Add so many more tests, it's not even funny

1 files changed, 459 insertions, 0 deletions

diff --git a/test/js/deno/fetch/headers.test.ts b/test/js/deno/fetch/headers.test.ts
new file mode 100644
index 000000000..1bac1b93c
--- /dev/null
+++ b/test/js/deno/fetch/headers.test.ts
@@ -0,0 +1,459 @@
+// Copyright 2018+ the Deno authors. All rights reserved. MIT license.
+// https://raw.githubusercontent.com/denoland/deno/main/cli/tests/unit/headers_test.ts
+import { assert, assertEquals, assertThrows } from "deno:harness";
+const { inspectArgs  } = Deno[Deno.internal];
+Deno.test(function headersHasCorrectNameProp() {
+    assertEquals(Headers.name, "Headers");
+});
+Deno.test(function newHeaderTest() {
+    new Headers();
+    new Headers(undefined);
+    new Headers({});
+    try {
+        new Headers(null as any);
+    } catch (e) {
+        assert(e instanceof TypeError);
+    }
+});
+const headerDict: Record<string, string> = {
+    name1: "value1",
+    name2: "value2",
+    name3: "value3",
+    name4: undefined as any,
+    "Content-Type": "value4"
+};
+const headerSeq: any[] = [];
+for (const [name, value] of Object.entries(headerDict)){
+    headerSeq.push([
+        name,
+        value
+    ]);
+}
+Deno.test(function newHeaderWithSequence() {
+    const headers = new Headers(headerSeq);
+    for (const [name, value] of Object.entries(headerDict)){
+        assertEquals(headers.get(name), String(value));
+    }
+    assertEquals(headers.get("length"), null);
+});
+Deno.test(function newHeaderWithRecord() {
+    const headers = new Headers(headerDict);
+    for (const [name, value] of Object.entries(headerDict)){
+        assertEquals(headers.get(name), String(value));
+    }
+});
+Deno.test(function newHeaderWithHeadersInstance() {
+    const headers = new Headers(headerDict);
+    const headers2 = new Headers(headers);
+    for (const [name, value] of Object.entries(headerDict)){
+        assertEquals(headers2.get(name), String(value));
+    }
+});
+Deno.test(function headerAppendSuccess() {
+    const headers = new Headers();
+    for (const [name, value] of Object.entries(headerDict)){
+        headers.append(name, value);
+        assertEquals(headers.get(name), String(value));
+    }
+});
+Deno.test(function headerSetSuccess() {
+    const headers = new Headers();
+    for (const [name, value] of Object.entries(headerDict)){
+        headers.set(name, value);
+        assertEquals(headers.get(name), String(value));
+    }
+});
+Deno.test(function headerHasSuccess() {
+    const headers = new Headers(headerDict);
+    for (const name of Object.keys(headerDict)){
+        assert(headers.has(name), "headers has name " + name);
+        assert(!headers.has("nameNotInHeaders"), "headers do not have header: nameNotInHeaders");
+    }
+});
+Deno.test(function headerDeleteSuccess() {
+    const headers = new Headers(headerDict);
+    for (const name of Object.keys(headerDict)){
+        assert(headers.has(name), "headers have a header: " + name);
+        headers.delete(name);
+        assert(!headers.has(name), "headers do not have anymore a header: " + name);
+    }
+});
+Deno.test(function headerGetSuccess() {
+    const headers = new Headers(headerDict);
+    for (const [name, value] of Object.entries(headerDict)){
+        assertEquals(headers.get(name), String(value));
+        assertEquals(headers.get("nameNotInHeaders"), null);
+    }
+});
+Deno.test(function headerEntriesSuccess() {
+    const headers = new Headers(headerDict);
+    const iterators = headers.entries();
+    for (const it of iterators){
+        const key = it[0];
+        const value = it[1];
+        assert(headers.has(key));
+        assertEquals(value, headers.get(key));
+    }
+});
+Deno.test(function headerKeysSuccess() {
+    const headers = new Headers(headerDict);
+    const iterators = headers.keys();
+    for (const it of iterators){
+        assert(headers.has(it));
+    }
+});
+Deno.test(function headerValuesSuccess() {
+    const headers = new Headers(headerDict);
+    const iterators = headers.values();
+    const entries = headers.entries();
+    const values = [];
+    for (const pair of entries){
+        values.push(pair[1]);
+    }
