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python.el: Keep eldoc visible while typing args.

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Fixes: debbugs:19637

* lisp/progmodes/python.el (python-eldoc--get-symbol-at-point): New
function.
(python-eldoc--get-doc-at-point, python-eldoc-at-point): Use it.

* test/automated/python-tests.el
(python-eldoc--get-symbol-at-point-1)
(python-eldoc--get-symbol-at-point-2)
(python-eldoc--get-symbol-at-point-3)
(python-eldoc--get-symbol-at-point-4): New tests.
This commit is contained in:
Fabián Ezequiel Gallina 2015-02-07 18:39:07 -03:00
parent 2d467a0ff0
commit 2155973e5e
4 changed files with 90 additions and 3 deletions
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57
test/automated/python-tests.el
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@ -2943,6 +2943,63 @@ class Foo(models.Model):
;;; Eldoc
(ert-deftest python-eldoc--get-symbol-at-point-1 ()
"Test paren handling."
(python-tests-with-temp-buffer
"
map(xx
map(codecs.open('somefile'
"
(python-tests-look-at "ap(xx")
(should (string= (python-eldoc--get-symbol-at-point) "map"))
(goto-char (line-end-position))
(should (string= (python-eldoc--get-symbol-at-point) "map"))
(python-tests-look-at "('somefile'")
(should (string= (python-eldoc--get-symbol-at-point) "map"))
(goto-char (line-end-position))
(should (string= (python-eldoc--get-symbol-at-point) "codecs.open"))))
(ert-deftest python-eldoc--get-symbol-at-point-2 ()
"Ensure self is replaced with the class name."
(python-tests-with-temp-buffer
"
class TheClass:
def some_method(self, n):
return n
def other(self):
return self.some_method(1234)
"
(python-tests-look-at "self.some_method")
(should (string= (python-eldoc--get-symbol-at-point)
"TheClass.some_method"))
(python-tests-look-at "1234)")
(should (string= (python-eldoc--get-symbol-at-point)
"TheClass.some_method"))))
(ert-deftest python-eldoc--get-symbol-at-point-3 ()
"Ensure symbol is found when point is at end of buffer."
(python-tests-with-temp-buffer
"
some_symbol
"
(goto-char (point-max))
(should (string= (python-eldoc--get-symbol-at-point)
"some_symbol"))))
(ert-deftest python-eldoc--get-symbol-at-point-4 ()
"Ensure symbol is found when point is at whitespace."
(python-tests-with-temp-buffer
"
some_symbol some_other_symbol
"
(python-tests-look-at " some_other_symbol")
(should (string= (python-eldoc--get-symbol-at-point)
"some_symbol"))))
;;; Imenu