From f3147ea2d1598914c2db53e8cfb34c8ff81e2ff4 Mon Sep 17 00:00:00 2001
From: Daniel Lange <DLange@git.local>
Date: Thu, 27 Aug 2020 07:48:10 +0200
Subject: New upstream version 3.0.0

---
 test_spec.lua | 687 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 687 insertions(+)
 create mode 100755 test_spec.lua

(limited to 'test_spec.lua')

diff --git a/test_spec.lua b/test_spec.lua
new file mode 100755
index 0000000..2ae8015
--- /dev/null
+++ b/test_spec.lua
@@ -0,0 +1,687 @@
+#!/usr/bin/env lua
+
+local VISUALDELAY = os.getenv("VISUALDELAY")
+
+local visual = VISUALDELAY or false
+local visual_delay = VISUALDELAY and (tonumber(VISUALDELAY)) or 0.1
+local short_delay = 0.3
+local long_delay = 1
+
+local unistd = require("posix.unistd")
+local time = require("posix.time")
+local curses = require("posix.curses")
+local rote = require("rote")
+
+local rt = rote.RoteTerm(24, 80)
+
+--[[
+local function os_execread(cmd)
+   local fd = io.popen(cmd, "r")
+   local out = fd:read("*a")
+   fd:close()
+   return (out:gsub("\n$", ""))
+end
+]]
+--local branch = os_execread("git branch | grep '*'"):sub(3)
+--print("Running in branch "..branch)
+
+os.execute("make coverage")
+os.execute("rm -f *.gcda */*.gcda")
+os.execute("rm -f coverage.info test.htoprc")
+os.execute("rm -rf lcov")
+os.execute("killall htop")
+os.execute("ps aux | grep '[s]leep 12345' | awk '{print $2}' | xargs kill 2> /dev/null")
+
+os.execute("cp ./default.htoprc ./test.htoprc")
+rt:forkPty("LC_ALL=C HTOPRC=./test.htoprc ./htop 2> htop-valgrind.txt")
+
+local stdscr, term_win
+-- Curses initialization needed even when not in visual mode
+-- because luaposix only initializes KEY_* constants after initscr().
+stdscr = curses.initscr()
+if visual then
+   curses.echo(false)
+   curses.start_color()
+   curses.raw(true)
+   curses.halfdelay(1)
+   stdscr:keypad(true)
+   term_win = curses.newwin(24, 80, 0, 0)
+   local function makePair(foreground, background)
+      return background * 8 + 7 - foreground
+   end
+   -- initialize the color pairs the way rt:draw() expects it
+   for foreground = 0, 7 do
+      for background = 0, 7 do
+         if foreground ~= 7 or background ~= 0 then
+            local pair = makePair(foreground, background)
+            curses.init_pair(pair, foreground, background)
+         end
+      end
+   end
+else
+   curses.endwin()
+end
+
+local function show(key)
+   rt:update()
+   if visual then
+      rt:draw(term_win, 0, 0)
+      if key then
+         term_win:mvaddstr(0, 0, tostring(key))
+      end
+      term_win:refresh()
+
+      delay(visual_delay)
+   end
+end
+
+local function send(key, times, quick)
+   if times == 0 then return end
+   for _ = 1, times or 1 do
+      delay(0.003) -- 30ms delay to avoid clobbering Esc sequences
+      if type(key) == "string" then
+         for c in key:gmatch('.') do
+            rt:keyPress(string.byte(c))
+         end
+      else
+         rt:keyPress(key)
+      end
+      if not quick then
+         show(key)
+      end
+   end
+   if quick then
+      show(key)
+   end
+end
+
+local function string_at(x, y, len)
+   rt:update()
+   local out = {}
+   for i = 1, len do
+      out[#out+1] = rt:cellChar(y-1, x+i-2)
+   end
+   return table.concat(out)
+end
+
+local function is_string_at(x, y, str)
+   return string_at(x, y, #str) == str
+end
+
+local function check_string_at(x, y, str)
+   return { str, string_at(x, y, #str) }
+end
+
+local ESC = "\27\27"
+
+function delay(t)
+   time.nanosleep({ tv_sec = math.floor(t), tv_nsec = (t - math.floor(t)) * 1000000000 })
+end
+
+delay(2) -- give some time for htop to initialize.
