Go Module: fibonacci

Program to generate an array containing the Fibonacci sequence, and to demonstrate test patterns in Go.

Decision Records

This repository uses architecture decision records to record design decisions about important elements of the solution.

The ADR index is available here.

Requirements

Tested on Go version 1.21.

External Modules:

"flag"
"fmt"
"github.com/stretchr/testify/assert"
"runtime"
"testing"

Compilation

user@host:~/Projects/go-fibonacci/fibonacci$ go mod init fibonacci
go: creating new go.mod: module fibonacci
go: to add module requirements and sums:
        go mod tidy
user@host:~/Projects/go-fibonacci/fibonacci$ go mod tidy
go: finding module for package github.com/stretchr/testify/assert
go: found github.com/stretchr/testify/assert in github.com/stretchr/testify v1.8.4
user@host:~/Projects/go-fibonacci/fibonacci$ mkdir ../bin
user@host:~/Projects/go-fibonacci/fibonacci$ go build -o ../bin .

Execution

user@host:~:~/Projects/go-fibonacci/fibonacci$ go run fibonacci -iter 13
[0 1 1 2 3 5 8 13 21 34 55 89 144]
user@host:~:~/Projects/go-fibonacci/fibonacci$ cd ../bin
user@host:~:~/Projects/go-fibonacci/bin$ ./fibonacci -iter 9
[0 1 1 2 3 5 8 13 21]

Run Tests

user@host:~/Projects/go-fibonacci/fibonacci$ go test fibonacci -v -iter 12
=== RUN   TestVersion
    fibonacci_test.go:17: Go runtime version check PASSED, expected version >= 'go1.21', got 'go1.21.1'
--- PASS: TestVersion (0.00s)
=== RUN   TestSeq
    fibonacci_test.go:35: Seq(12) PASSED, expected length 12, got 12
    fibonacci_test.go:42: Seq(12) PASSED, expected sequence [0 1 1 2 3 5 8 13 21 34 55 89], got [0 1 1 2 3 5 8 13 21 34 55 89]
--- PASS: TestSeq (0.00s)
PASS
ok      fibonacci       0.002s

Make Targets

user@host:~/Projects/go-fibonacci$ make help
make <target>

Targets:

    help    Show this help

    build   Build the fibonacci package
    clean   Clean up build files
    init    Initialize fibonacci module
    test    Run the fibonacci package tests