Use only one level of indentation after opening paren (#127)

[etc/vim.git] / spec / indent / indent_spec.rb

diff --git a/spec/indent/indent_spec.rb b/spec/indent/indent_spec.rb
index df402e8cb9fc25c11f984d2b8fa4656865b5f24f..641ad7e14145dee9d5b22ebb147f192a84022c03 100644 (file)
--- a/spec/indent/indent_spec.rb
+++ b/spec/indent/indent_spec.rb
@@ -1,8 +1,16 @@
 require "spec_helper"
 
 shared_examples_for "vim" do
 require "spec_helper"
 
 shared_examples_for "vim" do

-
-  before(:each) { vim.normal 'gg"_dG' }  # clear buffer
+  before(:each) {
+    # clear buffer
+    vim.normal 'gg"_dG'
+
+    # Insert two blank lines.
+    # The first line is a corner case in this plugin that would shadow the
+    # correct behaviour of other tests. Thus we explicitly jump to the first
+    # line when we require so.
+    vim.feedkeys 'i\<CR>\<CR>\<ESC>'
+  }

 
   describe "when using the indent plugin" do
     it "sets the indentexpr and indentkeys options" do
 
   describe "when using the indent plugin" do
     it "sets the indentexpr and indentkeys options" do


@@ -17,11 +25,11 @@ shared_examples_for "vim" do
   end
 
   describe "when entering the first line" do
   end
 
   describe "when entering the first line" do

-    before { vim.feedkeys 'ipass' }
+    before { vim.feedkeys '0ggipass' }

 
     it "does not indent" do
 
     it "does not indent" do

-      proposed_indent.should == 0

       indent.should == 0
       indent.should == 0

+      proposed_indent.should == 0

     end
 
     it "does not indent when using '=='" do
     end
 
     it "does not indent when using '=='" do


@@ -43,7 +51,7 @@ shared_examples_for "vim" do
 
     it "puts the closing parenthesis at the same level" do
       vim.feedkeys ')'
 
     it "puts the closing parenthesis at the same level" do
       vim.feedkeys ')'

-      indent.should == 0
+      indent.should == (hang_closing ? shiftwidth : 0)

     end
   end
 
     end
   end
 


@@ -67,6 +75,41 @@ shared_examples_for "vim" do
     end
   end
 
     end
   end
 

+  describe "when after an '{' that is followed by a comment" do
+    before { vim.feedkeys 'imydict = {  # comment\<CR>' }
+
+    it "indent by one level" do
+      indent.should == shiftwidth
+      vim.feedkeys '1: 1,\<CR>'
+      indent.should == shiftwidth
+    end
+
+    it "lines up the closing parenthesis" do
+      vim.feedkeys '}'
+      indent.should == (hang_closing ? shiftwidth : 0)
+    end
+  end
+
+  describe "when using gq to reindent a '(' that is" do
+    before { vim.feedkeys 'itest(' }
+    it "something and has a string without spaces at the end" do
+      vim.feedkeys 'something_very_long_blaaaaaaaaa, "some_very_long_string_blaaaaaaaaaaaaaaaaaaaa"\<esc>gqq'
+      indent.should == 5
+    end
+  end
+
+  describe "when after multiple parens of different types" do
+    it "indents by one level" do
+      vim.feedkeys 'if({\<CR>'
+      indent.should == shiftwidth
+    end
+
+    it "lines up with the last paren" do
+      vim.feedkeys 'ifff({123: 456,\<CR>'
+      indent.should == 5
+    end
+  end
+

   describe "when '#' is contained in a string that is followed by a colon" do
     it "indents by one level" do
         vim.feedkeys 'iif "some#thing" == "test":#test\<CR>pass'
   describe "when '#' is contained in a string that is followed by a colon" do
     it "indents by one level" do
         vim.feedkeys 'iif "some#thing" == "test":#test\<CR>pass'