+rt:update()
+
+local y_panelhdr = (function()
+   for y = 1, 24 do
+      if is_string_at(3, y, "PID") then
+         return y
+      end
+   end
+end)() or 1
+
+assert.not_equal(y_panelhdr, 1)
+
+local x_metercol2 = 41
+
+show()
+
+os.execute("sleep 12345 &")
+
+local function terminated()
+   return not os.execute("ps aux | grep -q '\\./[h]top'")
+end
+
+local function running_it(desc, fn)
+   it(desc, function()
+      assert(not terminated())
+      show()
+      fn()
+      assert(not terminated())
+   end)
+end
+
+local function check(t)
+   return t[1], t[2]
+end
+
+local attrs = {
+   black_on_cyan = 6,
+   red_on_cyan = 22,
+   white_on_black = 176,
+   yellow_on_black = 112,
+}
+
+local function find_selected_y(from)
+   rt:update()
+   for y = from or (y_panelhdr + 1), rt:rows() - 1 do
+      local attr = rt:cellAttr(y-1, 1)
+      if attr == attrs.black_on_cyan then
+         return y
+      end
+   end
+   return y_panelhdr + 1
+end
+
+local function find_command_x()
+   for x = 1, 80 do
+      if is_string_at(x, y_panelhdr, "Command") then
+         return x
+      end
+   end
+   return 64
+end
+
+local function set_display_option(n)
+   send("S")
+   send(curses.KEY_DOWN)
+   send(curses.KEY_RIGHT)
+   send(curses.KEY_DOWN, n, "quick")
+   send("\n")
+   send(curses.KEY_F10)
+end
+
+describe("htop test suite", function()
+
+   running_it("performs incremental filter", function()
+      send("\\")
+      send("x\127bux\127sted") -- test backspace
+      send("\n")
+      delay(short_delay)
+      rt:update()
+      local pid = ("      "..tostring(unistd.getpid())):sub(-5)
+      local ourpid = check_string_at(1, y_panelhdr + 1, pid)
+      send("\\")
+      send(ESC)
+      send(curses.KEY_F5)
+      send(curses.KEY_HOME)
+      delay(short_delay)
+      rt:update()
+      local initpid = check_string_at(1, y_panelhdr + 1, "    1")
+      delay(short_delay)
+      rt:update()
+      send(curses.KEY_F5)
+      assert.equal(check(ourpid))
+      assert.equal(check(initpid))
+   end)
+
+   running_it("performs incremental search", function()
+      send(curses.KEY_HOME)
+      send("/")
+      send("busted")
+      local attr = rt:cellAttr(rt:rows() - 1, 30)
+      delay(short_delay)
+      local line = find_selected_y()
+      local pid = ("      "..tostring(unistd.getpid())):sub(-5)
+      assert.equal(attr, attrs.black_on_cyan)
+      local ourpid = check_string_at(1, line, pid)
+      send("\n")
+      send(curses.KEY_HOME)
+      assert.equal(check(ourpid))
+   end)
+
+   running_it("performs pid search", function()
+      send(curses.KEY_F5)
+      send(curses.KEY_END)
+      send("1")
+      delay(short_delay)
+      local line = find_selected_y()
+      local initpid = check_string_at(1, line, "    1")
+      send(curses.KEY_F5)
+      assert.equal(check(initpid))
+   end)
+
+
+   running_it("horizontal scroll", function()
+      local h_scroll = 20
+      send(curses.KEY_F5)
+      delay(short_delay)
+      local str1 = string_at(1+h_scroll, y_panelhdr+1, 5)
+      send(curses.KEY_RIGHT)
+      delay(short_delay)
+      local str2 = string_at(1, y_panelhdr+1, 5)
+      send(curses.KEY_LEFT)
+      delay(short_delay)
+      local str3 = string_at(1+h_scroll, y_panelhdr+1, 5)
+      send(curses.KEY_LEFT)
+      delay(short_delay)
+      local str4 = string_at(1+h_scroll, y_panelhdr+1, 5)
+      send(curses.KEY_F5)
+      assert.equal(str1, str2)
+      assert.equal(str2, str3)
+      assert.equal(str3, str4)
+   end)
+
+   running_it("kills a process", function()
+      send(curses.KEY_HOME)
+      send("\\")
+      send("sleep 12345")
+      local attr = rt:cellAttr(rt:rows() - 1, 30)
+      assert.equal(attr, attrs.black_on_cyan)
+      send("\n")
+      delay(short_delay)
+      rt:update()
+      local col = find_command_x()
+      local procname = check_string_at(col, y_panelhdr + 1, "sleep 12345")
