functests: Add history tests

1 files changed, 105 insertions, 0 deletions

diff --git a/test/functional/shada/history_spec.lua b/test/functional/shada/history_spec.lua
new file mode 100644
index 0000000000..b73a39f116
--- /dev/null
+++ b/test/functional/shada/history_spec.lua
@@ -0,0 +1,105 @@
+-- ShaDa history saving/reading support
+local helpers = require('test.functional.helpers')
+local nvim, nvim_command, nvim_eval, nvim_feed, eq =
+  helpers.nvim, helpers.command, helpers.eval, helpers.feed, helpers.eq
+
+local shada_helpers = require('test.functional.shada.helpers')
+local reset, set_additional_cmd, clear =
+  shada_helpers.reset, shada_helpers.set_additional_cmd,
+  shada_helpers.clear
+
+describe('ShaDa support code', function()
+  before_each(reset)
+  after_each(clear)
+
+  it('is able to dump and read back command-line history', function()
+    nvim_command('set viminfo=\'0')
+    nvim_feed(':" Test\n')
+    nvim_command('wviminfo')
+    reset()
+    nvim_command('set viminfo=\'0')
+    nvim_command('rviminfo')
+    eq('" Test', nvim_eval('histget(":", -1)'))
+  end)
+
+  it('is able to dump and read back 2 items in command-line history', function()
+    nvim_command('set viminfo=\'0 history=2')
+    nvim_feed(':" Test\n')
+    nvim_feed(':" Test 2\n')
+    nvim_command('qall')
+    reset()
+    nvim_command('set viminfo=\'0 history=2')
+    nvim_command('rviminfo')
+    eq('" Test 2', nvim_eval('histget(":", -1)'))
+    eq('" Test', nvim_eval('histget(":", -2)'))
+    nvim_command('qall')
+  end)
+
+  it('respects &history when dumping',
+  function()
+    nvim_command('set viminfo=\'0 history=1')
+    nvim_feed(':" Test\n')
+    nvim_feed(':" Test 2\n')
+    nvim_command('wviminfo')
+    reset()
+    nvim_command('set viminfo=\'0 history=2')
+    nvim_command('rviminfo')
+    eq('" Test 2', nvim_eval('histget(":", -1)'))
+    eq('', nvim_eval('histget(":", -2)'))
+  end)
+
+  it('respects &history when loading',
+  function()
+    nvim_command('set viminfo=\'0 history=2')
+    nvim_feed(':" Test\n')
+    nvim_feed(':" Test 2\n')
+    nvim_command('wviminfo')
+    reset()
+    nvim_command('set viminfo=\'0 history=1')
+    nvim_command('rviminfo')
+    eq('" Test 2', nvim_eval('histget(":", -1)'))
+    eq('', nvim_eval('histget(":", -2)'))
+  end)
+
+  it('dumps only requested amount of command-line history items', function()
+    nvim_command('set viminfo=\'0,:1')
+    nvim_feed(':" Test\n')
+    nvim_feed(':" Test 2\n')
+    nvim_command('wviminfo')
+    reset()
+    nvim_command('set viminfo=\'0')
+    nvim_command('rviminfo')
+    eq('" Test 2', nvim_eval('histget(":", -1)'))
+    eq('', nvim_eval('histget(":", -2)'))
+  end)
+
+  it('does not respect number in &viminfo when loading history', function()
+    nvim_command('set viminfo=\'0')
+    nvim_feed(':" Test\n')
+    nvim_feed(':" Test 2\n')
+    nvim_command('wviminfo')
+    reset()
+    nvim_command('set viminfo=\'0,:1')
+    nvim_command('rviminfo')
+    eq('" Test 2', nvim_eval('histget(":", -1)'))
+    eq('" Test', nvim_eval('histget(":", -2)'))
+  end)
+
+  it('dumps and loads all kinds of histories', function()
+    nvim_command('debuggreedy')
+    nvim_feed(':debug echo "Test"\n" Test 2\nc\n')  -- Debug history.
+    nvim_feed(':call input("")\nTest 2\n')  -- Input history.
+    nvim_feed('"="Test"\nyy')  -- Expression history.
+    nvim_feed('/Test\n')  -- Search history
+    nvim_feed(':" Test\n')  -- Command-line history
+    nvim_command('0debuggreedy')
+    nvim_command('wviminfo')
+    reset()
+    nvim_command('rviminfo')
+    eq('" Test', nvim_eval('histget(":", -1)'))
+    eq('Test', nvim_eval('histget("/", -1)'))
+    eq('"Test"', nvim_eval('histget("=", -1)'))
+    eq('Test 2', nvim_eval('histget("@", -1)'))
+    eq('c', nvim_eval('histget(">", -1)'))
+  end)
+end)