@@ -81,6 +124,77 @@ shared_examples_for "vim" do
     end
   end
 
     end
   end
 

+  describe "when inside an unfinished string" do
+    it "does not indent" do
+      vim.feedkeys 'i"test:\<ESC>'
+      vim.echo('synIDattr(synID(line("."), col("."), 0), "name")'
+              ).downcase.should include 'string'
+      vim.feedkeys 'a\<CR>'
+      proposed_indent.should == -1
+      indent.should == 0
+    end
+
+    it "does not dedent" do
+      vim.feedkeys 'iif True:\<CR>"test:\<ESC>'
+      vim.echo('synIDattr(synID(line("."), col("."), 0), "name")'
+              ).downcase.should include 'string'
+      proposed_indent.should == shiftwidth
+      indent.should == shiftwidth
+    end
+  end
+
+  describe "when the previous line has a colon in a string" do
+    before { vim.feedkeys 'itest(":".join(["1","2"]))\<CR>' }
+    it "does not indent" do
+      vim.feedkeys 'if True:'
+      indent.should == 0
+      proposed_indent.should == 0
+    end
+  end
+
+  describe "when the previous line has a list slice" do
+    it "does not indent" do
+      vim.feedkeys 'ib = a[2:]\<CR>'
+      indent.should == 0
+      proposed_indent.should == 0
+    end
+  end
+
+  describe "when line is empty inside a block" do
+    it "is indented like the previous line" do
+      vim.feedkeys 'idef a():\<CR>1\<CR>\<CR>2\<ESC>kcc'
+      indent.should == shiftwidth
+    end
+  end
+
+  describe "when an empty line is after empty line / before non-empty" do
+    it "is indented like the next line" do
+      vim.feedkeys 'idef a():\<CR>1\<CR>\<CR>\<CR>2\<ESC><<kcc'
+      indent.should == 0
+    end
+  end
+
+  describe "when an empty line is after empty line / before non-empty (nested)" do
+    it "is indented like the next line" do
+      vim.feedkeys 'idef a():\<CR>1\<CR>\<CR>\<CR>\<ESC>0i\<TAB>2\<ESC>kcc'
+      indent.should == shiftwidth
+    end
+  end
+
+  describe "when line is empty inside a block following multi-line statement" do
+    it "is indented like the previous line" do
+      vim.feedkeys 'idef a():\<CR>x = (1 +\<CR>2)\<CR>\<CR>y\<ESC>kcc'
+      indent.should == shiftwidth
+    end
+  end
+
+  describe "when line is empty inside a block following stop statement" do
+    it "is indented like the previous line minus shiftwidth" do
+      vim.feedkeys 'iif x:\<CR>if y:\<CR>pass\<CR>\<CR>z\<ESC>kcc'
+      indent.should == shiftwidth
+    end
+  end
+

   describe "when using simple control structures" do
       it "indents shiftwidth spaces" do
           vim.feedkeys 'iwhile True:\<CR>pass'
   describe "when using simple control structures" do
       it "indents shiftwidth spaces" do
           vim.feedkeys 'iwhile True:\<CR>pass'


@@ -88,6 +202,32 @@ shared_examples_for "vim" do
       end
   end
 
       end
   end
 

+  describe "when using a function definition" do
+      it "indents shiftwidth spaces" do
+          vim.feedkeys 'idef long_function_name(\<CR>arg'
+          indent.should == shiftwidth
+      end
+  end
+
+  describe "when using a class definition" do
+      it "indents shiftwidth spaces" do
+          vim.feedkeys 'iclass Foo(\<CR>'
+          indent.should == shiftwidth
+      end
+  end
+
+  describe "when writing an 'else' block" do
+    it "aligns to the preceeding 'for' block" do
+      vim.feedkeys 'ifor x in "abc":\<CR>pass\<CR>else:'
+      indent.should == 0
+    end
+
+    it "aligns to the preceeding 'if' block" do
+      vim.feedkeys 'ifor x in "abc":\<CR>if True:\<CR>pass\<CR>else:'
+      indent.should == shiftwidth
+    end
+  end
+

   describe "when using parens and control statements" do
     it "avoids ambiguity by using extra indentation" do
       vim.feedkeys 'iif (111 and\<CR>'
   describe "when using parens and control statements" do
     it "avoids ambiguity by using extra indentation" do
       vim.feedkeys 'iif (111 and\<CR>'


