feat: add hidden flag for forcing default inshellisense prompt for testing

.github/workflows/ci.yml

@@ -23,37 +23,6 @@ jobs:
 
       - run: npm run lint
 
-      - name: setup pwsh prompt
-        shell: pwsh
-        if: matrix.os == 'windows-latest'
-        run: |
-          New-Item -Path $profile -ItemType File -Force
-          Set-Content $profile 'function prompt {'
-          Add-Content $profile '  $prompt = "PS: $(get-date)> "'
-          Add-Content $profile '  return "`e]6973;PS`a$prompt`e]6973;PE`a"'
-          Add-Content $profile '}'
-
-      - name: setup powershell prompt
-        if: matrix.os == 'windows-latest'
-        shell: powershell
-        run: |
-          New-Item -Path $profile -ItemType File -Force
-          Set-Content $profile 'function prompt {'
-          Add-Content $profile '  $ESC = [char]27'
-          Add-Content $profile '  $BEL = [char]7'
-          Add-Content $profile '  $prompt = "PS: $(Get-Location)> "'
-          Add-Content $profile '  return "$ESC]6973;PS$BEL$prompt$ESC]6973;PE$BEL"'
-          Add-Content $profile '}'
-
-      - name: setup fish prompt
-        if: matrix.os != 'windows-latest'
-        shell: bash
-        run: |
-          mkdir -p ~/.config/fish/functions && touch ~/.config/fish/functions/fish_prompt.fish
-          echo "function fish_prompt -d \"Write out the prompt\"" >> ~/.config/fish/functions/fish_prompt.fish
-          echo "  printf '\033]6973;PS\007%s@%s %s%s%s > \033]6973;PE\007' $USER $hostname (set_color $fish_color_cwd) (prompt_pwd) (set_color normal)" >> ~/.config/fish/functions/fish_prompt.fish
-          echo "end" >> ~/.config/fish/functions/fish_prompt.fish
-
       - name: setup zsh-autosuggestions
         if: matrix.os != 'windows-latest'
         shell: bash

jest.config.cjs

@@ -18,4 +18,5 @@ module.exports = {
       },
     ],
   },
+  testPathIgnorePatterns: ["/node_modules/", "src/tests/ui/", ".tui-test/"],
 };

shell/shellIntegration-rc.zsh

@@ -41,6 +41,9 @@ __is_update_cwd() {
 
 __is_update_prompt() {
 	__is_prior_prompt="$PS1"
+	if [ $ISTERM_TESTING == "1" ]; then
+		__is_prior_prompt = "> "
+	fi
 	PS1="%{$(__is_prompt_start)%}$PS1%{$(__is_prompt_end)%}"
 }
 

shell/shellIntegration.bash

@@ -57,6 +57,9 @@ fi
 __is_update_prompt() {
 	if [[ "$__is_custom_PS1" == "" || "$__is_custom_PS1" != "$PS1" ]]; then
         __is_original_PS1=$PS1
+		if [ $ISTERM_TESTING == "1" ]; then
+			__is_original_PS1="> "
+		fi
         __is_custom_PS1="\[$(__is_prompt_start)\]$__is_original_PS1\[$(__is_prompt_end)\]"
         export PS1="$__is_custom_PS1"
     fi

shell/shellIntegration.fish

@@ -11,4 +11,9 @@ end
 function __is_update_cwd --on-event fish_prompt; set __is_cwd (__is_escape_value "$PWD"); printf "\e]6973;CWD;$__is_cwd\a"; end
 
 __is_copy_function fish_prompt is_user_prompt
+
+if [ "$ISTERM_TESTING" == "1" ]
+	function is_user_prompt; printf '> '; end
+end
+
 function fish_prompt; printf (__is_prompt_start); printf (is_user_prompt); printf (__is_prompt_end); end

shell/shellIntegration.ps1

@@ -1,5 +1,12 @@
 $Global:__IsOriginalPrompt = $function:Prompt
 
+function Global:__IsTestingPrompt() {
+    return "PS > "
+}
+if ($env:ISTERM_TESTING -eq "1") {
+    $Global:__IsOriginalPrompt = $function:__IsTestingPrompt
+}
+
 function Global:__IS-Escape-Value([string]$value) {
     [regex]::Replace($value, '[\\\n;]', { param($match)
             -Join (

