// Copyright (c) 2018, Compiler Explorer Authors
// All rights reserved.
//
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// modification, are permitted provided that the following conditions are met:
//
//     * Redistributions of source code must retain the above copyright notice,
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//     * Redistributions in binary form must reproduce the above copyright
//       notice, this list of conditions and the following disclaimer in the
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//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// POSSIBILITY OF SUCH DAMAGE.

const chai = require('chai'),
    sinon = require('sinon'),
    {StorageBase} = require('../../lib/storage/storage');

const should = chai.should();

describe('Hash tests', () => {
    afterEach(() => sinon.restore());
    it('should never generate invalid characters', () => {
        for (let i = 0; i < 256; ++i) {
            const buf = Buffer.of(i);
            const as64 = StorageBase.safe64Encoded(buf);
            as64.should.not.contain("/");
            as64.should.not.contain("+");
        }
    });
    const badResult = 'R0Rapeabcdefghio1327698asdhjkJJklQp'.toLowerCase(); // An unfortunate hash, see https://github.com/mattgodbolt/compiler-explorer/issues/1297
    it('should detect profanities in hashes', () => {
        StorageBase.isCleanText("I am the very model of a major general").should.be.true;
        StorageBase.isCleanText(badResult).should.be.false;
    });
    it('should avoid profanities and illegible characters in hashes', () => {
        const testCase = {some: "test"};
        const goodResult = 'uy3AkJTC9PRg8LfxqcxuUgKrCb-OatsRW7FAAVi3-4M'; // L in 13th place: OK
        const callback = sinon.stub()
            .onFirstCall().returns(badResult)
            .onSecondCall().returns(badResult) // force nonce to update a couple of times
            .returns(goodResult);
        sinon.replace(StorageBase, 'safe64Encoded', callback);
        const {config, configHash} = StorageBase.getSafeHash(testCase);
        configHash.should.not.equal(badResult);
        configHash.should.equal(goodResult);
        const asObj = JSON.parse(config);
        should.exist(asObj.nonce);
        asObj.nonce.should.equal(2);
    });
    it('should detect illegible characters in hashes', () => {
        StorageBase.isLegibleText("three").should.be.true;
        StorageBase.isLegibleText(badResult).should.be.false;
    });
    it('should not modify ok hashes', () => {
        const testCase = {some: "test"};
        const {config, configHash} = StorageBase.getSafeHash(testCase); // L in 13th place: OK
        const asObj = JSON.parse(config);
        should.not.exist(asObj.nonce);
    });
});

@@ -1931,12 +1931,12 @@
  'R0
-Rape
+Butt
 abcd
@@ -1984,22 +1984,12 @@
  // 
-An unfortunate
+Butt
  has

Use better word for profanity check test