@@ -111,6 +251,11 @@ shared_examples_for "vim" do
       indent.should == 0
     end
 
       indent.should == 0
     end
 

+    it "handles nested expressions (Flake8's E127)" do
+      vim.feedkeys 'i[\<CR>x for x in foo\<CR>if (\<CR>'
+      indent.should == shiftwidth * 2
+    end
+

     it "still handles multiple parens correctly" do
       vim.feedkeys 'iif (111 and (222 and 333\<CR>'
       indent.should == 13
     it "still handles multiple parens correctly" do
       vim.feedkeys 'iif (111 and (222 and 333\<CR>'
       indent.should == 13


@@ -147,7 +292,7 @@ shared_examples_for "vim" do
   end
 
   describe "when current line is dedented compared to previous line" do
   end
 
   describe "when current line is dedented compared to previous line" do

-     before { vim.feedkeys 'i\<TAB>\<TAB>if x:\<CR>return True\<CR>\<ESC>' }
+     before { vim.feedkeys 'i\<TAB>\<TAB>if x:\<CR>y = True\<CR>\<ESC>' }

      it "and current line has a valid indentation (Part 1)" do
         vim.feedkeys '0i\<TAB>if y:'
         proposed_indent.should == -1
      it "and current line has a valid indentation (Part 1)" do
         vim.feedkeys '0i\<TAB>if y:'
         proposed_indent.should == -1


@@ -164,6 +309,14 @@ shared_examples_for "vim" do
      end
   end
 
      end
   end
 

+  describe "when current line is dedented compared to the last non-empty line" do
+     before { vim.feedkeys 'i\<TAB>\<TAB>if x:\<CR>y = True\<CR>\<CR>\<ESC>' }
+     it "and current line has a valid indentation" do
+        vim.feedkeys '0i\<TAB>if y:'
+        proposed_indent.should == -1
+     end
+  end
+

   describe "when an 'if' is followed by" do
      before { vim.feedkeys 'i\<TAB>\<TAB>if x:\<CR>' }
      it "an elif, it lines up with the 'if'" do
   describe "when an 'if' is followed by" do
      before { vim.feedkeys 'i\<TAB>\<TAB>if x:\<CR>' }
      it "an elif, it lines up with the 'if'" do


@@ -177,6 +330,23 @@ shared_examples_for "vim" do
      end
   end
 
      end
   end
 

+  describe "when an 'if' contains a try-except" do
+     before {
+       vim.feedkeys 'iif x:\<CR>try:\<CR>pass\<CR>except:\<CR>pass\<CR>'
+       indent.should == shiftwidth
+     }
+     it "an 'else' should be indented to the try" do
+       vim.feedkeys 'else:'
+       indent.should == shiftwidth
+       proposed_indent.should == shiftwidth
+     end
+     it "an 'else' should keep the indent of the 'if'" do
+       vim.feedkeys 'else:\<ESC><<'
+       indent.should == 0
+       proposed_indent.should == 0
+     end
+  end
+

   describe "when a 'for' is followed by" do
      before { vim.feedkeys 'i\<TAB>\<TAB>for x in y:\<CR>' }
      it "an 'else', it lines up with the 'for'" do
   describe "when a 'for' is followed by" do
      before { vim.feedkeys 'i\<TAB>\<TAB>for x in y:\<CR>' }
      it "an 'else', it lines up with the 'for'" do