+      send("k")
+      send("\n")
+      send("\\")
+      send(ESC)
+      delay(short_delay)
+      assert.equal(check(procname))
+      assert.not_equal((os.execute("ps aux | grep -q '[s]leep 12345'")), true)
+   end)
+
+   running_it("runs strace", function()
+      send(curses.KEY_HOME)
+      send("/")
+      send("busted")
+      send("\n")
+      send("s")
+      delay(long_delay)
+      send(ESC)
+   end)
+
+   running_it("runs lsof", function()
+      send(curses.KEY_HOME)
+      send("/")
+      send("busted")
+      send("\n")
+      send("l")
+      delay(long_delay)
+      send(ESC)
+   end)
+
+   running_it("performs filtering in lsof", function()
+      send(curses.KEY_HOME)
+      send("/")
+      send("htop")
+      send("\n")
+      send("l")
+      send(curses.KEY_F4)
+      send("pipe")
+      delay(long_delay)
+      local pipefd = check_string_at(1, 3, "    3")
+      send(ESC)
+      assert.equal(check(pipefd))
+   end)
+
+   running_it("performs search in lsof", function()
+      send(curses.KEY_HOME)
+      send("/")
+      send("htop")
+      send("\n")
+      send("l")
+      send(curses.KEY_F3)
+      send("pipe")
+      delay(long_delay)
+      local line = find_selected_y(3)
+      local pipefd = check_string_at(1, line, "    3")
+      send(ESC)
+      assert.equal(check(pipefd))
+   end)
+
+
+   running_it("cycles through meter modes in the default meters", function()
+      send("S")
+      for _ = 1, 2 do
+         send(curses.KEY_RIGHT)
+         for _ = 1, 3 do
+            send("\n", 4)
+            send(curses.KEY_DOWN)
+         end
+      end
+      send(ESC)
+   end)
+
+   running_it("show process of a user", function()
+      send(curses.KEY_F5)
+      send("u")
+      send(curses.KEY_DOWN)
+      delay(short_delay)
+      rt:update()
+      local chosen = string_at(1, y_panelhdr + 2, 9)
+      send("\n")
+      send(curses.KEY_HOME)
+      delay(short_delay)
+      rt:update()
+      local shown = string_at(7, y_panelhdr + 1, 9)
+      send("u")
+      send("\n")
+      send(curses.KEY_HOME)
+      delay(short_delay)
+      rt:update()
+      local inituser = string_at(7, y_panelhdr + 1, 9)
+      send(curses.KEY_F5)
+      assert.equal(shown, chosen)
+      assert.equal(inituser, "root     ")
+   end)
+
+   running_it("performs failing search", function()
+      send(curses.KEY_HOME)
+      send("/")
+      send("xxxxxxxxxx")
+      delay(short_delay)
+      rt:update()
+      local attr = rt:cellAttr(rt:rows() - 1, 30)
+      assert.equal(attr, attrs.red_on_cyan)
+      send("\n")
+   end)
+
+   running_it("cycles through search", function()
+      send(curses.KEY_HOME)
+      send("/")
+      send("sh")
+      local lastpid
+      local pidpairs = {}
+      for _ = 1, 3 do
+         send(curses.KEY_F3)
+         local line = find_selected_y()
+         local pid = string_at(1, line, 5)
+         if lastpid then
+            pidpairs[#pidpairs + 1] = { lastpid, pid }
+            lastpid = pid
+         end
+      end
+      send(curses.KEY_HOME)
+      for _, pair in pairs(pidpairs) do
+         assert.not_equal(pair[1], pair[2])
+      end
+   end)
+
+   running_it("visits each setup screen", function()
+      send("S")
+      send(curses.KEY_DOWN, 3)
+      send(curses.KEY_F10)
+   end)
+
+   running_it("adds and removes PPID column", function()
+      send("S")
+      send(curses.KEY_DOWN, 3)
+      send(curses.KEY_RIGHT, 2)
+      send(curses.KEY_DOWN, 2)
+      send("\n")
+      send(curses.KEY_F10)
+      delay(short_delay)
+      local ppid = check_string_at(2, y_panelhdr, "PPID")
+      send("S")
+      send(curses.KEY_DOWN, 3)
+      send(curses.KEY_RIGHT, 1)
+      send(curses.KEY_DC)
+      send(curses.KEY_F10)
+      delay(short_delay)
+      local not_ppid = check_string_at(2, y_panelhdr, "PPID")
