From dc396a300f684083e695d076e2f6458cf7c59dd0 Mon Sep 17 00:00:00 2001
From: Jeffrey Duroyon <jeffrey.duroyon@gmail.com>
Date: Fri, 20 Sep 2019 01:57:35 +0200
Subject: [PATCH] feat: add unit test

---
 hamster_tycoon/hamster.go      |  6 +--
 hamster_tycoon/hamster_test.go | 81 +++++++++++-----------------------
 randomizer/rand.go             | 14 ++++--
 3 files changed, 40 insertions(+), 61 deletions(-)

diff --git a/hamster_tycoon/hamster.go b/hamster_tycoon/hamster.go
index fdcde1b..8b33e50 100644
--- a/hamster_tycoon/hamster.go
+++ b/hamster_tycoon/hamster.go
@@ -17,7 +17,7 @@ const (
 const (
 	TotalGestationPeriod = 15
 	MinChild             = 5
-	MaxCild              = 9
+	MaxChild              = 9
 	GestationCooldown    = (3 * 7) + 2
 	GestationMinAge      = 10 * 6
 	MaxAge               = 365 * 2
@@ -114,7 +114,7 @@ func Born(father *Hamster, mother *Hamster) ([]*Hamster, error) {
 }
 
 func randNumberChild() int {
-	return randNumber(MinChild, MaxCild)
+	return randNumber(MinChild, MaxChild)
 }
 
 func randSexe() string {
@@ -128,5 +128,5 @@ func randSexe() string {
 }
 
 func randNumber(min int, max int) int {
-	return min + randomizer.Rand(max-min)
+	return min + randomizer.Rand(max)
 }
diff --git a/hamster_tycoon/hamster_test.go b/hamster_tycoon/hamster_test.go
index 3069aca..ce651d5 100644
--- a/hamster_tycoon/hamster_test.go
+++ b/hamster_tycoon/hamster_test.go
@@ -7,7 +7,7 @@ import (
 	"testing"
 )
 
-func TestDie(t *testing.T) {
+func TestHamster_Die(t *testing.T) {
 	testCases := []struct {
 		caseName      string
 		hamster       *Hamster
@@ -39,7 +39,7 @@ func TestDie(t *testing.T) {
 	}
 }
 
-func TestFuck(t *testing.T) {
+func TestHamster_Fuck(t *testing.T) {
 	testCases := []struct {
 		caseName       string
 		hamster1       *Hamster
@@ -180,43 +180,6 @@ func TestFuck(t *testing.T) {
 	}
 }
 
-func TestHamster_Die(t *testing.T) {
-	tests := []struct {
-		name string
-		h    *Hamster
-	}{
-		// TODO: Add test cases.
-	}
-	for _, tt := range tests {
-		tt.h.Die()
-	}
-}
-
-func TestHamster_Fuck(t *testing.T) {
-	type args struct {
-		another *Hamster
-	}
-	tests := []struct {
-		name    string
-		h       *Hamster
-		args    args
-		want    bool
-		wantErr bool
-	}{
-		// TODO: Add test cases.
-	}
-	for _, tt := range tests {
-		got, err := tt.h.Fuck(tt.args.another)
-		if (err != nil) != tt.wantErr {
-			t.Errorf("%q. Hamster.Fuck() error = %v, wantErr %v", tt.name, err, tt.wantErr)
-			continue
-		}
-		if got != tt.want {
-			t.Errorf("%q. Hamster.Fuck() = %v, want %v", tt.name, got, tt.want)
-		}
-	}
-}
-
 func TestBorn(t *testing.T) {
 	type args struct {
 		father *Hamster
@@ -242,28 +205,26 @@ func TestBorn(t *testing.T) {
 	}
 }
 
-func Test_randNumberChild(t *testing.T) {
-	tests := []struct {
-		name string
-		want int
-	}{
-		// TODO: Add test cases.
-	}
-	for _, tt := range tests {
-		if got := randNumberChild(); got != tt.want {
-			t.Errorf("%q. randNumberChild() = %v, want %v", tt.name, got, tt.want)
-		}
-	}
-}
-
 func Test_randSexe(t *testing.T) {
 	tests := []struct {
 		name string
 		want string
+		fakeGen int
 	}{
-		// TODO: Add test cases.
+		{
+			name: "Should be a male",
+			fakeGen: 1,
+			want: MALE,
+		},
+		{
+			name: "Should be a female",
+			fakeGen: 0,
+			want: FEMALE,
+		},
+
 	}
 	for _, tt := range tests {
+		randomizer.FakeRandomizer(tt.fakeGen)
 		if got := randSexe(); got != tt.want {
 			t.Errorf("%q. randSexe() = %v, want %v", tt.name, got, tt.want)
 		}
@@ -278,11 +239,21 @@ func Test_randNumber(t *testing.T) {
 	tests := []struct {
 		name string
 		args args
+		fakeGen int
 		want int
 	}{
-		// TODO: Add test cases.
+		{
+			name: "Should add min to result",
+			args: args{
+				min: 1,
+				max: 2,
+			},
+			fakeGen: 0,
+			want: 1,
+		},
 	}
 	for _, tt := range tests {
+		randomizer.FakeRandomizer(tt.fakeGen)
 		if got := randNumber(tt.args.min, tt.args.max); got != tt.want {
 			t.Errorf("%q. randNumber() = %v, want %v", tt.name, got, tt.want)
 		}
diff --git a/randomizer/rand.go b/randomizer/rand.go
index 31d4f09..b6158f6 100644
--- a/randomizer/rand.go
+++ b/randomizer/rand.go
@@ -1,6 +1,9 @@
 package randomizer
 
-import "math/rand"
+import (
+	"fmt"
+	"math/rand"
+)
 
 type Random interface {
 	Int() int
@@ -25,8 +28,13 @@ func Rand(rand int) int {
 	return randGen(rand)
 }
 func realRand(n int) int { return int(rand.Intn(n)) }
-func fakeRand(n int) func(_ int) int {
-	return func(_ int)int { return n}
+func fakeRand(n int) func(numb int) int {
+	return func(numb int)int {
+		if n >= numb {
+			panic(fmt.Sprintf("%d Should not be superior of %d",n,numb))
+		}
+		return n
+}
 }
 var randGen = NewRandomizer(realRand).Int