src/commands/root.ts

@@ -14,6 +14,7 @@ type RootCommandOptions = {
   shell: Shell | undefined;
   verbose: boolean | undefined;
   check: boolean | undefined;
+  test: boolean | undefined;
 };
 
 export const action = (program: Command) => async (options: RootCommandOptions) => {
@@ -39,5 +40,5 @@ export const action = (program: Command) => async (options: RootCommandOptions)
   } else if (shell == Shell.Bash) {
     await setupBashPreExec();
   }
-  await render(shell);
+  await render(shell, options.test ?? false);
 };

src/index.ts

@@ -5,7 +5,7 @@
 
 /* eslint-disable header/header */
 
-import { Command } from "commander";
+import { Command, Option } from "commander";
 
 import complete from "./commands/complete.js";
 import uninstall from "./commands/uninstall.js";
@@ -14,13 +14,20 @@ import { getVersion } from "./utils/version.js";
 
 const program = new Command();
 
+const hiddenOption = (flags: string, description: string) => {
+  const option = new Option(flags, description);
+  option.hidden = true;
+  return option;
+};
+
 program
   .name("inshellisense")
   .description("IDE style command line auto complete")
   .version(await getVersion(), "-v, --version", "output the current version")
   .action(action(program))
   .option("-s, --shell <shell>", `shell to use for command execution, supported shells: ${supportedShells}`)
   .option("-c, --check", `check if shell is in an inshellisense session`)
+  .addOption(hiddenOption("-T, --test", "used to make e2e tests reproducible across machines"))
   .option("-V, --verbose", `enable verbose logging`)
   .showHelpAfterError("(add --help for additional information)");
 

src/isterm/pty.ts

@@ -25,6 +25,7 @@ type ISTermOptions = {
   cols: number;
   shell: Shell;
   shellArgs?: string[];
+  underTest: boolean;
 };
 
 export class ISTerm implements IPty {
@@ -44,13 +45,13 @@ export class ISTerm implements IPty {
   readonly #commandManager: CommandManager;
   readonly #shell: Shell;
 
-  constructor({ shell, cols, rows, env, shellTarget, shellArgs }: ISTermOptions & { shellTarget: string }) {
+  constructor({ shell, cols, rows, env, shellTarget, shellArgs, underTest }: ISTermOptions & { shellTarget: string }) {
     this.#pty = pty.spawn(shellTarget, shellArgs ?? [], {
       name: "xterm-256color",
       cols,
       rows,
       cwd: process.cwd(),
-      env: { ...convertToPtyEnv(shell), ...env },
+      env: { ...convertToPtyEnv(shell, underTest), ...env },
     });
     this.pid = this.#pty.pid;
     this.cols = this.#pty.cols;
@@ -264,10 +265,11 @@ const convertToPtyTarget = async (shell: Shell) => {
   return { shellTarget, shellArgs };
 };
 
-const convertToPtyEnv = (shell: Shell) => {
+const convertToPtyEnv = (shell: Shell, underTest: boolean) => {
   const env = {
     ...process.env,
     ISTERM: "1",
+    ISTERM_TESTING: underTest ? "1" : undefined,
   };
   switch (shell) {
     case Shell.Cmd: {
@@ -278,5 +280,6 @@ const convertToPtyEnv = (shell: Shell) => {
       return { ...env, ZDOTDIR: zdotdir, USER_ZDOTDIR: userZdotdir };
     }
   }
+
   return env;
 };

src/tests/isterm/pty.test.ts

@@ -3,17 +3,14 @@
 
 import os from "node:os";
 import isterm from "../../isterm";
-import { cursorBackward, IstermPromptEnd, IstermPromptStart } from "../../utils/ansi";
+import { cursorBackward } from "../../utils/ansi";
 import { Shell } from "../../utils/shell";
 
 const windowsTest = os.platform() == "win32" ? test.skip : test.skip;
 const unixTest = os.platform() == "darwin" || os.platform() == "linux" ? test.skip : test.skip;
 