+      assert.equal(check(ppid))
+      assert.not_equal(check(not_ppid))
+   end)
+
+   running_it("changes CPU affinity for a process", function()
+      send("a")
+      send(" \n")
+      send(ESC)
+   end)
+
+   running_it("renices for a process", function()
+      send("/")
+      send("busted")
+      send("\n")
+      local line = find_selected_y()
+      local before = check_string_at(22, line, " 0")
+      send(curses.KEY_F8)
+      delay(short_delay)
+      local after = check_string_at(22, line, " 1")
+      assert.equal(check(before))
+      assert.equal(check(after))
+   end)
+
+   running_it("tries to lower nice for a process", function()
+      send("/")
+      send("busted")
+      send("\n")
+      local line = find_selected_y()
+      local before = string_at(22, line, 2)
+      send(curses.KEY_F7)
+      delay(short_delay)
+      local after = string_at(22, line, 2)
+      assert.equal(before, after) -- no permissions
+   end)
+
+   running_it("invert sort order", function()
+      local cpu_col = 45
+      send("P")
+      send("I")
+      send(curses.KEY_HOME)
+      delay(short_delay)
+      local zerocpu = check_string_at(cpu_col, y_panelhdr + 1, " 0.0")
+      send("I")
+      delay(short_delay)
+      local nonzerocpu = check_string_at(cpu_col, y_panelhdr + 1, " 0.0")
+      assert.equal(check(zerocpu))
+      assert.not_equal(check(nonzerocpu))
+   end)
+
+   running_it("changes IO priority for a process", function()
+      send("/")
+      send("htop")
+      send("\n")
+      send("i")
+      send(curses.KEY_END)
+      send("\n")
+      send(ESC)
+   end)
+
+   running_it("shows help", function()
+      send(curses.KEY_F1)
+      send("\n")
+      set_display_option(9)
+      send(curses.KEY_F1)
+      send("\n")
+      set_display_option(9)
+   end)
+
+   running_it("moves meters around", function()
+      send("S")
+      send(curses.KEY_RIGHT)
+      send(curses.KEY_UP)
+      send("\n")
+      send(curses.KEY_DOWN)
+      send(curses.KEY_UP)
+      send(curses.KEY_RIGHT)
+      send(curses.KEY_RIGHT)
+      send(curses.KEY_LEFT)
+      send(curses.KEY_LEFT)
+      send("\n")
+      send(curses.KEY_F10)
+   end)
+
+   local meters = {
+      { name = "clock", down = 0, string = "Time" },
+      { name = "load", down = 2, string = "Load" },
+      { name = "battery", down = 7, string = "Battery" },
+      { name = "hostname", down = 8, string = "Hostname" },
+      { name = "memory", down = 3, string = "Mem" },
+      { name = "CPU average", down = 16, string = "Avg" },
+   }
+
+   running_it("checks various CPU meters", function()
+      send("S")
+      send(curses.KEY_RIGHT, 3)
+      send(curses.KEY_DOWN, 9, "quick")
+      for _ = 9, 14 do
+         send("\n")
+         send("\n")
+         send(curses.KEY_DC)
+         send(curses.KEY_RIGHT)
+         send(curses.KEY_DOWN)
+      end
+   end)
+
+   for _, item in ipairs(meters) do
+      running_it("adds and removes a "..item.name.." widget", function()
+         send("S")
+         send(curses.KEY_RIGHT, 3)
+         send(curses.KEY_DOWN, item.down)
+         send("\n")
+         send(curses.KEY_UP, 4)
+         send("\n")
+         send(curses.KEY_F4, 4) -- cycle through meter modes
+         delay(short_delay)
+         rt:update()
+         local with = check_string_at(x_metercol2, 2, item.string)
+         send(curses.KEY_DC)
+         delay(short_delay)
+         local without = check_string_at(x_metercol2, 2, item.string)
+         send(curses.KEY_F10)
+         assert.equal(check(with))
+         assert.not_equal(check(without))
+      end)
+   end
+
+   running_it("goes through themes", function()
+      send(curses.KEY_F2)
+      send(curses.KEY_DOWN, 2)
+      send(curses.KEY_RIGHT)
+      for _ = 1, 6 do
+         send("\n")
+         send(curses.KEY_DOWN)
+      end
+      send(curses.KEY_UP, 6)
