release_test.go

package mikku

import (
	"testing"

	"github.com/google/go-github/v32/github"
)

func Test_generateReleaseBody(t *testing.T) {
	t.Parallel()

	tests := []struct {
		name    string
		prs     []*github.PullRequest
		want    string
		wantErr bool
	}{
		{
			name: "No Pull Requests",
			prs:  []*github.PullRequest{},
			want: `
## Changelog

`,
			wantErr: false,
		},
		{
			name: "Nil Pull Requests",
			prs:  nil,
			want: `
## Changelog

`,
			wantErr: false,
		},
		{
			name: "One Pull Request",
			prs: []*github.PullRequest{
				{
					Number:  github.Int(1),
					Title:   github.String("Pull Request Title"),
					HTMLURL: github.String("https://github.com/test-owner/test-repo/pull/1"),
					User: &github.User{
						Login:   github.String("test-owner"),
						HTMLURL: github.String("https://github.com/test-owner"),
					},
				},
			},
			want: `
## Changelog

- Pull Request Title (#1) by @test-owner
`,
			wantErr: false,
		},
		{
			name: "Two Pull Requests",
			prs: []*github.PullRequest{
				{
					Number:  github.Int(2),
					Title:   github.String("Second Pull Request Title"),
					HTMLURL: github.String("https://github.com/test-owner/test-repo/pull/2"),
					User: &github.User{
						Login:   github.String("test-owner"),
						HTMLURL: github.String("https://github.com/test-owner"),
					},
				},
				{
					Number:  github.Int(1),
					Title:   github.String("First Pull Request Title"),
					HTMLURL: github.String("https://github.com/test-owner/test-repo/pull/1"),
					User: &github.User{
						Login:   github.String("test-owner"),
						HTMLURL: github.String("https://github.com/test-owner"),
					},
				},
			},
			want: `
## Changelog

- Second Pull Request Title (#2) by @test-owner
- First Pull Request Title (#1) by @test-owner
`,
			wantErr: false,
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			got, err := generateReleaseBody(tt.prs)
			if (err != nil) != tt.wantErr {
				t.Errorf("generateReleaseBody() error = %v, wantErr %v", err, tt.wantErr)
				return
			}

			if got != tt.want {
				t.Errorf("generateReleaseBody() = %v, want %v", got, tt.want)
			}
		})
	}
}