Initial release

[websub-hub] / test / src / common.js

diff --git a/test/src/common.js b/test/src/common.js
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+/* eslint-env mocha */
+'use strict';
+
+const assert = require('assert');
+const common = require('../../src/common');
+
+describe('Common', function () {
+  
+  describe('freezeDeep', function () {
+    it('freezes things', function () {
+      const obj = {
+        sub1: {
+          sub2: {
+            foo: 'blah',
+          },
+        },
+      };
+      const result = common.freezeDeep(obj);
+      assert(Object.isFrozen(result));
+      assert(Object.isFrozen(result.sub1));
+      assert(Object.isFrozen(result.sub1.sub2));
+      assert(Object.isFrozen(result.sub1.sub2.foo));
+    });
+  }); // freezeDeep
+
+  describe('axiosResponseLogData', function () {
+    it('covers', function () {
+      const response = {
+        status: 200,
+        statusText: 'OK',
+        headers: {
+          'Content-Type': 'text/plain',
+        },
+        otherData: 'blah',
+        data: 'Old Mother West Wind had stopped to talk with the Slender Fir Tree. "I\'ve just come across the Green Meadows," said Old Mother West Wind, “and there I saw the Best Thing in the World.”',
+      };
+      const expected = {
+        status: 200,
+        statusText: 'OK',
+        headers: {
+          'Content-Type': 'text/plain',
+        },
+        data: 'Old Mother West Wind had stopped to talk with the Slender Fir Tree. "I\'ve just come across the Green... (184 bytes)',
+      };
+      const result = common.axiosResponseLogData(response);
+      assert.deepStrictEqual(result, expected);
+    });
+    it('covers no data', function () {
+      const response = {
+        status: 200,
+        statusText: 'OK',
+        headers: {
+          'Content-Type': 'text/plain',
+        },
+      };
+      const expected = {
+        status: 200,
+        statusText: 'OK',
+        headers: {
+          'Content-Type': 'text/plain',
+        },
+      };
+      const result = common.axiosResponseLogData(response);
+      assert.deepStrictEqual(result, expected);
+    });
+  }); // axiosResponseLogData
+
+  describe('topicLeaseDefaults', function () {
+    it('supplies necessary properties', function () {
+      const result = common.topicLeaseDefaults();
+      assert('leaseSecondsPreferred' in result);
+      assert.strictEqual(typeof result.leaseSecondsPreferred, 'number');
+      assert('leaseSecondsMax' in result);
+      assert.strictEqual(typeof result.leaseSecondsMax, 'number');
+      assert('leaseSecondsMin' in result);
+      assert.strictEqual(typeof result.leaseSecondsMin, 'number');
+    });
+    it('cannot be changed', function () {
+      const result = common.topicLeaseDefaults();
+      const origMin = result.leaseSecondsMin;
+      try {
+        result.leaseSecondsMin += 10;
+        assert.fail('assign should fail');
+      } catch (e) {
+        assert(e instanceof TypeError);
+      }
+      assert.strictEqual(result.leaseSecondsMin, origMin);
+    });
+  }); // topicLeaseDefaults
+
+  describe('attemptRetrySeconds', function () {
+    const retries = [0, 1, 2];
+    const jitter = 0;
+    it('defaults without a number', function () {
+      const result = common.attemptRetrySeconds('not a number', retries, jitter);
+      assert.strictEqual(result, retries[0]);
+    });
+    it('brackets lower range', function () {
+      const result = common.attemptRetrySeconds(-10, retries, jitter);
+      assert.strictEqual(result, retries[0]);
+    });
+    it('brackets upper range', function () {
+      const result = common.attemptRetrySeconds(10, retries, jitter);
+      assert.strictEqual(result, retries[retries.length - 1]);
+    });
+    it('covers middle', function () {
+      const result = common.attemptRetrySeconds(1, retries, jitter);
+      assert.strictEqual(result, retries[1]);
+    });
+    it('covers default', function () {
+      const result = common.attemptRetrySeconds(0);
+      assert(result >= 60);
+      assert(result <= 60 * 1.618)
+    });
+  }); // attemptRetrySeconds
+
+  describe('arrayChunk', function () {
+    it('covers default', function () {
+      const result = common.arrayChunk([1, 2, 3]);
+      assert.deepStrictEqual(result, [[1], [2], [3]]);
+    });
+    it('covers remainders', function () {
+      const result = common.arrayChunk([1, 2, 3], 2);
+      assert.deepStrictEqual(result, [[1, 2], [3]]);
+    });
+  }); // arrayChunk
+
+  describe('stackSafePush', function () {
+    it('pushes', function () {
+      const bigArray = new Array(2**18);
+      const dst = [];
+
+      common.stackSafePush(dst, bigArray);
+
+      assert.strictEqual(dst.length, bigArray.length);
+    });
+  }); // stackSafePush
+
+  describe('logTruncate', function () {
+    it('returns short string', function () {
+      const str = 'this is a short string';
+      const result = common.logTruncate(str, 100);
+      assert.strictEqual(result, str);
+    });
+    it('truncates long string', function () {
+      const str = 'this is not really a very long string but it is long enough for this test';
+      const result = common.logTruncate(str, 10);
+      assert(result.length < str.length);
+    });
+  }); // logTruncate
+
+  describe('validHash', function () {
+    it('should succeed', function () {
+      const result = common.validHash('sha256');
+      assert.strictEqual(result, true);
+    });
+    it('should fail', function () {
+      const result = common.validHash('md5');
+      assert.strictEqual(result, false);
+    });
+  }); // validHash
+
+}); // Common