feat: analyze commits for conventional commit messages

commits_test.go

@@ -0,0 +1,133 @@
+package rp
+
+import (
+	"testing"
+
+	"github.com/leodido/go-conventionalcommits"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestAnalyzeCommits(t *testing.T) {
+	type args struct {
+		commits []Commit
+	}
+	tests := []struct {
+		name            string
+		commits         []Commit
+		expectedCommits []AnalyzedCommit
+		expectedBump    conventionalcommits.VersionBump
+		wantErr         assert.ErrorAssertionFunc
+	}{
+		{
+			name:            "empty commits",
+			commits:         []Commit{},
+			expectedCommits: []AnalyzedCommit{},
+			expectedBump:    conventionalcommits.UnknownVersion,
+			wantErr:         assert.NoError,
+		},
+		{
+			name: "malformed commit message",
+			commits: []Commit{
+				{
+					Message: "aksdjaklsdjka",
+				},
+			},
+			expectedCommits: nil,
+			expectedBump:    conventionalcommits.UnknownVersion,
+			wantErr:         assert.Error,
+		},
+		{
+			name: "drops unreleasable",
+			commits: []Commit{
+				{
+					Message: "chore: foobar",
+				},
+			},
+			expectedCommits: []AnalyzedCommit{},
+			expectedBump:    conventionalcommits.UnknownVersion,
+			wantErr:         assert.NoError,
+		},
+		{
+			name: "highest bump (patch)",
+			commits: []Commit{
+				{
+					Message: "chore: foobar",
+				},
+				{
+					Message: "fix: blabla",
+				},
+			},
+			expectedCommits: []AnalyzedCommit{
+				{
+					Commit:      Commit{Message: "fix: blabla"},
+					Type:        "fix",
+					Description: "blabla",
+				},
+			},
+			expectedBump: conventionalcommits.PatchVersion,
+			wantErr:      assert.NoError,
+		},
+		{
+			name: "highest bump (minor)",
+			commits: []Commit{
+				{
+					Message: "fix: blabla",
+				},
+				{
+					Message: "feat: foobar",
+				},
+			},
+			expectedCommits: []AnalyzedCommit{
+				{
+					Commit:      Commit{Message: "fix: blabla"},
+					Type:        "fix",
+					Description: "blabla",
+				},
+				{
+					Commit:      Commit{Message: "feat: foobar"},
+					Type:        "feat",
+					Description: "foobar",
+				},
+			},
+			expectedBump: conventionalcommits.MinorVersion,
+			wantErr:      assert.NoError,
+		},
+
+		{
+			name: "highest bump (major)",
+			commits: []Commit{
+				{
+					Message: "fix: blabla",
+				},
+				{
+					Message: "feat!: foobar",
+				},
+			},
+			expectedCommits: []AnalyzedCommit{
+				{
+					Commit:      Commit{Message: "fix: blabla"},
+					Type:        "fix",
+					Description: "blabla",
+				},
+				{
+					Commit:      Commit{Message: "feat!: foobar"},
+					Type:        "feat",
+					Description: "foobar",
+				},
+			},
+			expectedBump: conventionalcommits.MajorVersion,
+			wantErr:      assert.NoError,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			analyzedCommits, versionBump, err := AnalyzeCommits(tt.commits)
+			if !tt.wantErr(t, err) {
+				return
+			}
+
+			assert.Equal(t, tt.expectedCommits, analyzedCommits)
+			assert.Equal(t, tt.expectedBump, versionBump)
+		})
+	}
+}