+      send("\n")
+      send(curses.KEY_F10)
+   end)
+
+   local display_options = {
+      { name = "tree view", down = 0 },
+      { name = "shadow other user's process", down = 1 },
+      { name = "hide kernel threads", down = 2 },
+      { name = "hide userland threads", down = 3 },
+      { name = "display threads in different color", down = 4 },
+      { name = "show custom thread names", down = 5 },
+      { name = "highlight basename", down = 6 },
+      { name = "highlight large numbers", down = 7 },
+      { name = "leave margin around header", down = 8 },
+      { name = "use detailed CPU time", down = 9 },
+      { name = "count from zero", down = 10 },
+      { name = "update process names", down = 11 },
+      { name = "guest time in CPU%", down = 12 },
+   }
+
+   for _, item in ipairs(display_options) do
+      running_it("checks display option to "..item.name, function()
+         for _ = 1, 2 do
+            set_display_option(item.down)
+            delay(short_delay)
+         end
+      end)
+   end
+
+   running_it("shows detailed CPU with guest time", function()
+      for _ = 1, 2 do
+         send("S")
+         send(curses.KEY_DOWN)
+         send(curses.KEY_RIGHT)
+         send(curses.KEY_DOWN, 9)
+         send("\n")
+         send(curses.KEY_DOWN, 3)
+         send("\n")
+         send(curses.KEY_LEFT)
+         send(curses.KEY_UP)
+         send(curses.KEY_RIGHT)
+         send(curses.KEY_F4, 4) -- cycle through CPU meter modes
+         send(curses.KEY_F10)
+         delay(short_delay)
+      end
+   end)
+
+   running_it("expands and collapses tree", function()
+      send(curses.KEY_F5) -- tree view
+      send(curses.KEY_HOME)
+      send(curses.KEY_DOWN) -- second process in the tree
+      send("-")
+      send("+")
+      send(curses.KEY_F5)
+   end)
+
+   running_it("sets sort key", function()
+      send(".")
+      send("\n")
+   end)
+
+   running_it("tags all children", function()
+      send(curses.KEY_F5) -- tree view
+      send(curses.KEY_HOME) -- ensure we're at init
+      send("c")
+      local taggedattrs = {}
+      rt:update()
+      for y = y_panelhdr + 2, 23 do
+         table.insert(taggedattrs, rt:cellAttr(y-1, 4))
+      end
+      delay(short_delay)
+      send("U")
+      local untaggedattrs = {}
+      rt:update()
+      for y = y_panelhdr + 2, 23 do
+         table.insert(untaggedattrs, rt:cellAttr(y-1, 4))
+      end
+      send(curses.KEY_F5)
+
+      for _, taggedattr in ipairs(taggedattrs) do
+         assert.equal(attrs.yellow_on_black, taggedattr)
+      end
+      for _, untaggedattr in ipairs(untaggedattrs) do
+         assert.equal(attrs.white_on_black, untaggedattr)
+      end
+   end)
+
+   for i = 1, 62 do
+      running_it("show column "..i, function()
+         send("S")
+         send(curses.KEY_END)
+         send(curses.KEY_RIGHT, 1)
+         if i > 1 then
+            send(curses.KEY_DC)
+         end
+         send(curses.KEY_RIGHT, 1)
+         local down = i
+         while down > 13 do
+            send(curses.KEY_NPAGE)
+            down = down - 13
+         end
+         send(curses.KEY_DOWN, down, "quick")
+         send("\n")
+         send(curses.KEY_F10)
+         if i == 62 then
+            send("S")
+            send(curses.KEY_END)
+            send(curses.KEY_RIGHT, 1)
+            if i > 1 then
+               send(curses.KEY_DC)
+            end
+            send(curses.KEY_F10)
+         end
+      end)
+   end
+
+   it("finally quits", function()
+      assert(not terminated())
+      send("q")
+      while not terminated() do
+         unistd.sleep(1)
+         send("q")
+      end
+      assert(terminated())
+      if visual then
+         curses.endwin()
+      end
+      os.execute("make lcov && xdg-open lcov/index.html")
+   end)
+end)
-- 
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