+    for (const it of iterators){
+        assert(values.includes(it));
+    }
+});
+const headerEntriesDict: Record<string, string> = {
+    name1: "value1",
+    Name2: "value2",
+    name: "value3",
+    "content-Type": "value4",
+    "Content-Typ": "value5",
+    "Content-Types": "value6"
+};
+Deno.test(function headerForEachSuccess() {
+    const headers = new Headers(headerEntriesDict);
+    const keys = Object.keys(headerEntriesDict);
+    keys.forEach((key)=>{
+        const value = headerEntriesDict[key];
+        const newkey = key.toLowerCase();
+        headerEntriesDict[newkey] = value;
+    });
+    let callNum = 0;
+    headers.forEach((value, key, container)=>{
+        assertEquals(headers, container);
+        assertEquals(value, headerEntriesDict[key]);
+        callNum++;
+    });
+    assertEquals(callNum, keys.length);
+});
+Deno.test(function headerSymbolIteratorSuccess() {
+    assert(Symbol.iterator in Headers.prototype);
+    const headers = new Headers(headerEntriesDict);
+    for (const header of headers){
+        const key = header[0];
+        const value = header[1];
+        assert(headers.has(key));
+        assertEquals(value, headers.get(key));
+    }
+});
+Deno.test(function headerTypesAvailable() {
+    function newHeaders(): Headers {
+        return new Headers();
+    }
+    const headers = newHeaders();
+    assert(headers instanceof Headers);
+});
+Deno.test(function headerIllegalReject() {
+    let errorCount = 0;
+    try {
+        new Headers({
+            "He y": "ok"
+        });
+    } catch (_e) {
+        errorCount++;
+    }
+    try {
+        new Headers({
+            "Hé-y": "ok"
+        });
+    } catch (_e) {
+        errorCount++;
+    }
+    try {
+        new Headers({
+            "He-y": "ăk"
+        });
+    } catch (_e) {
+        errorCount++;
+    }
+    const headers = new Headers();
+    try {
+        headers.append("Hé-y", "ok");
+    } catch (_e) {
+        errorCount++;
+    }
+    try {
+        headers.delete("Hé-y");
+    } catch (_e) {
+        errorCount++;
+    }
+    try {
+        headers.get("Hé-y");
+    } catch (_e) {
+        errorCount++;
+    }
+    try {
+        headers.has("Hé-y");
+    } catch (_e) {
+        errorCount++;
+    }
+    try {
+        headers.set("Hé-y", "ok");
+    } catch (_e) {
+        errorCount++;
+    }
+    try {
+        headers.set("", "ok");
+    } catch (_e) {
+        errorCount++;
+    }
+    assertEquals(errorCount, 9);
+    new Headers({
+        "He-y": "o k"
+    });
+});
+Deno.test(function headerParamsShouldThrowTypeError() {
+    let hasThrown = 0;
+    try {
+        new Headers(([
+            [
+                "1"
+            ]
+        ] as unknown) as Array<[string, string]>);
+        hasThrown = 1;
+    } catch (err) {
+        if (err instanceof TypeError) {
+            hasThrown = 2;
+        } else {
+            hasThrown = 3;
+        }
+    }
+    assertEquals(hasThrown, 2);
+});
+Deno.test(function headerParamsArgumentsCheck() {
+    const methodRequireOneParam = [
+        "delete",
+        "get",
+        "has",
+        "forEach"
+    ] as const;
+    const methodRequireTwoParams = [
+        "append",
+        "set"
+    ] as const;
+    methodRequireOneParam.forEach((method)=>{
+        const headers = new Headers();
+        let hasThrown = 0;
+        try {
+            (headers as any)[method]();
+            hasThrown = 1;
+        } catch (err) {
+            if (err instanceof TypeError) {
+                hasThrown = 2;
+            } else {
+                hasThrown = 3;
+            }
+        }
+        assertEquals(hasThrown, 2);
+    });
+    methodRequireTwoParams.forEach((method)=>{
+        const headers = new Headers();
+        let hasThrown = 0;
+        try {
+            (headers as any)[method]();
+            hasThrown = 1;
+        } catch (err) {
+            if (err instanceof TypeError) {
+                hasThrown = 2;
+            } else {
+                hasThrown = 3;
+            }
+        }
+        assertEquals(hasThrown, 2);
+        hasThrown = 0;
+        try {
+            (headers as any)[method]("foo");
+            hasThrown = 1;
+        } catch (err) {
