public void WhenDeveloperInactive_ShouldReturnZeroCommitsPerDay()
            {
                // arrange
                var author = new Author {
                    Name = "boo", Emails = new List <string> {
                        "*****@*****.**"
                    }
                };
                var repoPath = TestRepoPath("git-test-operations");

                var sut = new SourceControlAnalysisBuilder()
                          .WithPath(repoPath)
                          .WithRange(DateTime.Parse("2018-06-25"), DateTime.Parse("2018-07-09"))
                          .Build();
                // act
                var actual = sut.Commits_Per_Day(author);
                // assert
                var expectedCommitsPerDay = 0.0;

                actual.Should().Be(expectedCommitsPerDay);
            }
            public void WhenDeveloperActive_ShouldReturnCommitsPerDay()
            {
                // arrange
                var repoPath = TestRepoPath("git-test-operations");
                var author   = new Author {
                    Name = "T-rav", Emails = new List <string> {
                        "*****@*****.**"
                    }
                };

                var sut = new SourceControlAnalysisBuilder()
                          .WithPath(repoPath)
                          .WithRange(DateTime.Parse("2018-09-10"), DateTime.Parse("2018-09-14"))
                          .WithWorkingDaysPerWeek(4)
                          .WithWorkingWeekHours(32)
                          .Build();
                // act
                var actual = sut.Commits_Per_Day(author);
                // assert
                var expectedCommitsPerDay = 1.67;

                actual.Should().Be(expectedCommitsPerDay);
            }