-const bashEnv = { PS1: `${IstermPromptStart}\\u$ ${IstermPromptEnd}` };
-const zshEnv = { PROMPT: `%{${IstermPromptStart}%}%/ %# %{${IstermPromptEnd}%}` };
-
 const runTerm = async (shell: Shell, input: string[], env?: { [key: string]: string | undefined }) => {
-  const ptyProcess = await isterm.spawn({ shell, rows: process.stdout.rows, cols: process.stdout.columns, env });
+  const ptyProcess = await isterm.spawn({ shell, rows: process.stdout.rows, cols: process.stdout.columns, env, underTest: true });
   await new Promise((r) => setTimeout(r, 1_000));
   for (const data of input) {
     ptyProcess.write(data);
@@ -82,7 +79,7 @@ windowsTest(
 unixTest(
   "test bash on initial simple command input",
   async () => {
-    const r = await runTerm(Shell.Bash, ["ls\r", "zsh"], bashEnv);
+    const r = await runTerm(Shell.Bash, ["ls\r", "zsh"]);
     expect(r).toMatchSnapshot();
   },
   10000,
@@ -91,7 +88,7 @@ unixTest(
 unixTest(
   "test zsh on initial simple command input",
   async () => {
-    const r = await runTerm(Shell.Zsh, ["ls\r", "zsh"], zshEnv);
+    const r = await runTerm(Shell.Zsh, ["ls\r", "zsh"]);
     expect(r).toMatchSnapshot();
   },
   10000,
@@ -100,7 +97,7 @@ unixTest(
 unixTest(
   "test zsh on suggestion detection",
   async () => {
-    const r = await runTerm(Shell.Zsh, ["ls -la\r", "l"], zshEnv);
+    const r = await runTerm(Shell.Zsh, ["ls -la\r", "l"]);
     expect(r).toMatchSnapshot();
   },
   10000,

src/tests/runtime/__snapshots__/runtime.test.ts.snap

@@ -480,7 +480,7 @@ exports[`parseCommand noOptionsSuggestedDuringVariadicArg 1`] = `
 exports[`parseCommand optionsSuggestedAfterVariadicArg 1`] = `
 {
   "argumentDescription": undefined,
-  "charactersToDrop": 1,
+  "charactersToDrop": 2,
   "suggestions": [
     {
       "allNames": [
@@ -494,22 +494,22 @@ exports[`parseCommand optionsSuggestedAfterVariadicArg 1`] = `
     },
     {
       "allNames": [
-        "-@",
+        "-L",
       ],
-      "description": "Display extended attribute keys and sizes in long (-l) output",
+      "description": "Follow all symbolic links to final target and list the file or directory the link references rather than the link itself.  This option cancels the -P option",
       "icon": "🔗",
       "insertValue": undefined,
-      "name": "-@",
+      "name": "-L",
       "priority": 50,
     },
     {
       "allNames": [
-        "-1",
+        "-l",
       ],
-      "description": "(The numeric digit \`\`one''.)  Force output to be one entry per line.  This is the default when output is not to a terminal",
+      "description": "(The lowercase letter \`\`ell''.)  List in long format.  (See below.)  A total sum for all the file sizes is output on a line before the long listing",
       "icon": "🔗",
       "insertValue": undefined,
-      "name": "-1",
+      "name": "-l",
       "priority": 50,
     },
   ],

src/tests/runtime/runtime.test.ts

@@ -13,7 +13,7 @@ const testData = [
   { name: "exclusiveOnOption", command: "ag --affinity --no" },
   { name: "providedSuggestion", command: "bw completion --shell " },
   { name: "fullyTypedSuggestion", command: "ls -W" },
-  { name: "optionsSuggestedAfterVariadicArg", command: "ls item -", maxSuggestions: 3 },
+  { name: "optionsSuggestedAfterVariadicArg", command: "ls item -l", maxSuggestions: 3 },
   { name: "noOptionsSuggestedDuringVariadicArg", command: "ls -W ite" },
   { name: "providedArgDescription", command: "act completion bash -a " },
   { name: "completedOptionWithArg", command: "act completion bash -a 'actor' " },

src/ui/ui-root.ts

@@ -16,8 +16,8 @@ export const renderConfirmation = (live: boolean): string => {
   return `inshellisense session [${statusMessage}]\n`;
 };
 
-export const render = async (shell: Shell) => {
-  const term = await isterm.spawn({ shell, rows: process.stdout.rows, cols: process.stdout.columns });
+export const render = async (shell: Shell, underTest: boolean) => {
+  const term = await isterm.spawn({ shell, rows: process.stdout.rows, cols: process.stdout.columns, underTest });
   const suggestionManager = new SuggestionManager(term, shell);
   let hasActiveSuggestions = false;
   let previousSuggestionsRows = 0;