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Add unit tests for main.go

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This commit is contained in:
Grzegorz Dlugoszewski
2025-08-24 14:38:40 +02:00
parent 09da7ea05b
commit d608fe848f
1 changed files with 255 additions and 0 deletions
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255
cmd/main_test.go Normal file
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package main
import (
"os"
"reflect"
"testing"
)
func TestDetermineCommand(t *testing.T) {
tests := []struct {
name string
programName string
args []string
wantCmd string
wantArgs []string
}{
{
name: "git-get with no args",
programName: "git-get",
args: []string{"git-get"},
wantCmd: "get",
wantArgs: []string{},
},
{
name: "git-get with repo arg",
programName: "git-get",
args: []string{"git-get", "user/repo"},
wantCmd: "get",
wantArgs: []string{"user/repo"},
},
{
name: "git-get with get subcommand",
programName: "git-get",
args: []string{"git-get", "get", "user/repo"},
wantCmd: "get",
wantArgs: []string{"user/repo"},
},
{
name: "git-get with list subcommand",
programName: "git-get",
args: []string{"git-get", "list"},
wantCmd: "list",
wantArgs: []string{},
},
{
name: "git-list with no args",
programName: "git-list",
args: []string{"git-list"},
wantCmd: "list",
wantArgs: []string{},
},
{
name: "git-list with args",
programName: "git-list",
args: []string{"git-list", "--fetch"},
wantCmd: "list",
wantArgs: []string{"--fetch"},
},
{
name: "git-get.exe on Windows",
programName: "git-get.exe",
args: []string{"git-get.exe", "user/repo"},
wantCmd: "get",
wantArgs: []string{"user/repo"},
},
{
name: "unknown program name with args",
programName: "some-other-name",
args: []string{"some-other-name", "get", "user/repo"},
wantCmd: "get",
wantArgs: []string{"user/repo"},
},
{
name: "unknown program name with no args",
programName: "some-other-name",
args: []string{"some-other-name"},
wantCmd: "get",
wantArgs: []string{},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
// Save original os.Args
oldArgs := os.Args
defer func() { os.Args = oldArgs }()
// Set test args
os.Args = tt.args
gotCmd, gotArgs := determineCommand()
if gotCmd != tt.wantCmd {
t.Errorf("determineCommand() command = %v, want %v", gotCmd, tt.wantCmd)
}
if !reflect.DeepEqual(gotArgs, tt.wantArgs) {
t.Errorf("determineCommand() args = %v, want %v", gotArgs, tt.wantArgs)
}
})
}
}
func TestHandleGitGetInvocation(t *testing.T) {
tests := []struct {
name string
args []string
wantCmd string
wantArgs []string
}{
{
name: "no args",
args: []string{"git-get"},
wantCmd: "get",
wantArgs: []string{},
},
{
name: "with repo arg",
args: []string{"git-get", "user/repo"},
wantCmd: "get",
wantArgs: []string{"user/repo"},
},
{
name: "with get subcommand",
args: []string{"git-get", "get", "user/repo"},
wantCmd: "get",
wantArgs: []string{"user/repo"},
},
{
name: "with list subcommand",
args: []string{"git-get", "list", "--fetch"},
wantCmd: "list",
wantArgs: []string{"--fetch"},
},
{
name: "with invalid subcommand",
args: []string{"git-get", "invalid", "user/repo"},
wantCmd: "get",
wantArgs: []string{"invalid", "user/repo"},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
// Save original os.Args
oldArgs := os.Args
defer func() { os.Args = oldArgs }()
// Set test args
os.Args = tt.args
gotCmd, gotArgs := handleGitGetInvocation()
if gotCmd != tt.wantCmd {
t.Errorf("handleGitGetInvocation() command = %v, want %v", gotCmd, tt.wantCmd)
}
if !reflect.DeepEqual(gotArgs, tt.wantArgs) {
t.Errorf("handleGitGetInvocation() args = %v, want %v", gotArgs, tt.wantArgs)
}
})
}
}
func TestHandleGitListInvocation(t *testing.T) {
tests := []struct {
name string
args []string
wantCmd string
wantArgs []string
}{
{
name: "no args",
args: []string{"git-list"},
wantCmd: "list",
wantArgs: []string{},
},
{
name: "with flags",
args: []string{"git-list", "--fetch", "--out", "flat"},
wantCmd: "list",
wantArgs: []string{"--fetch", "--out", "flat"},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
// Save original os.Args
oldArgs := os.Args
defer func() { os.Args = oldArgs }()
// Set test args
os.Args = tt.args
gotCmd, gotArgs := handleGitListInvocation()
if gotCmd != tt.wantCmd {
t.Errorf("handleGitListInvocation() command = %v, want %v", gotCmd, tt.wantCmd)
}
if !reflect.DeepEqual(gotArgs, tt.wantArgs) {
t.Errorf("handleGitListInvocation() args = %v, want %v", gotArgs, tt.wantArgs)
}
})
}
}
func TestHandleDefaultInvocation(t *testing.T) {
tests := []struct {
name string
args []string
wantCmd string
wantArgs []string
}{
{
name: "no args",
args: []string{"some-program"},
wantCmd: "get",
wantArgs: []string{},
},
{
name: "with command arg",
args: []string{"some-program", "list"},
wantCmd: "list",
wantArgs: []string{},
},
{
name: "with command and args",
args: []string{"some-program", "get", "user/repo", "--branch", "main"},
wantCmd: "get",
wantArgs: []string{"user/repo", "--branch", "main"},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
// Save original os.Args
oldArgs := os.Args
defer func() { os.Args = oldArgs }()
// Set test args
os.Args = tt.args
gotCmd, gotArgs := handleDefaultInvocation()
if gotCmd != tt.wantCmd {
t.Errorf("handleDefaultInvocation() command = %v, want %v", gotCmd, tt.wantCmd)
}
if !reflect.DeepEqual(gotArgs, tt.wantArgs) {
t.Errorf("handleDefaultInvocation() args = %v, want %v", gotArgs, tt.wantArgs)
}
})
}
}