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import { StringBuilder } from "@implab/core/text/StringBuilder";
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import { test } from "./TestTraits";
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import { MockConsole } from "./mock/MockConsole";
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import { ConsoleWriter } from "@implab/core/log/ConsoleWriter";
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test("String builder", async t => {
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const sb = new StringBuilder();
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sb.write("hello");
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t.equals(sb.toString(), "hello", "Write simple text");
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sb.write(", ");
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sb.write("world!");
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t.equals(sb.toString(), "hello, world!", "Append text");
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sb.clear();
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t.equals(sb.toString(), "", "Clear");
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sb.write(1);
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t.equals(sb.toString(), "1", "Write number");
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sb.clear();
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sb.writeValue(0.123);
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t.equals(sb.toString(), "0.123", "Format number");
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sb.clear();
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sb.writeValue(new Date("2019-01-02T00:00:00.000Z"));
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t.equals(sb.toString(), "2019-01-02T00:00:00.000Z", "Format date (ISO)");
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sb.clear();
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sb.write("{0}", "hello");
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t.equals(sb.toString(), "hello", "Simple format text");
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sb.write(", {0}!", "world");
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t.equals(sb.toString(), "hello, world!", "Append formatted text");
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sb.clear();
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sb.write("abc: {0:json}; {0.length}; {0.1} {{olo}}", ["a", "b", "c"]);
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t.equals(sb.toString(), 'abc: [\n "a",\n "b",\n "c"\n]; 3; b {olo}', "Format string with spec");
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sb.clear();
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t.throws(() => sb.write("}", 0), "Should die on bad format: '}'");
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t.throws(() => sb.write("{", 0), "Should die on bad format: '{'");
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t.throws(() => sb.write("{}", 0), "Should die on bad format: '{}'");
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t.throws(() => sb.write("{:}", 0), "Should die on bad format: '{:}'");
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t.throws(() => sb.write("{{0}", 0), "Should die on bad format: '{{0}'");
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});
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test("ConsoleWriter", t => {
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const mockConsole = new MockConsole();
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const writer = new ConsoleWriter(mockConsole);
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writer.setLogLevel("log");
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writer.writeLine("Hello, world!");
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t.equals(mockConsole.getBuffer().length, 1, "One line should be written");
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t.equals(mockConsole.getBuffer()[0].level, "log", "LogLevel should be 'log'");
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t.deepEqual(mockConsole.getBuffer()[0].data, ["Hello, world!"], "The buffer should contain single string");
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mockConsole.clear();
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writer.setLogLevel("debug");
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writer.write("Bring ");
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writer.write("the {0}!", "light");
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t.equals(mockConsole.getBuffer().length, 0, "No line should be written");
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writer.writeLine();
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t.equals(mockConsole.getBuffer().length, 1, "One line should be written");
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t.equals(mockConsole.getBuffer()[0].level, "debug", "LogLevel should be 'log'");
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t.deepEqual(mockConsole.getBuffer()[0].data, ["Bring the light!"], "Should concatenate string parts together");
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mockConsole.clear();
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writer.writeLine("It's {0} o'clock, lets have some {1}!", { h: 5}, { title: "tee" });
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t.deepEqual(mockConsole.getBuffer()[0].data, ["It's ", { h: 5}, " o'clock, lets have some ", { title: "tee" }, "!"], "Non string parts should be psassed as is");
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mockConsole.clear();
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writer.writeLine("{0} or {1} to {2}", {i: 25}, 6, 4);
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t.deepEqual(mockConsole.getBuffer()[0].data, [{i: 25}, " or 6 to 4"], "25 or 6 to 4");
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mockConsole.clear();
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writer.writeLine("{0} or {1} to {2}! Let's have some {3}", 25, 6, 4, { product: "tee" } );
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t.deepEqual(mockConsole.getBuffer()[0].data, ["25 or 6 to 4! Let's have some ", { product: "tee" }], "Should handle many text chunks and object at the end");
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});
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