[#674] Add support for introspective Variant in UI and CMD

So that users can input variant=introspective
- add introspective to variant enum
- make sure web app understand the introspective variant

src/variant/variant.go

@@ -31,6 +31,7 @@ func (v Variant) Name() string {
 }
 
 const (
-	Relaxed Variant = "relaxed"
-	BTCR    Variant = "btcr"
+	Relaxed       Variant = "relaxed"
+	BTCR          Variant = "btcr"
+	Introspective Variant = "introspective"
 )

src/variant/variant_test.go

@@ -35,6 +35,7 @@ func Test_get_variant_name(t *testing.T) {
 	}{
 		{"relaxed", Relaxed, "relaxed"},
 		{"btcr", BTCR, "btcr"},
+		{"introspective", Introspective, "introspective"},
 	}
 
 	for _, test := range tests {

webapp/src/app/interfaces/tcr-session-info.ts

@@ -51,4 +51,8 @@ export const tcrVariants: { [key: string]: TcrVariant } = {
     description: "The Relaxed",
     statechartImageFile: "variant-relaxed.png",
   },
+  "introspective": {
+    description: "The Introspective",
+    statechartImageFile: "variant-introspective.png",
+  },
 };

webapp/src/app/pipes/variant-description.pipe.spec.ts

@@ -35,6 +35,7 @@ describe('VariantDescriptionPipe', () => {
     {input: 'relaxed', expected: 'The Relaxed'},
     {input: 'btcr', expected: 'BTCR -- Build && Test && Commit || Revert'},
     {input: 'original', expected: 'The Original'},
+    {input: 'introspective', expected: 'The Introspective'},
     {input: null, expected: notSet},
     {input: undefined, expected: notSet},
     {input: '', expected: notSet}

webapp/src/app/pipes/variant-image-path.pipe.spec.ts

@@ -33,6 +33,7 @@ describe('VariantImagePathPipe', () => {
     {input: 'relaxed', expected: 'assets/images/variant-relaxed.png'},
     {input: 'btcr', expected: 'assets/images/variant-btcr.png'},
     {input: 'original', expected: 'assets/images/variant-original.png'},
+    {input: 'introspective', expected: 'assets/images/variant-introspective.png'},
     {input: null, expected: ''},
     {input: undefined, expected: ''},
     {input: '', expected: ''}