, Node.ofCol(layout.columnSerial(p, col), .ctl), "Delcol\n").reply.status); + p.sync(); + var after: usize = 0; + for (p.panes) |slot| after += @intFromBool(slot != null); + try testing.expectEqual(count, after); + try testing.expectEqual(active, p.active); + try testing.expectEqual(active_column, p.active_column); + try testing.expect(th.logHas(p, "unsaved ")); +} |