@@ -230,40 +400,347 @@ shared_examples_for "vim" do
      end
   end
 
      end
   end
 

-  def shiftwidth
-    @shiftwidth ||= vim.echo("exists('*shiftwidth') ? shiftwidth() : &sw").to_i
+  describe "when an else is used inside of a nested if" do
+    before { vim.feedkeys 'iif foo:\<CR>if bar:\<CR>pass\<CR>' }
+    it "indents the else to the inner if" do
+      vim.feedkeys 'else:'
+      indent.should == shiftwidth
+    end
+  end
+
+  describe "when an else is used outside of a nested if" do
+    before { vim.feedkeys 'iif True:\<CR>if True:\<CR>pass\<CR>\<Esc>0' }
+    it "indents the else to the outer if" do
+      indent.should == 0
+      proposed_indent.should == shiftwidth
+
+      vim.feedkeys 'ielse:'
+      indent.should == 0
+      proposed_indent.should == 0
+    end
+  end
+
+  describe "when jedi-vim call signatures are used" do
+    before { vim.command 'syn match jediFunction "JEDI_CALL_SIGNATURE" keepend extend' }
+
+    it "ignores the call signature after a colon" do
+      vim.feedkeys 'iif True:  JEDI_CALL_SIGNATURE\<CR>'
+      indent.should == shiftwidth
+    end
+
+    it "ignores the call signature after a function" do
+      vim.feedkeys 'idef f(  JEDI_CALL_SIGNATURE\<CR>'
+      indent.should == shiftwidth
+    end

   end
   end

-  def tabstop
-    @tabstop ||= vim.echo("&tabstop").to_i
+end
+
+shared_examples_for "multiline strings" do
+  before(:each) {
+    # clear buffer
+    vim.normal 'gg"_dG'
+
+    # Insert two blank lines.
+    # The first line is a corner case in this plugin that would shadow the
+    # correct behaviour of other tests. Thus we explicitly jump to the first
+    # line when we require so.
+    vim.feedkeys 'i\<CR>\<CR>\<ESC>'
+  }
+
+  describe "when after an '(' that is followed by an unfinished string" do
+    before { vim.feedkeys 'itest("""' }
+
+    it "it indents the next line" do
+      vim.feedkeys '\<CR>'
+      expected_proposed, expected_indent = multiline_indent(0, shiftwidth)
+      proposed_indent.should == expected_proposed
+      indent.should == expected_indent
+    end
+
+    it "with contents it indents the second line to the parenthesis" do
+      vim.feedkeys 'second line\<CR>'
+      expected_proposed, expected_indent = multiline_indent(0, 5)
+      proposed_indent.should == expected_proposed
+      indent.should == expected_indent
+    end

   end
   end

-  def indent
-    vim.echo("indent('.')").to_i
+
+  describe "when after assigning an unfinished string" do
+    before { vim.feedkeys 'itest = """' }
+
+    it "it indents the next line" do
+      vim.feedkeys '\<CR>'
+      expected_proposed, expected_indent = multiline_indent(0, shiftwidth)
+      proposed_indent.should == expected_proposed
+      indent.should == expected_indent
+    end

   end
   end

-  def previous_indent
-    pline = vim.echo("line('.')").to_i - 1
-    vim.echo("indent('#{pline}')").to_i
+
+  describe "when after assigning an indented unfinished string" do
+    before { vim.feedkeys 'i    test = """' }
+
+    it "it indents the next line" do
+      vim.feedkeys '\<CR>'
+      expected_proposed, expected_indent = multiline_indent(4, shiftwidth + 4)
+      proposed_indent.should == expected_proposed
+      indent.should == expected_indent
+    end

