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import { MissingEnvVarsError, parse, config } from "./dotenv.ts";import { test, assert, assertEqual } from "https://deno.land/x/testing/mod.ts";import { readFileSync, env } from "deno";
test(function parser() {  const testDotenv = new TextDecoder("utf-8").decode(    readFileSync("./.env.test")  );  const config = parse(testDotenv);  assertEqual(config.BASIC, "basic", "parses a basic variable");  assertEqual(config.AFTER_EMPTY, "empty", "skips empty lines");  assertEqual(config.AFTER_COMMENT, "comment", "skips lines with comments");  assertEqual(config.EMPTY_VALUE, "", "empty values are empty strings");  assertEqual(    config.QUOTED_SINGLE,    "single quoted",    "single quotes are escaped"  );  assertEqual(    config.QUOTED_DOUBLE,    "double quoted",    "double quotes are escaped"  );  assertEqual(    config.MULTILINE,    "hello\nworld",    "new lines are expanded in double quotes"  );  assertEqual(config.JSON, '{"foo": "bar"}', "inner quotes are maintained");  assertEqual(config.WHITESPACE, "whitespace", "values are trimmed");
  assertEqual(    config.MULTILINE_SINGLE_QUOTE,    "hello\\nworld",    "new lines are escaped in single quotes"  );  assertEqual(config.EQUALS, "equ==als", "handles equals inside string");});
test(function configure() {  let conf = config();  assertEqual(conf.GREETING, "hello world", "fetches .env by default");
  conf = config({ path: "./.env.test" });  assertEqual(conf.BASIC, "basic", "accepts a path to fetch env from");
  conf = config({ export: true });  assertEqual(    env().GREETING,    "hello world",    "exports variables to env when requested"  );});
test(function configureSafe() {  // Default  let conf = config({    safe: true  });  assertEqual(conf.GREETING, "hello world", "fetches .env by default");
  // Custom .env.example  conf = config({    safe: true,    example: "./.env.example.test"  });
  assertEqual(    conf.GREETING,    "hello world",    "accepts a path to fetch env example from"  );
  // Custom .env and .env.example  conf = config({    path: "./.env.safe.test",    safe: true,    example: "./.env.example.test"  });
  assertEqual(    conf.GREETING,    "hello world",    "accepts paths to fetch env and env example from"  );
  // Throws if not all required vars are there  assert.throws(() => {    config({      path: "./.env.safe.test",      safe: true,      example: "./.env.example2.test"    });  }, MissingEnvVarsError);
  // Throws if any of the required vars is empty  assert.throws(() => {    config({      path: "./.env.safe.empty.test",      safe: true,      example: "./.env.example2.test"    });  }, MissingEnvVarsError);
  // Does not throw if any of the required vars is empty, *and* allowEmptyValues is present  config({    path: "./.env.safe.empty.test",    safe: true,    example: "./.env.example2.test",    allowEmptyValues: true  });
  // Does not throw if any of the required vars passed externaly  env().ANOTHER = "VAR";  config({    path: "./.env.safe.test",    safe: true,    example: "./.env.example2.test"  });
  // Throws if any of the required vars passed externaly is empty  env().ANOTHER = "";  assert.throws(() => {    config({      path: "./.env.safe.test",      safe: true,      example: "./.env.example2.test"    });  });
  // Does not throw if any of the required vars passed externaly is empty, *and* allowEmptyValues is present  env().ANOTHER = "";  config({    path: "./.env.safe.test",    safe: true,    example: "./.env.example2.test",    allowEmptyValues: true  });});