feat(gitlab-sim): 🚀 branches support

internal/cicontext/eval_test.go

@@ -0,0 +1,85 @@
+package cicontext
+
+import "testing"
+
+func TestEvalIf(t *testing.T) {
+	vars := func(key string) string {
+		m := map[string]string{
+			"CI_COMMIT_BRANCH": "develop",
+			"CI_COMMIT_TAG":    "",
+			"CI_PIPELINE_SOURCE": "push",
+			"DEPLOY_ENV":       "staging",
+		}
+		return m[key]
+	}
+
+	tests := []struct {
+		name string
+		expr string
+		want bool
+	}{
+		// ── Equality ──────────────────────────────────────────────────────────
+		{"eq match", `$CI_COMMIT_BRANCH == "develop"`, true},
+		{"eq no match", `$CI_COMMIT_BRANCH == "main"`, false},
+		{"eq single-quote", `$CI_COMMIT_BRANCH == 'develop'`, true},
+		{"neq match", `$CI_COMMIT_BRANCH != "main"`, true},
+		{"neq no match", `$CI_COMMIT_BRANCH != "develop"`, false},
+
+		// ── Null checks ───────────────────────────────────────────────────────
+		{"tag undefined eq null", `$CI_COMMIT_TAG == null`, true},
+		{"tag undefined neq null", `$CI_COMMIT_TAG != null`, false},
+		{"branch defined neq null", `$CI_COMMIT_BRANCH != null`, true},
+		{"branch defined eq null", `$CI_COMMIT_BRANCH == null`, false},
+		{"null eq null", `null == null`, true},
+
+		// ── Variable truthiness (no operator) ────────────────────────────────
+		{"truthy branch", `$CI_COMMIT_BRANCH`, true},
+		{"falsy tag", `$CI_COMMIT_TAG`, false},
+
+		// ── Logical NOT ───────────────────────────────────────────────────────
+		{"not false", `!$CI_COMMIT_TAG`, true},
+		{"not true", `!$CI_COMMIT_BRANCH`, false},
+		{"double not", `!!$CI_COMMIT_BRANCH`, true},
+
+		// ── Boolean AND ───────────────────────────────────────────────────────
+		{"and both true", `$CI_COMMIT_BRANCH == "develop" && $CI_PIPELINE_SOURCE == "push"`, true},
+		{"and left false", `$CI_COMMIT_BRANCH == "main" && $CI_PIPELINE_SOURCE == "push"`, false},
+		{"and right false", `$CI_COMMIT_BRANCH == "develop" && $CI_PIPELINE_SOURCE == "schedule"`, false},
+		{"and both false", `$CI_COMMIT_BRANCH == "main" && $CI_PIPELINE_SOURCE == "schedule"`, false},
+
+		// ── Boolean OR ────────────────────────────────────────────────────────
+		{"or both true", `$CI_COMMIT_BRANCH == "develop" || $CI_COMMIT_BRANCH == "main"`, true},
+		{"or left true", `$CI_COMMIT_BRANCH == "develop" || $CI_COMMIT_BRANCH == "nope"`, true},
+		{"or right true", `$CI_COMMIT_BRANCH == "nope" || $CI_COMMIT_BRANCH == "develop"`, true},
+		{"or both false", `$CI_COMMIT_BRANCH == "main" || $CI_COMMIT_BRANCH == "nope"`, false},
+
+		// ── Parentheses ───────────────────────────────────────────────────────
+		{"paren or+and", `($CI_COMMIT_BRANCH == "develop" || $CI_COMMIT_BRANCH == "main") && $CI_COMMIT_TAG == null`, true},
+		{"paren or+and false", `($CI_COMMIT_BRANCH == "main" || $CI_COMMIT_BRANCH == "nope") && $CI_COMMIT_TAG == null`, false},
+
+		// ── Regex match ───────────────────────────────────────────────────────
+		{"regex match", `$CI_COMMIT_BRANCH =~ /^dev/`, true},
+		{"regex no match", `$CI_COMMIT_BRANCH =~ /^main/`, false},
+		{"regex not match", `$CI_COMMIT_BRANCH !~ /^main/`, true},
+		{"regex not no match", `$CI_COMMIT_BRANCH !~ /^dev/`, false},
+		{"regex case sensitive", `$CI_COMMIT_BRANCH =~ /^DEV/`, false},
+		{"regex feat branch", `$CI_COMMIT_BRANCH =~ /^feat\//`, false},
+
+		// ── Extra whitespace ──────────────────────────────────────────────────
+		{"extra spaces", `  $CI_COMMIT_BRANCH  ==  "develop"  `, true},
+		{"tabs", "$CI_COMMIT_BRANCH\t==\t\"develop\"", true},
+
+		// ── Permissive fallback ───────────────────────────────────────────────
+		{"unparseable returns true", `this is not valid syntax %%%`, true},
+		{"empty expr returns true", ``, true},
+	}
+
+	for _, tc := range tests {
+		t.Run(tc.name, func(t *testing.T) {
+			got := EvalIf(tc.expr, vars)
+			if got != tc.want {
+				t.Errorf("EvalIf(%q) = %v, want %v", tc.expr, got, tc.want)
+			}
+		})
+	}
+}