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import { assertEquals, assertThrows } from "./test_deps.ts";import { config, MissingEnvVarsError, parse } from "./mod.ts";
Deno.test("parser", () => {  const testDotenv = new TextDecoder("utf-8").decode(    Deno.readFileSync("./.env.test"),  );  const config = parse(testDotenv);  assertEquals(config.BASIC, "basic", "parses a basic variable");  assertEquals(config.AFTER_EMPTY, "empty", "skips empty lines");  assertEquals(config["#COMMENT"], undefined, "skips lines with comments");  assertEquals(config.EMPTY_VALUE, "", "empty values are empty strings");
  assertEquals(    config.QUOTED_SINGLE,    "single quoted",    "single quotes are escaped",  );
  assertEquals(    config.QUOTED_DOUBLE,    "double quoted",    "double quotes are escaped",  );
  assertEquals(    config.MULTILINE,    "hello\nworld",    "new lines are expanded in double quotes",  );
  assertEquals(    JSON.parse(config.JSON).foo,    "bar",    "inner quotes are maintained",  );
  assertEquals(    config.WHITESPACE,    "    whitespace   ",    "whitespace in single-quoted values is preserved",  );
  assertEquals(    config.WHITESPACE_DOUBLE,    "    whitespace   ",    "whitespace in double-quoted values is preserved",  );
  assertEquals(    config.MULTILINE_SINGLE_QUOTE,    "hello\\nworld",    "new lines are escaped in single quotes",  );
  assertEquals(config.EQUALS, "equ==als", "handles equals inside string");
  assertEquals(    config.VAR_WITH_SPACE,    "var with space",    "variables defined with spaces are parsed",  );
  assertEquals(    config.VAR_WITH_ENDING_WHITESPACE,    "value",    "variables defined with ending whitespace are trimmed",  );
  assertEquals(    config.V4R_W1TH_NUM8ER5,    "var with numbers",    "accepts variables containing number",  );
  assertEquals(    config["1INVALID"],    undefined,    "variables beginning with a number are not parsed",  );
  assertEquals(    config.INDENTED_VAR,    "indented var",    "accepts variables that are indented with space",  );
  assertEquals(    config.INDENTED_VALUE,    "indented value",    "accepts values that are indented with space",  );
  assertEquals(    config.TAB_INDENTED_VAR,    "indented var",    "accepts variables that are indented with tabs",  );
  assertEquals(    config.TAB_INDENTED_VALUE,    "indented value",    "accepts values that are indented with tabs",  );});
Deno.test("configure", () => {  let conf = config();  assertEquals(conf.GREETING, "hello world", "fetches .env by default");
  assertEquals(conf.DEFAULT1, "Some Default", "default value loaded");
  conf = config({ path: "./.env.test" });  assertEquals(conf.BASIC, "basic", "accepts a path to fetch env from");
  conf = config({ export: true });  assertEquals(    Deno.env.get("GREETING"),    "hello world",    "exports variables to env when requested",  );
  Deno.env.set("DO_NOT_OVERRIDE", "Hello there");  conf = config({ export: true });  assertEquals(    Deno.env.get("DO_NOT_OVERRIDE"),    "Hello there",    "does not export .env value if environment variable is already set",  );
  assertEquals(    config(      {        path: "./.some.non.existent.env",        defaults: "./.some.non.existent.env",      },    ),    {},    "returns empty object if file doesn't exist",  );
  assertEquals(    config({ path: "./.some.non.existent.env" }),    { DEFAULT1: "Some Default" },    "returns with defaults if file doesn't exist",  );});
Deno.test("configureSafe", () => {  // Default  let conf = config({    safe: true,  });  assertEquals(conf.GREETING, "hello world", "fetches .env by default");
  // Custom .env.example  conf = config({    safe: true,    example: "./.env.example.test",  });
  assertEquals(    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",  });
  assertEquals(    conf.GREETING,    "hello world",    "accepts paths to fetch env and env example from",  );
  // Throws if not all required vars are there  assertThrows(() => {    config({      path: "./.env.safe.test",      safe: true,      example: "./.env.example2.test",    });  }, MissingEnvVarsError);
  // Throws if any of the required vars is empty  assertThrows(() => {    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  Deno.env.set("ANOTHER", "VAR");  config({    path: "./.env.safe.test",    safe: true,    example: "./.env.example2.test",  });
  // Throws if any of the required vars passed externaly is empty  Deno.env.set("ANOTHER", "");  assertThrows(() => {    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  Deno.env.set("ANOTHER", "");  config({    path: "./.env.safe.test",    safe: true,    example: "./.env.example2.test",    allowEmptyValues: true,  });});