+            if (err instanceof TypeError) {
+                hasThrown = 2;
+            } else {
+                hasThrown = 3;
+            }
+        }
+        assertEquals(hasThrown, 2);
+    });
+});
+Deno.test(function headersInitMultiple() {
+    const headers = new Headers([
+        [
+            "Set-Cookie",
+            "foo=bar"
+        ],
+        [
+            "Set-Cookie",
+            "bar=baz"
+        ],
+        [
+            "X-Deno",
+            "foo"
+        ],
+        [
+            "X-Deno",
+            "bar"
+        ]
+    ]);
+    const actual = [
+        ...headers
+    ];
+    assertEquals(actual, [
+        [
+            "set-cookie",
+            "foo=bar"
+        ],
+        [
+            "set-cookie",
+            "bar=baz"
+        ],
+        [
+            "x-deno",
+            "foo, bar"
+        ]
+    ]);
+});
+Deno.test(function headerInitWithPrototypePollution() {
+    const originalExec = RegExp.prototype.exec;
+    try {
+        RegExp.prototype.exec = ()=>{
+            throw Error();
+        };
+        new Headers([
+            [
+                "X-Deno",
+                "foo"
+            ],
+            [
+                "X-Deno",
+                "bar"
+            ]
+        ]);
+    } finally{
+        RegExp.prototype.exec = originalExec;
+    }
+});
+Deno.test(function headersAppendMultiple() {
+    const headers = new Headers([
+        [
+            "Set-Cookie",
+            "foo=bar"
+        ],
+        [
+            "X-Deno",
+            "foo"
+        ]
+    ]);
+    headers.append("set-Cookie", "bar=baz");
+    headers.append("x-Deno", "bar");
+    const actual = [
+        ...headers
+    ];
+    assertEquals(actual, [
+        [
+            "set-cookie",
+            "foo=bar"
+        ],
+        [
+            "set-cookie",
+            "bar=baz"
+        ],
+        [
+            "x-deno",
+            "foo, bar"
+        ]
+    ]);
+});
+Deno.test(function headersAppendDuplicateSetCookieKey() {
+    const headers = new Headers([
+        [
+            "Set-Cookie",
+            "foo=bar"
+        ]
+    ]);
+    headers.append("set-Cookie", "foo=baz");
+    headers.append("Set-cookie", "baz=bar");
+    const actual = [
+        ...headers
+    ];
+    assertEquals(actual, [
+        [
+            "set-cookie",
+            "foo=bar"
+        ],
+        [
+            "set-cookie",
+            "foo=baz"
+        ],
+        [
+            "set-cookie",
+            "baz=bar"
+        ]
+    ]);
+});
+Deno.test(function headersGetSetCookie() {
+    const headers = new Headers([
+        [
+            "Set-Cookie",
+            "foo=bar"
+        ],
+        [
+            "set-Cookie",
+            "bar=qat"
+        ]
+    ]);
+    assertEquals(headers.get("SET-COOKIE"), "foo=bar, bar=qat");
+});
+Deno.test(function toStringShouldBeWebCompatibility() {
+    const headers = new Headers();
+    assertEquals(headers.toString(), "[object Headers]");
+});
+function stringify(...args: unknown[]): string {
+    return inspectArgs(args).replace(/\n$/, "");
+}
+Deno.test.ignore(function customInspectReturnsCorrectHeadersFormat() {
+    const blankHeaders = new Headers();
+    assertEquals(stringify(blankHeaders), "Headers {}");
+    const singleHeader = new Headers([
+        [
+            "Content-Type",
+            "application/json"
+        ]
+    ]);
+    assertEquals(stringify(singleHeader), `Headers { "content-type": "application/json" }`);
+    const multiParamHeader = new Headers([
+        [
+            "Content-Type",
+            "application/json"
+        ],
+        [
+            "Content-Length",
+            "1337"
+        ]
+    ]);
+    assertEquals(stringify(multiParamHeader), `Headers { "content-length": "1337", "content-type": "application/json" }`);
+});
+Deno.test(function invalidHeadersFlaky() {
+    assertThrows(()=>new Headers([
+            [
+                "x",
+                "\u0000x"
+            ]
+        ]), TypeError, "Header value is not valid.");
+    assertThrows(()=>new Headers([
+            [
+                "x",
+                "\u0000x"
+            ]
+        ]), TypeError, "Header value is not valid.");
+});