snapshot of https://github.com/sqlc-dev/sqlc.git (main, 2026-09-16; blobs > 131072B omitted)

internal/opts/experiment_test.go

@@ -0,0 +1,155 @@
+package opts
+
+import "testing"
+
+func TestExperimentFromString(t *testing.T) {
+	tests := []struct {
+		name  string
+		input string
+		want  Experiment
+	}{
+		{
+			name:  "empty string",
+			input: "",
+			want:  Experiment{},
+		},
+		{
+			name:  "whitespace only",
+			input: "   ",
+			want:  Experiment{},
+		},
+		{
+			name:  "unknown experiment",
+			input: "unknownexperiment",
+			want:  Experiment{},
+		},
+		{
+			name:  "multiple unknown experiments",
+			input: "foo,bar,baz",
+			want:  Experiment{},
+		},
+		{
+			name:  "unknown with no prefix",
+			input: "nounknown",
+			want:  Experiment{},
+		},
+		{
+			name:  "whitespace around experiments",
+			input: " foo , bar , baz ",
+			want:  Experiment{},
+		},
+		{
+			name:  "empty items in list",
+			input: "foo,,bar",
+			want:  Experiment{},
+		},
+		{
+			name:  "enable coreanalyzer",
+			input: "coreanalyzer",
+			want:  Experiment{CoreAnalyzer: true},
+		},
+		{
+			name:  "disable coreanalyzer",
+			input: "nocoreanalyzer",
+			want:  Experiment{CoreAnalyzer: false},
+		},
+		{
+			name:  "enable then disable coreanalyzer",
+			input: "coreanalyzer,nocoreanalyzer",
+			want:  Experiment{CoreAnalyzer: false},
+		},
+		{
+			name:  "coreanalyzer case insensitive",
+			input: "CoreAnalyzer",
+			want:  Experiment{CoreAnalyzer: true},
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got := ExperimentFromString(tt.input)
+			if got != tt.want {
+				t.Errorf("ExperimentFromString(%q) = %+v, want %+v", tt.input, got, tt.want)
+			}
+		})
+	}
+}
+
+func TestExperimentEnabled(t *testing.T) {
+	tests := []struct {
+		name string
+		exp  Experiment
+		want []string
+	}{
+		{
+			name: "no experiments enabled",
+			exp:  Experiment{},
+			want: nil,
+		},
+		{
+			name: "coreanalyzer enabled",
+			exp:  Experiment{CoreAnalyzer: true},
+			want: []string{"coreanalyzer"},
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got := tt.exp.Enabled()
+			if len(got) != len(tt.want) {
+				t.Errorf("Experiment.Enabled() = %v, want %v", got, tt.want)
+				return
+			}
+			for i := range got {
+				if got[i] != tt.want[i] {
+					t.Errorf("Experiment.Enabled()[%d] = %q, want %q", i, got[i], tt.want[i])
+				}
+			}
+		})
+	}
+}
+
+func TestExperimentString(t *testing.T) {
+	exp := Experiment{}
+	if got := exp.String(); got != "" {
+		t.Errorf("Experiment.String() = %q, want %q", got, "")
+	}
+}
+
+func TestIsKnownExperiment(t *testing.T) {
+	tests := []struct {
+		name  string
+		input string
+		want  bool
+	}{
+		{
+			name:  "unknown experiment",
+			input: "unknown",
+			want:  false,
+		},
+		{
+			name:  "empty string",
+			input: "",
+			want:  false,
+		},
+		{
+			name:  "coreanalyzer lowercase",
+			input: "coreanalyzer",
+			want:  true,
+		},
+		{
+			name:  "coreanalyzer mixed case",
+			input: "CoreAnalyzer",
+			want:  true,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got := isKnownExperiment(tt.input)
+			if got != tt.want {
+				t.Errorf("isKnownExperiment(%q) = %v, want %v", tt.input, got, tt.want)
+			}
+		})
+	}
+}