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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
import { assertEquals } from "../assert/mod.ts";import { parse } from "./parse.ts";import * as path from "../path/mod.ts";
const moduleDir = path.dirname(path.fromFileUrl(import.meta.url));const testdataDir = path.resolve(moduleDir, "testdata");
Deno.test("parse()", () => {  const testDotenv = Deno.readTextFileSync(    path.join(testdataDir, "./.env.test"),  );
  const load = parse(testDotenv);  assertEquals(Object.keys(load).length, 24, "parses 24 keys");  assertEquals(load.BASIC, "basic", "parses a basic variable");  assertEquals(load.AFTER_EMPTY, "empty", "skips empty lines");  assertEquals(load["#COMMENT"], undefined, "skips lines with comments");  assertEquals(load.EMPTY_VALUE, "", "empty values are empty strings");
  assertEquals(    load.QUOTED_SINGLE,    "single quoted",    "single quotes are escaped",  );
  assertEquals(    load.QUOTED_DOUBLE,    "double quoted",    "double quotes are escaped",  );
  assertEquals(    load.EMPTY_SINGLE,    "",    "handles empty single quotes",  );
  assertEquals(    load.EMPTY_DOUBLE,    "",    "handles empty double quotes",  );
  assertEquals(    load.MULTILINE,    "hello\nworld",    "new lines are expanded in double quotes",  );
  assertEquals(    JSON.parse(load.JSON || JSON.stringify({})).foo,    "bar",    "inner quotes are maintained",  );
  assertEquals(    load.WHITESPACE,    "    whitespace   ",    "whitespace in single-quoted values is preserved",  );
  assertEquals(    load.WHITESPACE_DOUBLE,    "    whitespace   ",    "whitespace in double-quoted values is preserved",  );
  assertEquals(    load.MULTILINE_SINGLE_QUOTE,    "hello\\nworld",    "new lines are escaped in single quotes",  );
  assertEquals(load.EQUALS, "equ==als", "handles equals inside string");
  assertEquals(    load.VAR_WITH_SPACE,    "var with space",    "variables defined with spaces are parsed",  );
  assertEquals(    load.VAR_WITH_ENDING_WHITESPACE,    "value",    "variables defined with ending whitespace are trimmed",  );
  assertEquals(    load.V4R_W1TH_NUM8ER5,    "var with numbers",    "accepts variables containing number",  );
  assertEquals(    load["1INVALID"],    undefined,    "variables beginning with a number are not parsed",  );
  assertEquals(    load.INDENTED_VAR,    "indented var",    "accepts variables that are indented with space",  );
  assertEquals(    load.INDENTED_VALUE,    "indented value",    "accepts values that are indented with space",  );
  assertEquals(    load.TAB_INDENTED_VAR,    "indented var",    "accepts variables that are indented with tabs",  );
  assertEquals(    load.TAB_INDENTED_VALUE,    "indented value",    "accepts values that are indented with tabs",  );
  assertEquals(    load.PRIVATE_KEY_SINGLE_QUOTED,    "-----BEGIN RSA PRIVATE KEY-----\n...\nHkVN9...\n...\n-----END DSA PRIVATE KEY-----",    "Private Key Single Quoted",  );
  assertEquals(    load.PRIVATE_KEY_DOUBLE_QUOTED,    "-----BEGIN RSA PRIVATE KEY-----\n...\nHkVN9...\n...\n-----END DSA PRIVATE KEY-----",    "Private Key Double Quoted",  );
  assertEquals(    load.EXPORT_IS_IGNORED,    "export is ignored",    "export at the start of the key is ignored",  );});
Deno.test("parse() ignores comments", () => {  const testDotenv = Deno.readTextFileSync(    path.join(testdataDir, "./.env.comments"),  );
  const load = parse(testDotenv);  assertEquals(load.FOO, "bar", "unquoted value with a simple comment");  assertEquals(    load.GREETING,    "hello world",    "double quoted value with a simple comment",  );  assertEquals(    load.SPECIAL_CHARACTERS_UNQUOTED,    "123",    "unquoted value with special characters in comment",  );  assertEquals(    load.SPECIAL_CHARACTERS_UNQUOTED_NO_SPACES,    "123",    "unquoted value with special characters in comment which is right after value",  );});
Deno.test("parse() expands variables", () => {  const testDotenv = Deno.readTextFileSync(    path.join(testdataDir, "./.env.expand.test"),  );
  const load = parse(testDotenv);  assertEquals(    load.EXPAND_ESCAPED,    "\\$THE_ANSWER",    "variable is escaped not expanded",  );  assertEquals(load.EXPAND_VAR, "42", "variable is expanded");  assertEquals(    load.EXPAND_TWO_VARS,    "single quoted!==double quoted",    "two variables are expanded",  );  assertEquals(    load.EXPAND_RECURSIVE,    "single quoted!==double quoted",    "recursive variables expanded",  );  assertEquals(load.EXPAND_DEFAULT_TRUE, "default", "default expanded");  assertEquals(load.EXPAND_DEFAULT_FALSE, "42", "default not expanded");  assertEquals(load.EXPAND_DEFAULT_VAR, "42", "default var expanded");  assertEquals(    load.EXPAND_DEFAULT_VAR_RECURSIVE,    "single quoted!==double quoted",    "default recursive var expanded",  );  assertEquals(    load.EXPAND_DEFAULT_VAR_DEFAULT,    "default",    "default variable's default value is used",  );  assertEquals(    load.EXPAND_DEFAULT_WITH_SPECIAL_CHARACTERS,    "/default/path",    "default with special characters expanded",  );  assertEquals(    load.EXPAND_VAR_IN_BRACKETS,    "42",    "variable in brackets is expanded",  );  assertEquals(    load.EXPAND_TWO_VARS_IN_BRACKETS,    "single quoted!==double quoted",    "two variables in brackets are expanded",  );  assertEquals(    load.EXPAND_RECURSIVE_VAR_IN_BRACKETS,    "single quoted!==double quoted",    "recursive variables in brackets expanded",  );  assertEquals(    load.EXPAND_DEFAULT_IN_BRACKETS_TRUE,    "default",    "default in brackets expanded",  );  assertEquals(    load.EXPAND_DEFAULT_IN_BRACKETS_FALSE,    "42",    "default in brackets not expanded",  );  assertEquals(    load.EXPAND_DEFAULT_VAR_IN_BRACKETS,    "42",    "default var in brackets expanded",  );  assertEquals(    load.EXPAND_DEFAULT_VAR_IN_BRACKETS_RECURSIVE,    "single quoted!==double quoted",    "default recursive var in brackets expanded",  );  assertEquals(    load.EXPAND_DEFAULT_VAR_IN_BRACKETS_DEFAULT,    "default",    "default variable's default value in brackets is used",  );  assertEquals(    load.EXPAND_DEFAULT_IN_BRACKETS_WITH_SPECIAL_CHARACTERS,    "/default/path",    "default in brackets with special characters expanded",  );  assertEquals(    load.EXPAND_WITH_DIFFERENT_STYLES,    "single quoted!==double quoted",    "variables within and without brackets expanded",  );});