Merge remote-tracking branch 'upstream/master' into aucmd_textputpostaucmd_textputpost

1 files changed, 100 insertions, 0 deletions

diff --git a/test/functional/lua/system_spec.lua b/test/functional/lua/system_spec.lua
new file mode 100644
index 0000000000..a988d3f0d7
--- /dev/null
+++ b/test/functional/lua/system_spec.lua
@@ -0,0 +1,100 @@
+local helpers = require('test.functional.helpers')(after_each)
+local clear = helpers.clear
+local exec_lua = helpers.exec_lua
+local eq = helpers.eq
+
+local function system_sync(cmd, opts)
+  return exec_lua([[
+    local cmd, opts = ...
+    local obj = vim.system(...)
+
+    if opts.timeout then
+      -- Minor delay before calling wait() so the timeout uv timer can have a headstart over the
+      -- internal call to vim.wait() in wait().
+      vim.wait(10)
+    end
+
+    local res = obj:wait()
+
+    -- Check the process is no longer running
+    local proc = vim.api.nvim_get_proc(obj.pid)
+    assert(not proc, 'process still exists')
+
+    return res
+  ]], cmd, opts)
+end
+
+local function system_async(cmd, opts)
+  return exec_lua([[
+    local cmd, opts = ...
+    _G.done = false
+    local obj = vim.system(cmd, opts, function(obj)
+      _G.done = true
+      _G.ret = obj
+    end)
+
+    local ok = vim.wait(10000, function()
+      return _G.done
+    end)
+
+    assert(ok, 'process did not exit')
+
+    -- Check the process is no longer running
+    local proc = vim.api.nvim_get_proc(obj.pid)
+    assert(not proc, 'process still exists')
+
+    return _G.ret
+  ]], cmd, opts)
+end
+
+describe('vim.system', function()
+  before_each(function()
+    clear()
+  end)
+
+  for name, system in pairs{ sync = system_sync, async = system_async, } do
+    describe('('..name..')', function()
+      it('can run simple commands', function()
+        eq('hello\n', system({'echo', 'hello' }, { text = true }).stdout)
+      end)
+
+      it('handle input', function()
+        eq('hellocat', system({ 'cat' }, { stdin = 'hellocat', text = true }).stdout)
+      end)
+
+      it('supports timeout', function()
+        eq({
+          code = 124,
+          signal = 15,
+          stdout = '',
+          stderr = ''
+        }, system({ 'sleep', '10' }, { timeout = 1000 }))
+      end)
+    end)
+  end
+
+  it('kill processes', function()
+    exec_lua([[
+      local signal
+      local cmd = vim.system({ 'cat', '-' }, { stdin = true }, function(r)
+        signal = r.signal
+      end) -- run forever
+
+      cmd:kill('sigint')
+
+      -- wait for the process not to exist
+      local done = vim.wait(2000, function()
+        return signal ~= nil
+      end)
+
+      assert(done, 'process did not exit')
+
+      -- Check the process is no longer running
+      local proc = vim.api.nvim_get_proc(cmd.pid)
+      assert(not proc, 'process still exists')
+
+      assert(signal == 2)
+    ]])
+  end)
+
+end)