emacs: fix comments, add tests

Author: askalt

emacs.go

@@ -39,33 +39,33 @@ Editing
 */
 
 var emacsKeyBindings = []KeyBind{
-	// Go to the End of the line
+	// Go to the End of the command.
 	{
 		Key: ControlE,
 		Fn:  GoCmdEnd,
 	},
-	// Go to the beginning of the line
+	// Go to the beginning of the command.
 	{
 		Key: ControlA,
 		Fn:  GoCmdBeginning,
 	},
-	// Cut the Line after the cursor
+	// Cut the command after the cursor.
 	{
 		Key: ControlK,
 		Fn: func(buf *Buffer) {
 			x := []rune(buf.Document().TextAfterCursor())
 			buf.Delete(len(x))
 		},
 	},
-	// Cut/delete the Line before the cursor
+	// Cut the command before the cursor.
 	{
 		Key: ControlU,
 		Fn: func(buf *Buffer) {
 			x := []rune(buf.Document().TextBeforeCursor())
 			buf.DeleteBeforeCursor(len(x))
 		},
 	},
-	// Delete character under the cursor
+	// Delete character under the cursor.
 	{
 		Key: ControlD,
 		Fn: func(buf *Buffer) {
@@ -74,19 +74,19 @@ var emacsKeyBindings = []KeyBind{
 			}
 		},
 	},
-	// Backspace
+	// Backspace.
 	{
 		Key: ControlH,
 		Fn: func(buf *Buffer) {
 			buf.DeleteBeforeCursor(1)
 		},
 	},
-	// Right allow: Forward one character
+	// Right allow: Forward one character.
 	{
 		Key: ControlF,
 		Fn:  GoRightChar,
 	},
-	// Left allow: Backward one character
+	// Left allow: Backward one character.
 	{
 		Key: ControlB,
 		Fn:  GoLeftChar,

test/integration/prompt/pipelines/completion_revsearch.yml

@@ -0,0 +1,71 @@
+- cmd: [a]
+  pane: |
+    prompt_app> a
+                  abc
+                  aad
+                  aba
+                  aart
+                  apple
+- cmd: [b]
+  pane: |
+    prompt_app> ab
+                   abc
+                   aba
+
+- cmd: [Tab, Tab]
+  pane: |
+    prompt_app> aba
+                   abc
+                   aba
+
+- cmd: [Enter]
+  pane: |
+    prompt_app> aba
+    cmd: aba
+    prompt_app>
+
+- cmd: [C-r, q]
+  pane: |
+    prompt_app> aba
+    cmd: aba
+    (failed reverse-i-search)`q':
+
+- cmd: [Left, C-l]
+  pane: |
+    prompt_app>
+
+- cmd: [C-r, a]
+  pane: |
+    (reverse-i-search)`a':aba
+
+- cmd: [Enter]
+  pane: |
+    prompt_app> aba
+    cmd: aba
+    prompt_app>
+
+- cmd: ["if some then\nprint(один)", Enter]
+
+- cmd: ["if some then\nprint(три)\nelse\nprint(четыре)", Enter, C-l]
+  pane: |
+    prompt_app> 
+
+- cmd: [C-r, pri]
+  pane: |
+    (reverse-i-search)`pri':if some then
+    print(три)
+    else
+    print(четыре)
+
+- cmd: [C-r]
+  pane: |
+    (reverse-i-search)`pri':if some then
+    print(один)
+
+- cmd: [Enter]
+  pane: |
+    prompt_app> if some then
+    print(один)
+    cmd: if some then
+    print(один)
+    prompt_app>

test/integration/prompt/pipelines/erase_manipulations.yml

@@ -0,0 +1,50 @@
+- cmd: |
+    hello
+     world
+    а также
+        мир!
+  pane: |
+    prompt_app> hello
+     world
+    а также
+        мир!
+
+- cmd: [C-w]
+  pane: |
+    prompt_app> hello
+     world
+    а также
+  cursor: [4, 3]
+
+- cmd: [M-b, M-b, C-k]
+  pane: |
+    prompt_app> hello
+     world
+    
+- cmd: |
+    дополнительные
+    много
+    строчек, да!
+
+- cmd: [M-b, C-u]
+  pane: |
+    prompt_app> да!
+
+- cmd: [C-d, C-d]
+  pane: |
+    prompt_app> !
+
+- cmd: |
+    снова
+    много строчек
+    а б в г д е
+
+- cmd: [C-w, C-w, C-w, C-w, C-w]
+  pane: |
+    prompt_app> снова
+    много строчек
+    а !
+
+- cmd: [C-k, C-w, C-w, C-w, C-w, C-w, C-w, C-w, C-w] # too many
+  pane: |
+    prompt_app>

test/integration/prompt/test_prompt.py

@@ -1,4 +1,7 @@
+import os
+
 import pytest
+import yaml
 
 DEFAULT_KEYS = {
     "Left": "Left",
@@ -363,3 +366,26 @@ def test_go_left_right_word(prompt, keys):
     for cmd, cursor in zip(cmds, cursors):
         prompt.send_keys(cmd)
         assert prompt.get_cursor() == cursor
+
+
+@pytest.mark.parametrize("keys", [DEFAULT_KEYS, EMACS_KEYS])
+@pytest.mark.parametrize("pipeline_file", [
+    "completion_revsearch.yml",
+    "erase_manipulations.yml"
+])
+def test_pipeline(prompt, pipeline_file, keys):
+    test_files_path = os.path.relpath(
+        os.path.join(os.path.dirname(__file__), "pipelines"))
+    with open(os.path.join(test_files_path, pipeline_file)) as pipeline_data:
+        pipeline = yaml.safe_load(pipeline_data)
+    for step in pipeline:
+        cmd = step["cmd"]
+        for i in range(len(cmd)):
+            if cmd[i] in keys:
+                cmd[i] = keys[cmd[i]]
+        prompt.send_keys(cmd)
+        if "cursor" in step:
+            x, y = step["cursor"]
+            assert prompt.get_cursor() == (x, y)
+        if "pane" in step:
+            assert prompt.dump_workspace() == step["pane"].strip()

test/requirements.txt

@@ -1,4 +1,5 @@
 pytest==6.2.5
 flake8==3.8.1
 flake8-unused-arguments==0.0.6
-flake8-isort==4.0.0
+flake8-isort==4.0.0
+pyyaml==6.0.1