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import {  assert,  assertEquals,} from "https://deno.land/std@0.51.0/testing/asserts.ts";import { Spy, spy } from "https://deno.land/x/mock@v0.3.0/spy.ts";
import { createLogger, textFormat, jsonFormat } from "./mod.ts";import { SinkFunction, LogEntry, LogLevel } from "./types.ts";
Deno.test("addSink", () => {  const logger = createLogger({ outputFormat: "[{level}] {message}" });  const sink: Spy<void> = spy();
  logger.addSink(sink);  logger.info("foo");
  // The sink has been run once  assertEquals(sink.calls, [    {      args: [{        level: LogLevel.INFO,        format: "foo",        message: "foo",        formattedMessage: "[INFO] foo",        variables: {},      }],      self: { sinkFunc: sink, outputFormat: "[{level}] {message}" },    },  ]);});
Deno.test("addSink with overriding format", () => {  const logger = createLogger({ outputFormat: "[{level}] {message}" });  const sink: Spy<void> = spy();
  logger.addSink(sink);  logger.addSink(sink, "{message} [{level}]");  logger.info("foo");
  // The sink has been run once  assertEquals(sink.calls, [    {      args: [{        level: LogLevel.INFO,        format: "foo",        message: "foo",        formattedMessage: "[INFO] foo",        variables: {},      }],      self: { sinkFunc: sink, outputFormat: "[{level}] {message}" },    },    {      args: [{        level: LogLevel.INFO,        format: "foo",        message: "foo",        formattedMessage: "foo [INFO]",        variables: {},      }],      self: { sinkFunc: sink, outputFormat: "{message} [{level}]" },    },  ]);});
Deno.test("minimumLevel", () => {  const logger = createLogger(    { minimumLevel: LogLevel.INFO, outputFormat: "[{level}] {message}" },  );  const sink: Spy<void> = spy();
  logger.addSink(sink);  logger.debug("foo");  logger.info("foo");
  // The sink has been run once  assertEquals(sink.calls, [    {      args: [{        level: LogLevel.INFO,        format: "foo",        message: "foo",        formattedMessage: "[INFO] foo",        variables: {},      }],      self: { sinkFunc: sink, outputFormat: "[{level}] {message}" },    },  ]);});
Deno.test("textFormat", () => {  const logger = createLogger({ outputFormat: textFormat });  const sink: Spy<void> = spy();
  const NativeDate = globalThis.Date;  class FakeDate {    toISOString() {      return "0000-00-00T-00:00:00.0000Z";    }  }  globalThis.Date = FakeDate as DateConstructor;  //  // Date is now mocked  //  logger.addSink(sink);  logger.info("foo");  //  // Date is now restored  //  globalThis.Date = NativeDate;
  assertEquals(sink.calls, [    {      args: [{        level: LogLevel.INFO,        format: "foo",        message: "foo",        formattedMessage: "[0000-00-00T-00:00:00.0000Z INFO] foo",        variables: {},      }],      self: { sinkFunc: sink, outputFormat: textFormat },    },  ]);});
Deno.test("jsonFormat", () => {  const logger = createLogger({ outputFormat: jsonFormat });  const sink: Spy<void> = spy();
  const NativeDate = globalThis.Date;  class FakeDate {    toISOString() {      return "0000-00-00T-00:00:00.0000Z";    }  }  globalThis.Date = FakeDate as DateConstructor;  //  // Date is now mocked  //  logger.addSink(sink);  logger.info("{foo}", "bar");  //  // Date is now restored  //  globalThis.Date = NativeDate;
  assertEquals(sink.calls, [    {      args: [{        level: LogLevel.INFO,        format: "{foo}",        message: "bar",        formattedMessage:          '{"message":"bar","level":"INFO","timestamp":"0000-00-00T-00:00:00.0000Z","data":{"foo":"bar"}}',        variables: { "foo": "bar" },      }],      self: { sinkFunc: sink, outputFormat: jsonFormat },    },  ]);});