   end
   end

-  def proposed_indent
-    line = vim.echo("line('.')")
-    col = vim.echo("col('.')")
-    indent_value = vim.echo("GetPythonPEPIndent(line('.'))").to_i
-    vim.command("call cursor(#{line}, #{col})")
-    return indent_value
+
+  describe "when after assigning an indented finished string" do
+    before { vim.feedkeys 'i    test = ""' }
+
+    it "it does indent the next line" do
+      vim.feedkeys '\<CR>'
+      indent.should == 4
+    end
+
+    it "and writing a new string, it does indent the next line" do
+      vim.feedkeys '\<CR>""'
+      indent.should == 4
+    end
+  end
+
+  describe "when after a docstring" do
+    it "it does indent the next line to the docstring" do
+      vim.feedkeys 'i    """\<CR>'
+      indent.should == 4
+      proposed_indent.should == 4
+    end
+
+    it "indents the closing docstring quotes" do
+      vim.feedkeys 'i    """\<CR>\<CR>"""'
+      indent.should == 4
+      proposed_indent.should == 4
+      vim.echo('getline(3)').should == '    """'
+    end
+
+    it "indents non-matching docstring quotes" do
+      vim.feedkeys 'i    """\<CR>\<Esc>'
+      vim.feedkeys "0C'''"
+      vim.echo('line(".")').should == "4"
+      vim.echo('getline(".")').should == "'''"
+      indent.should == 0
+      proposed_indent.should == -1
+    end
+  end
+
+  describe "when after a docstring with contents" do
+    before { vim.feedkeys 'i    """First line' }
+    it "it does indent the next line to the docstring" do
+      vim.feedkeys '\<CR>'
+      indent.should == 4
+      proposed_indent.should == 4
+    end
+  end
+
+  describe "when breaking a string after opening parenthesis" do
+    before { vim.feedkeys 'i    foo("""bar\<Left>\<Left>\<Left>' }
+    it "it does indent the next line as after an opening multistring" do
+      vim.feedkeys '\<CR>'
+      _, expected_indent = multiline_indent(4, 4 + shiftwidth)
+      indent.should == expected_indent
+      proposed_indent.should == -1
+
+      # it keeps the indent after an empty line
+      vim.feedkeys '\<CR>'
+      proposed_indent, expected_indent = multiline_indent(4, 4 + shiftwidth)
+      indent.should == expected_indent
+      proposed_indent.should == proposed_indent
+
+      # it keeps the indent of nonblank above
+      vim.feedkeys '\<End>\<CR>'
+      proposed_indent, expected_indent = multiline_indent(4, 4 + shiftwidth)
+      indent.should == expected_indent
+      proposed_indent.should == proposed_indent
+
+      # it keeps the indent of nonblank above before an empty line
+      vim.feedkeys '\<CR>'
+      proposed_indent, expected_indent = multiline_indent(4, 4 + shiftwidth)
+      indent.should == expected_indent
+      proposed_indent.should == proposed_indent
+    end

   end
 end
 
   end
 end
 

-describe "vim when using width of 4" do
+SUITE_SHIFTWIDTHS = [4, 3]
+SUITE_HANG_CLOSINGS = [false, true]
+
+SUITE_SHIFTWIDTHS.each do |sw|
+  describe "vim when using width of #{sw}" do
+    before {
+      vim.command("set sw=#{sw} ts=#{sw} sts=#{sw} et")
+    }
+    it "sets shiftwidth to #{sw}" do
+      shiftwidth.should == sw
+    end
+
+    SUITE_HANG_CLOSINGS.each do |hc|
+      describe "vim when hang_closing is set to #{hc}" do
+        before {
+          set_hang_closing hc
+        }
+        it "sets hang_closing to #{hc}" do
+          hang_closing.should == !!hc
+        end
+
+        it_behaves_like "vim"
+      end
+    end
+  end
+end
+
+describe "vim when not using python_pep8_indent_multiline_string" do

   before {
     vim.command("set sw=4 ts=4 sts=4 et")
   before {
     vim.command("set sw=4 ts=4 sts=4 et")

+    vim.command("unlet! g:python_pep8_indent_multiline_string")

   }
   }

+  it_behaves_like "multiline strings"
+end

 
 

