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import { assertEqual, test } from "../testing/mod.ts";
import { LogRecord, Logger } from "./logger.ts";
import { LogLevel, getLevelName, getLevelByName } from "./levels.ts";
import { BaseHandler } from "./handlers.ts";
class TestHandler extends BaseHandler {
public messages: string[] = [];
public log(str: string): void {
this.messages.push(str);
}
}
test(function simpleHandler() {
const cases = new Map<number, string[]>([
[LogLevel.DEBUG, [
"DEBUG debug-test",
"INFO info-test",
"WARNING warning-test",
"ERROR error-test",
"CRITICAL critical-test"
]],
[LogLevel.INFO, [
"INFO info-test",
"WARNING warning-test",
"ERROR error-test",
"CRITICAL critical-test"
]],
[LogLevel.WARNING, [
"WARNING warning-test",
"ERROR error-test",
"CRITICAL critical-test"
]],
[LogLevel.ERROR, [
"ERROR error-test",
"CRITICAL critical-test"
]],
[LogLevel.CRITICAL, [
"CRITICAL critical-test"
]]
]);
for (const [testCase, messages] of cases.entries()) {
const testLevel = getLevelName(testCase);
const handler = new TestHandler(testLevel);
for (const levelName in LogLevel) {
const level = getLevelByName(levelName);
handler.handle({
msg: `${levelName.toLowerCase()}-test`,
args: [],
datetime: new Date(),
level: level,
levelName: levelName
});
}
assertEqual(handler.level, testCase);
assertEqual(handler.levelName, testLevel);
assertEqual(handler.messages, messages);
}
});
test(function testFormatterAsString() {
const handler = new TestHandler("DEBUG", {
formatter: "test {levelName} {msg}"
});
handler.handle({
msg: "Hello, world!",
args: [],
datetime: new Date(),
level: LogLevel.DEBUG,
levelName: "DEBUG"
});
assertEqual(handler.messages, ["test DEBUG Hello, world!"]);
});
test(function testFormatterAsFunction() {
const handler = new TestHandler("DEBUG", {
formatter: logRecord =>
`fn formmatter ${logRecord.levelName} ${logRecord.msg}`
});
handler.handle({
msg: "Hello, world!",
args: [],
datetime: new Date(),
level: LogLevel.ERROR,
levelName: "ERROR"
});
assertEqual(handler.messages, ["fn formmatter ERROR Hello, world!"]);
});
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