-  it_behaves_like "vim"
+describe "vim when using python_pep8_indent_multiline_first=0" do
+  before {
+    vim.command("set sw=4 ts=4 sts=4 et")
+    vim.command("let g:python_pep8_indent_multiline_string=0")
+  }
+  it_behaves_like "multiline strings"
+end
+
+describe "vim when using python_pep8_indent_multiline_string=-1" do
+  before {
+    vim.command("set sw=4 ts=4 sts=4 et")
+    vim.command("let g:python_pep8_indent_multiline_string=-1")
+  }
+  it_behaves_like "multiline strings"
+end
+
+describe "vim when using python_pep8_indent_multiline_string=-2" do
+  before {
+    vim.command("set sw=4 ts=4 sts=4 et")
+    vim.command("let g:python_pep8_indent_multiline_string=-2")
+  }
+  it_behaves_like "multiline strings"
+end
+
+describe "Handles far away opening parens" do
+  before { vim.feedkeys '\<ESC>ggdGifrom foo import (' }
+
+  it "indents by one level" do
+    vim.feedkeys '\<CR>'
+    proposed_indent.should == shiftwidth
+  end
+
+  it "indents by one level for 10 lines" do
+    vim.command('set paste | exe "norm 9o" | set nopaste')
+    vim.feedkeys '\<Esc>o'
+    indent.should == shiftwidth
+  end
+
+  it "indents by one level for 50 lines" do
+    vim.command('set paste | exe "norm 49o" | set nopaste')
+    vim.feedkeys '\<Esc>o'
+    indent.should == shiftwidth
+  end
+end
+
+describe "Handles far away opening square brackets" do
+  before { vim.feedkeys '\<ESC>ggdGibar = [' }
+
+  it "indents by one level" do
+    vim.feedkeys '\<CR>'
+    proposed_indent.should == shiftwidth
+  end
+
+  it "indents by one level for 10 lines" do
+    vim.command('set paste | exe "norm 9o" | set nopaste')
+    vim.feedkeys '\<Esc>o'
+    indent.should == shiftwidth
+  end
+
+  it "indents by one level for 100 lines" do
+    vim.command('set paste | exe "norm 99o" | set nopaste')
+    vim.feedkeys '\<Esc>o'
+    indent.should == shiftwidth
+  end
+end
+
+describe "Handles far away opening curly brackets" do
+  before { vim.feedkeys '\<ESC>ggdGijson = {' }
+
+  it "indents by one level" do
+    vim.feedkeys '\<CR>'
+    vim.feedkeys '\<Esc>o'
+    proposed_indent.should == shiftwidth
+  end
+
+  it "indents by one level for 10 lines" do
+    vim.command('set paste | exe "norm 9o" | set nopaste')
+    vim.feedkeys '\<Esc>o'
+    indent.should == shiftwidth
+  end
+
+  it "indents by one level for 1000 lines" do
+    vim.command('set paste | exe "norm 999o" | set nopaste')
+    vim.feedkeys '\<Esc>o'
+    indent.should == shiftwidth
+  end
+end
+
+describe "Compact multiline dict" do
+  before { vim.feedkeys '\<ESC>ggdGid = {"one": 1,' }
+
+  it "gets indented correctly" do
+    vim.feedkeys '\<CR>'
+    proposed_indent.should == 5
+
+    vim.feedkeys '"two": 2}'
+    proposed_indent.should == 5
+
+    vim.feedkeys '\<CR>'
+    proposed_indent.should == 0
+  end

 end
 
 end
 

-describe "vim when using width of 8" do
+describe "Using O" do

   before {
   before {

-    vim.command("set sw=8 ts=8 sts=8 et")
+    vim.feedkeys '\<ESC>ggdG'
+    vim.feedkeys 'iif foo:\<CR>'

   }
 
   }
 

-  it_behaves_like "vim"
+  it "respects autoindent" do
+    vim.feedkeys '1\<CR>\<CR>'
+    indent.should == shiftwidth
+    vim.feedkeys '\<Esc>ko'
+    indent.should == shiftwidth
+    vim.feedkeys '\<Esc>kO'
+    indent.should == shiftwidth
+    # Uses/keeps indent from line above
+    vim.feedkeys '\<Esc>i2\<Esc>O'
+    indent.should == shiftwidth
+    # Uses/keeps indent from line above
+    vim.feedkeys '\<Esc>j\<Esc>O'
+    indent.should == 0
+  end
+end
+
+describe "searchpairpos" do
+  before { vim.feedkeys '\<ESC>ggdG' }
+  it "handles nested parenthesis" do
+    vim.feedkeys 'iif foo.startswith("("):\<CR>'
+    indent.should == shiftwidth
+  end
+end
+
+describe "o within TODO" do
+  before {
+    vim.feedkeys '\<ESC>ggdG'
+    vim.feedkeys 'iif 1:  # TODO\<Esc>'
+    # Assertion that we have a pythonTodo here.
+    vim.echo('synIDattr(synID(line("."), col("."), 0), "name")').should match 'pythonTodo'
+  }
+
+  it "respects autoindent" do
+    vim.feedkeys 'o'
+    indent.should == shiftwidth
+  end

 end
 end